EduSahara™ Assignment
Name : Unitary Method Problems
Chapter : Unitary Method
Grade : ICSE Grade VIII
License : Non Commercial Use
Question 1
1.
If 14 pencils cost ₹98, how much will 36 pencils cost?
  • (i)
    ₹267
  • (ii)
    ₹240
  • (iii)
    ₹235
  • (iv)
    ₹266
  • (v)
    ₹252
Question 2
2.
If 5 sweet packets cost ₹30, how many sweet packets can be purchased with ₹156?
  • (i)
    27
  • (ii)
    23
  • (iii)
    25
  • (iv)
    28
  • (v)
    26
Question 3
3.
If 5 l of fruit drink costs ₹90, how much will 38 l cost?
  • (i)
    ₹702
  • (ii)
    ₹672
  • (iii)
    ₹684
  • (iv)
    ₹659
  • (v)
    ₹707
Question 4
4.
If 7 l of water costs ₹91, how much of water costs ₹481?
  • (i)
    32 l
  • (ii)
    42 l
  • (iii)
    34 l
  • (iv)
    40 l
  • (v)
    37 l
Question 5
5.
If 13 men can make 91 belts in a day, how many belts are made by 15 men in a day?
  • (i)
    104
  • (ii)
    106
  • (iii)
    105
  • (iv)
    102
  • (v)
    107
Question 6
6.
If 18 men can make 36 toys in a day, how many men are needed to make 46 toys in a day?
  • (i)
    25
  • (ii)
    21
  • (iii)
    23
  • (iv)
    22
  • (v)
    24
Question 7
7.
If Abhishek can read 192 pages in 16 hr, how many pages can he read in 10 hr?
  • (i)
    119
  • (ii)
    122
  • (iii)
    120
  • (iv)
    121
  • (v)
    117
Question 8
8.
If Ravi can read 306 pages in 17 hr, he can read 234 pages in how many hours?
  • (i)
    10 hr
  • (ii)
    8 hr
  • (iii)
    16 hr
  • (iv)
    18 hr
  • (v)
    13 hr
Question 9
9.
If Kumar can read 180 pages in a 360 pages book in 6 hr, how much more time will it take to complete the book?
  • (i)
    7 hr
  • (ii)
    4 hr
  • (iii)
    8 hr
  • (iv)
    6 hr
  • (v)
    5 hr
Question 10
10.
If Mahender can make 169 pizzas in 13 min, in how much time can he complete an order of 377 pizzas ?
  • (i)
    32 min
  • (ii)
    29 min
  • (iii)
    24 min
  • (iv)
    34 min
  • (v)
    26 min
Question 11
11.
If 90 men can do a piece of work in 180 days, how many men can do the same work in 150 days?
  • (i)
    110
  • (ii)
    105
  • (iii)
    109
  • (iv)
    108
  • (v)
    107
Question 12
12.
If 78 men can do a piece of work in 135 days, 54 men can do the same work in how many days?
  • (i)
    182 days
  • (ii)
    209 days
  • (iii)
    171 days
  • (iv)
    195 days
  • (v)
    200 days
Question 13
13.
    • If
    • 17
    • men can build
    • 1

      5
    • of a wall in
    • 43 days
    • ,
    • in how much more time is the wall completely built ?
  • (i)
    157 days
  • (ii)
    179 days
  • (iii)
    196 days
  • (iv)
    145 days
  • (v)
    172 days
Question 14
14.
A vehicle can cover certain distance in 63 min, running at a speed of 180 kmph. At what speed must the vehicle run to cover the same distance in 105 min?
  • (i)
    85 kmph
  • (ii)
    133 kmph
  • (iii)
    108 kmph
  • (iv)
    124 kmph
  • (v)
    91 kmph
Question 15
15.
A vehicle can cover certain distance in 108 min, running at a speed of 143 kmph. In how many minutes, the vehicle covers the same distance running at a speed of 99 kmph?
  • (i)
    156 min
  • (ii)
    169 min
  • (iii)
    131 min
  • (iv)
    152 min
  • (v)
    168 min
Question 16
16.
A person has to travel from one town to another town which is at a distance of 442 km. He covers 286 km in 11 hr. In how much more time will he reach his destination?
  • (i)
    6 hr
  • (ii)
    7 hr
  • (iii)
    5 hr
  • (iv)
    8 hr
  • (v)
    4 hr
Question 17
17.
The cost of 10 kg of carrots is ₹300. How many kgs of carrots can be purchased with ₹540 ?
  • (i)
    13 kg
  • (ii)
    21 kg
  • (iii)
    18 kg
  • (iv)
    15 kg
  • (v)
    23 kg
Question 18
18.
The cost of 10 kg of chillies is ₹260. How much has to be paid to purchase 12 kg of chillies ?
  • (i)
    ₹288
  • (ii)
    ₹324
  • (iii)
    ₹299
  • (iv)
    ₹312
  • (v)
    ₹316
Question 19
19.
The weight of 10 rounds of copper wire is 230 kg. How many rounds of copper wire is present in 391 kg?
  • (i)
    20
  • (ii)
    18
  • (iii)
    16
  • (iv)
    17
  • (v)
    14
Question 20
20.
143 men can dig a canal in 98 days  working for 8 hr per day. How many men are required to complete the work in 104 days  working for 14 hr per day?
  • (i)
    80
  • (ii)
    75
  • (iii)
    77
  • (iv)
    78
  • (v)
    76
Question 21
21.
18 men can dig a trench in 20 days. But after working for 7 days, 10 men left. How many more days are required to complete the work?
  • (i)
    29
    3

