EduSahara™ Assignment
Name : Unitary Method Problems
Chapter : Unitary Method
Grade : ICSE Grade VIII
License : Non Commercial Use
Question 1
1.
If 12 sweet packets cost ₹108, how much will 34 sweet packets cost?
  • (i)
    ₹331
  • (ii)
    ₹289
  • (iii)
    ₹300
  • (iv)
    ₹324
  • (v)
    ₹306
Question 2
2.
If 9 brushes cost ₹54, how many brushes can be purchased with ₹234?
  • (i)
    42
  • (ii)
    39
  • (iii)
    38
  • (iv)
    40
  • (v)
    37
Question 3
3.
If 11 l of oil costs ₹143, how much will 37 l cost?
  • (i)
    ₹481
  • (ii)
    ₹496
  • (iii)
    ₹457
  • (iv)
    ₹494
  • (v)
    ₹478
Question 4
4.
If 11 l of groundnut oil costs ₹165, how much of groundnut oil costs ₹480?
  • (i)
    29 l
  • (ii)
    35 l
  • (iii)
    32 l
  • (iv)
    37 l
  • (v)
    27 l
Question 5
5.
If 10 men can make 70 baskets in a day, how many baskets are made by 17 men in a day?
  • (i)
    122
  • (ii)
    117
  • (iii)
    120
  • (iv)
    118
  • (v)
    119
Question 6
6.
If 14 men can make 56 candles in a day, how many men are needed to make 76 candles in a day?
  • (i)
    20
  • (ii)
    21
  • (iii)
    16
  • (iv)
    19
  • (v)
    18
Question 7
7.
If Sushant can read 169 pages in 13 hr, how many pages can he read in 20 hr?
  • (i)
    257
  • (ii)
    259
  • (iii)
    262
  • (iv)
    261
  • (v)
    260
Question 8
8.
If Abhishek can read 323 pages in 17 hr, he can read 380 pages in how many hours?
  • (i)
    23 hr
  • (ii)
    15 hr
  • (iii)
    20 hr
  • (iv)
    17 hr
  • (v)
    25 hr
Question 9
9.
If Ravi can read 92 pages in a 253 pages book in 4 hr, how much more time will it take to complete the book?
  • (i)
    6 hr
  • (ii)
    9 hr
  • (iii)
    8 hr
  • (iv)
    5 hr
  • (v)
    7 hr
Question 10
10.
If Sharan can make 133 sandwiches in 7 min, in how much time can he complete an order of 722 sandwiches ?
  • (i)
    38 min
  • (ii)
    41 min
  • (iii)
    33 min
  • (iv)
    35 min
  • (v)
    43 min
Question 11
11.
If 120 men can do a piece of work in 110 days, how many men can do the same work in 80 days?
  • (i)
    167
  • (ii)
    162
  • (iii)
    166
  • (iv)
    165
  • (v)
    164
Question 12
12.
If 135 men can do a piece of work in 70 days, 90 men can do the same work in how many days?
  • (i)
    105 days
  • (ii)
    128 days
  • (iii)
    93 days
  • (iv)
    121 days
  • (v)
    90 days
Question 13
13.
    • If
    • 14
    • men can build
    • 1

      10
    • of a wall in
    • 30 days
    • ,
    • in how much more time is the wall completely built ?
  • (i)
    270 days
  • (ii)
    258 days
  • (iii)
    263 days
  • (iv)
    284 days
  • (v)
    295 days
Question 14
14.
A vehicle can cover certain distance in 88 min, running at a speed of 195 kmph. At what speed must the vehicle run to cover the same distance in 165 min?
  • (i)
    104 kmph
  • (ii)
    109 kmph
  • (iii)
    90 kmph
  • (iv)
    126 kmph
Question 15
15.
A vehicle can cover certain distance in 70 min, running at a speed of 135 kmph. In how many minutes, the vehicle covers the same distance running at a speed of 150 kmph?
  • (i)
    60 min
  • (ii)
    58 min
  • (iii)
    66 min
  • (iv)
    68 min
  • (v)
    63 min
Question 16
16.
A person has to travel from one town to another town which is at a distance of 280 km. He covers 70 km in 5 hr. In how much more time will he reach his destination?
  • (i)
    10 hr
  • (ii)
    12 hr
  • (iii)
    18 hr
  • (iv)
    15 hr
  • (v)
    20 hr
Question 17
17.
The cost of 13 kg of onions is ₹325. How many kgs of onions can be purchased with ₹350 ?