    4
    days
  • (ii)
    28
    3

    4
    days
  • (iii)
    29
    1

    4
    days
  • (iv)
    29
    1

    6
    days
  • (v)
    29
    1

    2
    days
Question 22
22.
In a hostel mess there are provisions enough for 19 students for 16 days. If 16 more students join the hostel, how long will the provisions last ?
  • (i)
    6.69 days
  • (ii)
    9.69 days
  • (iii)
    10.69 days
  • (iv)
    7.69 days
  • (v)
    8.69 days
Question 23
23.
In a hostel mess, there are provisions enough for 11 students for 13 days. After 10 days, 5 students left. How many more days will the provisions last ?
  • (i)
    3.50 days
  • (ii)
    4.50 days
  • (iii)
    5.50 days
  • (iv)
    6.50 days
  • (v)
    7.50 days
Question 24
24.
A bus ticket fare for 19 km costs ₹52. How much is the fare for 11 km?
  • (i)
    ₹33.11
  • (ii)
    ₹25.11
  • (iii)
    ₹35.11
  • (iv)
    ₹27.11
  • (v)
    ₹30.11
Question 25
25.
The cost of 10 pens is ₹170 and 15 pencils is ₹90. With an amount of ₹426, 20 pencils are purchased. How many pens can be purchased with the remaining amount ?
  • (i)
    18
  • (ii)
    17
  • (iii)
    19
  • (iv)
    20
  • (v)
    15
Question 26
26.
The cost of 12 pens is ₹216 and 16 pencils is ₹144. With an amount of ₹405, 17 pens are purchased. How many pencils can be purchased with the remaining amount ?
  • (i)
    10
  • (ii)
    9
  • (iii)
    12
  • (iv)
    13
  • (v)
    11
Question 27
27.
The sales tax for ₹100 of a bill is ₹11. How much sales tax has to be paid for a bill of ₹171 ?
  • (i)
    ₹13.81
  • (ii)
    ₹18.81
  • (iii)
    ₹15.81
  • (iv)
    ₹23.81
  • (v)
    ₹21.81
Question 28
28.
A group of pilgrims have to cover 22 km to reach a shrine. They walk 10 km in 20 hr. At what speed they have to walk to cover the remaining distance in 11 hr ?
  • (i)
    3.09 kmph
  • (ii)
    9.09 kmph
  • (iii)
    0.09 kmph
  • (iv)
    2.09 kmph
  • (v)
    1.09 kmph
Question 29
29.
To stitch a shirt, 170 cm of cloth is needed. How much cloth is needed to stitch 5 shirts ?
  • (i)
    856 cm
  • (ii)
    834 cm
  • (iii)
    833 cm
  • (iv)
    850 cm
  • (v)
    877 cm
Question 30
30.
16 m of cloth is required to stitch 5 dresses. How many meters of cloth is required to stitch 23 dresses?
  • (i)
    68.60 m
  • (ii)
    76.60 m
  • (iii)
    73.60 m
  • (iv)
    70.60 m
  • (v)
    78.60 m
Question 31
31.
The cost of 9 dozen bananas is ₹369. What is the cost of 23 dozens ?
  • (i)
    ₹928
  • (ii)
    ₹943
  • (iii)
    ₹925
  • (iv)
    ₹961
  • (v)
    ₹950
Question 32
32.
18 mangoes weigh 9 kg. If 9 mangoes are needed, how many kgs have to be purchased?
  • (i)
    6.50 kg
  • (ii)
    3.50 kg
  • (iii)
    4.50 kg
  • (iv)
    2.50 kg
  • (v)
    5.50 kg
Question 33
33.
36 men or 90 women can earn ₹3600 per day. How much is earned by 18 men and 19 women in a day?
  • (i)
    ₹2710
  • (ii)
    ₹2330
  • (iii)
    ₹2800
  • (iv)
    ₹2520
  • (v)
    ₹2560
Question 34
34.
The total wage of 12 labourers for 20 days is ₹120000. What will be the total wage of 7 labourers for 13 days ?
  • (i)
    ₹45500
  • (ii)
    ₹47200
  • (iii)
    ₹47000
  • (iv)
    ₹42700
  • (v)
    ₹44900
Question 35
35.
12 artisans can make 21 idols in 35 days. How many artisans are required to make 80 idols in 50 days ?
  • (i)
    33
  • (ii)
    31
  • (iii)
    30
  • (iv)
    34
  • (v)
    32
Question 36
36.
70 workers working for 6 hr per day can dig a pit in 32 days. How many days are needed for 28 workers working 8 hr per day to dig the same pit?
  • (i)
    57 days
  • (ii)
    63 days
  • (iii)
    55 days
  • (iv)
    65 days
  • (v)
    60 days
Question 37
37.
15 cows eat 2400 kg of grass in 8 days. How much of grass has to be procured to feed 5 cows for 13 days ?
  • (i)
    1300 kg
  • (ii)
    1170 kg
  • (iii)
    1420 kg
  • (iv)
    1280 kg
  • (v)
    1440 kg
Question 38
38.
Cost of 12 toys of TypeA is ₹72 and 15 toys of TypeB is ₹180. Out of a sum of ₹208, 14 toys of TypeA are purchased. If 20 toys of TypeB have to be purchased, how much extra amount is needed?
  • (i)
    ₹116
  • (ii)
    ₹130
  • (iii)
    ₹103
  • (iv)
    ₹102
  • (v)
    ₹121
Question 39
39.
9 men can make 216 baskets in 6 days. 7 women can make 189 baskets in 9 days. How many baskets are made by 5 men and 9 women in 6 days ?
  • (i)
    285
  • (ii)
    281
  • (iii)
    282
  • (iv)
    283
  • (v)
    279
Question 40
40.
To irrigate 17 acres of a field, 90000 l of water is needed. If 6 more acres are brought under cultivation, how many lts of water is needed?
  • (i)
    121764.71 l
  • (ii)
    127764.71 l
  • (iii)
    119764.71 l
  • (iv)
    106764.71 l
  • (v)
    138764.71 l
Question 41
41.
35 labourers can cultivate a field in 27 days working 6 hr per day. How many more labourers are needed to cultivate double the field in 30 days working 9 hr per day ?
  • (i)
    6
  • (ii)
    7
  • (iii)
    4
  • (iv)
    10
  • (v)
    8
Question 42
42.
11 workers working 14 hr per day are paid ₹123200 for 16 days. How much has to be paid to 13 workers working 9 hr per day for 11 days ?
  • (i)
    ₹64350
  • (ii)
    ₹66550
  • (iii)
    ₹61650
  • (iv)
    ₹64150
  • (v)
    ₹64950
Question 43
43.
The air ticket charges for 38 persons for a flight is ₹232218, inclusive of ₹111 as airport tax per person. How much has to be paid if 20 persons drop out of the trip ?
  • (i)
    ₹124998
  • (ii)
    ₹109998
  • (iii)
    ₹91998
  • (iv)
    ₹111998
  • (v)
    ₹93998
Question 44
44.
The specification on a printer says that it prints 2100 pages in 35 min. If 3600 pages have to be printed, how long will it take ?
  • (i)
    60 min
  • (ii)
    65 min
  • (iii)
    55 min
  • (iv)
    63 min
  • (v)
    57 min
Question 45
45.
11 gm of gold costs ₹23100. What is the cost of 31 gm ?
  • (i)
    ₹67700
  • (ii)
    ₹66900
  • (iii)
    ₹63300
  • (iv)
    ₹65100
  • (v)
    ₹63800
Question 46
46.
A banker gave foreign exchange of $17 for ₹578. How many dollars will the customer get for ₹816 ?
  • (i)
    $24
  • (ii)
    $19
  • (iii)
    $29
  • (iv)
    $27
  • (v)
    $21
Question 47
47.
13 workers take 19 days to build a room. After working for 6 days, 5 workers left. In how many more days is the room built ?
  • (i)
    26.12 days
  • (ii)
    16.12 days
  • (iii)
    18.12 days
  • (iv)
    21.12 days
  • (v)
    24.12 days
Question 48
48.
    • A can do
    • 1

      12
    • of a particular work in
    • 5 days
    • .
    • B can do
    • 1

      7
    • of the same work in
    • 8 days
    • .
    • C can do
    • 1

      14
    • of the same work in
    • 15 days
    • .
    • If A, B and C work together, in how many days is the work completed ?
  • (i)
    25
    7