  • (i)
    14 kg
  • (ii)
    19 kg
  • (iii)
    17 kg
  • (iv)
    9 kg
  • (v)
    11 kg
Question 18
18.
The cost of 14 kg of potatoes is ₹364. How much has to be paid to purchase 25 kg of potatoes ?
  • (i)
    ₹663
  • (ii)
    ₹648
  • (iii)
    ₹650
  • (iv)
    ₹635
  • (v)
    ₹672
Question 19
19.
The weight of 12 rounds of copper wire is 276 kg. How many rounds of copper wire is present in 506 kg?
  • (i)
    19
  • (ii)
    21
  • (iii)
    22
  • (iv)
    23
  • (v)
    25
Question 20
20.
72 men can dig a canal in 165 days  working for 14 hr per day. How many men are required to complete the work in 84 days  working for 15 hr per day?
  • (i)
    130
  • (ii)
    132
  • (iii)
    133
  • (iv)
    135
  • (v)
    131
Question 21
21.
12 men can dig a trench in 12 days. But after working for 7 days, 9 men left. How many more days are required to complete the work?
  • (i)
    18
    days
  • (ii)
    21
    days
  • (iii)
    20
    days
  • (iv)
    19
    days
  • (v)
    22
    days
Question 22
22.
In a hostel mess there are provisions enough for 17 students for 18 days. If 11 more students join the hostel, how long will the provisions last ?
  • (i)
    13.93 days
  • (ii)
    10.93 days
  • (iii)
    15.93 days
  • (iv)
    7.93 days
  • (v)
    5.93 days
Question 23
23.
In a hostel mess, there are provisions enough for 12 students for 20 days. After 7 days, 5 students left. How many more days will the provisions last ?
  • (i)
    22.29 days
  • (ii)
    25.29 days
  • (iii)
    27.29 days
  • (iv)
    17.29 days
  • (v)
    19.29 days
Question 24
24.
A bus ticket fare for 20 km costs ₹89. How much is the fare for 10 km?
  • (i)
    ₹49.50
  • (ii)
    ₹44.50
  • (iii)
    ₹39.50
  • (iv)
    ₹47.50
  • (v)
    ₹41.50
Question 25
25.
The cost of 17 pens is ₹238 and 15 pencils is ₹120. With an amount of ₹320, 19 pencils are purchased. How many pens can be purchased with the remaining amount ?
  • (i)
    11
  • (ii)
    10
  • (iii)
    14
  • (iv)
    12
  • (v)
    13
Question 26
26.
The cost of 11 pens is ₹143 and 12 pencils is ₹72. With an amount of ₹290, 14 pens are purchased. How many pencils can be purchased with the remaining amount ?
  • (i)
    19
  • (ii)
    17
  • (iii)
    15
  • (iv)
    20
  • (v)
    18
Question 27
27.
The sales tax for ₹100 of a bill is ₹12. How much sales tax has to be paid for a bill of ₹358 ?
  • (i)
    ₹45.96
  • (ii)
    ₹42.96
  • (iii)
    ₹39.96
  • (iv)
    ₹37.96
  • (v)
    ₹47.96
Question 28
28.
A group of pilgrims have to cover 21 km to reach a shrine. They walk 16 km in 14 hr. At what speed they have to walk to cover the remaining distance in 12 hr ?
  • (i)
    2.42 kmph
  • (ii)
    7.42 kmph
  • (iii)
    1.42 kmph
  • (iv)
    8.42 kmph
  • (v)
    0.42 kmph
Question 29
29.
To stitch a shirt, 110 cm of cloth is needed. How much cloth is needed to stitch 9 shirts ?
  • (i)
    978 cm
  • (ii)
    982 cm
  • (iii)
    1005 cm
  • (iv)
    990 cm
  • (v)
    993 cm
Question 30
30.
10 m of cloth is required to stitch 9 dresses. How many meters of cloth is required to stitch 17 dresses?
  • (i)
    13.89 m
  • (ii)
    21.89 m
  • (iii)
    23.89 m
  • (iv)
    18.89 m
  • (v)
    15.89 m
Question 31
31.
The cost of 6 dozen bananas is ₹228. What is the cost of 16 dozens ?
  • (i)
    ₹594
  • (ii)
    ₹593
  • (iii)
    ₹621
  • (iv)
    ₹610
  • (v)
    ₹608
Question 32
32.
14 mangoes weigh 10 kg. If 5 mangoes are needed, how many kgs have to be purchased?
  • (i)
    2.57 kg
  • (ii)
    1.57 kg
  • (iii)
    3.57 kg
  • (iv)
    5.57 kg
  • (v)
    4.57 kg
Question 33
33.