    11
    days
  • (ii)
    25
    5

    11
    days
  • (iii)
    21
    7

    13
    days
  • (iv)
    31
    1

    9
    days
  • (v)
    25
    3

    11
    days
Question 49
49.
A journey consists of three legs. First 140 km are travelled at a speed of 140 kmph. Next 45 km are travelled at a speed of 30 kmph. Last 22 km are travelled at a speed of 20 kmph. Find the total time taken to complete the journey.
  • (i)
    3
    hr
  • (ii)
    4
    1

    2
    hr
  • (iii)
    3
    2

    5
    hr
  • (iv)
    3
    3

    5
    hr
  • (v)
    3
    4

    5
    hr
Question 50
50.
In an eating contest, the eating capacities of A, B and C are 11 gm/sec, 13 gm/sec and 15 gm/sec respectively. If the amount of food to be eaten is 16.38 kg, in how much time is it consumed if all three participants start eating together ?
  • (i)
    8
    min
  • (ii)
    6
    min
  • (iii)
    10
    min
  • (iv)
    7
    min
  • (v)
    4
    min
Question 51
51.
In a certain exam, for every correct answer, 10 marks are added. For every wrong answer 4 marks are subtracted. A student attempted 47 questions and secured 260 marks. How many answers are correct and how many are wrong?
  • (i)
    34 correct and 13 wrong
  • (ii)
    32 correct and 15 wrong
  • (iii)
    33 correct and 14 wrong
  • (iv)
    30 correct and 17 wrong
  • (v)
    31 correct and 16 wrong
Question 52
52.
    • A production line consists of three stages to be completed serially.
    • Stage1 work can be done by
    • 15
    • workers in
    • 12 days
    • .
    • Stage2 work can be done by
    • 11
    • workers in
    • 13 days
    • .
    • Stage3 work can be done by
    • 6
    • workers in
    • 8 days
    • .
    • If
    • 13
    • ,
    • 10
    • and
    • 9
    • workers are hired to do
    • Stage1, Stage2 and Stage3 works respectively,
    • in how many days is the work completed ?
  • (i)
    33
    63

    130
    days
  • (ii)
    33
    187

    392
    days
  • (iii)
    33
    187

    390
    days
  • (iv)
    33
    187

    388
    days
  • (v)
    33
    37

    78
    days
Question 53
53.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      40
      15
      40
      -
      50
      20
      50
      -
      90
      25
      90
      -
      remaining
      30
    • How much amount has to be paid if the consumption is
    • 23 kl
    • .
  • (i)
    ₹352
  • (ii)
    ₹371
  • (iii)
    ₹318
  • (iv)
    ₹345
  • (v)
    ₹331
Question 54
54.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      30
      14
      30
      -
      60
      19
      60
      -
      90
      24
      90
      -
      remaining
      29
    • How much amount has to be paid if the consumption is
    • 39 kl
    • .
  • (i)
    ₹591
  • (ii)
    ₹606
  • (iii)
    ₹593
  • (iv)
    ₹578
  • (v)
    ₹577
Question 55
55.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      20
      10
      20
      -
      40
      15
      40
      -
      60
      20
      60
      -
      remaining
      25
    • How much amount has to be paid if the consumption is
    • 56 kl
    • .
  • (i)
    ₹835
  • (ii)
    ₹818
  • (iii)
    ₹837
  • (iv)
    ₹820
  • (v)
    ₹796
Question 56
56.
    • The slab rates of a city's water department are as follows
    • Low Val (kl)
      -
      High Val (kl)
      Rate Rs/kl
      0
      -
      30
      12
      30
      -
      40
      17
      40
      -
      60
      22
      60
      -
      remaining
      27
    • How much amount has to be paid if the consumption is
    • 76 kl
    • .
  • (i)
    ₹1572
  • (ii)
    ₹1222
  • (iii)
    ₹1262
  • (iv)
    ₹1542
  • (v)
    ₹1402
    Assignment Key

  •  1) (v)
  •  2) (v)
  •  3) (iii)
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  •  5) (iii)
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  •  14) (iii)
  •  15) (i)
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  •  17) (iii)
  •  18) (iv)
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  •  22) (v)
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  •  26) (v)
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  •  28) (v)
  •  29) (iv)
  •  30) (iii)
  •  31) (ii)
  •  32) (iii)
  •  33) (v)
  •  34) (i)
  •  35) (v)
  •  36) (v)
  •  37) (i)
  •  38) (i)
  •  39) (iii)
  •  40) (i)
  •  41) (ii)
  •  42) (i)
  •  43) (ii)
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  •  45) (iv)
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  •  47) (iv)
  •  48) (ii)
  •  49) (iv)
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  •  51) (ii)
  •  52) (iii)
  •  53) (iv)
  •  54) (i)
  •  55) (iv)
  •  56) (v)