30 men or 18 women can earn ₹1800 per day. How much is earned by 17 men and 18 women in a day?
  • (i)
    ₹2650
  • (ii)
    ₹2960
  • (iii)
    ₹2660
  • (iv)
    ₹2900
  • (v)
    ₹2820
Question 34
34.
The total wage of 13 labourers for 9 days is ₹35100. What will be the total wage of 7 labourers for 5 days ?
  • (i)
    ₹8900
  • (ii)
    ₹11300
  • (iii)
    ₹12000
  • (iv)
    ₹9300
  • (v)
    ₹10500
Question 35
35.
40 artisans can make 30 idols in 24 days. How many artisans are required to make 6 idols in 12 days ?
  • (i)
    17
  • (ii)
    15
  • (iii)
    14
  • (iv)
    18
  • (v)
    16
Question 36
36.
90 workers working for 5 hr per day can dig a pit in 32 days. How many days are needed for 36 workers working 8 hr per day to dig the same pit?
  • (i)
    50 days
  • (ii)
    45 days
  • (iii)
    47 days
  • (iv)
    55 days
  • (v)
    53 days
Question 37
37.
12 cows eat 2808 kg of grass in 18 days. How much of grass has to be procured to feed 9 cows for 20 days ?
  • (i)
    2340 kg
  • (ii)
    2500 kg
  • (iii)
    2270 kg
  • (iv)
    2220 kg
Question 38
38.
Cost of 13 toys of TypeA is ₹117 and 12 toys of TypeB is ₹228. Out of a sum of ₹340, 6 toys of TypeA are purchased. If 16 toys of TypeB have to be purchased, how much extra amount is needed?
  • (i)
    ₹23
  • (ii)
    ₹21
  • (iii)
    ₹15
  • (iv)
    ₹18
  • (v)
    ₹13
Question 39
39.
9 men can make 486 baskets in 9 days. 7 women can make 245 baskets in 7 days. How many baskets are made by 10 men and 6 women in 5 days ?
  • (i)
    450
  • (ii)
    451
  • (iii)
    449
  • (iv)
    448
  • (v)
    452
Question 40
40.
To irrigate 14 acres of a field, 80000 l of water is needed. If 10 more acres are brought under cultivation, how many lts of water is needed?
  • (i)
    131142.86 l
  • (ii)
    163142.86 l
  • (iii)
    109142.86 l
  • (iv)
    150142.86 l
  • (v)
    137142.86 l
Question 41
41.
20 labourers can cultivate a field in 36 days working 8 hr per day. How many more labourers are needed to cultivate double the field in 80 days working 4 hr per day ?
  • (i)
    16
  • (ii)
    17
  • (iii)
    15
  • (iv)
    19
  • (v)
    14
Question 42
42.
13 workers working 8 hr per day are paid ₹88400 for 17 days. How much has to be paid to 13 workers working 15 hr per day for 12 days ?
  • (i)
    ₹139000
  • (ii)
    ₹123000
  • (iii)
    ₹100000
  • (iv)
    ₹102000
  • (v)
    ₹117000
Question 43
43.
The air ticket charges for 31 persons for a flight is ₹143127, inclusive of ₹417 as airport tax per person. How much has to be paid if 15 persons drop out of the trip ?
  • (i)
    ₹72172
  • (ii)
    ₹75272
  • (iii)
    ₹71672
  • (iv)
    ₹75172
  • (v)
    ₹73872
Question 44
44.
The specification on a printer says that it prints 1000 pages in 20 min. If 4750 pages have to be printed, how long will it take ?
  • (i)
    100 min
  • (ii)
    98 min
  • (iii)
    90 min
  • (iv)
    92 min
  • (v)
    95 min
Question 45
45.
17 gm of gold costs ₹35700. What is the cost of 38 gm ?
  • (i)
    ₹80500
  • (ii)
    ₹81300
  • (iii)
    ₹79500
  • (iv)
    ₹78400
  • (v)
    ₹79800
Question 46
46.
A banker gave foreign exchange of $15 for ₹900. How many dollars will the customer get for ₹1920 ?
  • (i)
    $37
  • (ii)
    $27
  • (iii)
    $29
  • (iv)
    $35
  • (v)
    $32
Question 47
47.
19 workers take 13 days to build a room. After working for 6 days, 14 workers left. In how many more days is the room built ?
  • (i)
    29.60 days
  • (ii)
    26.60 days
  • (iii)
    31.60 days
  • (iv)
    23.60 days
  • (v)
    21.60 days
Question 48
48.
    • A can do
    • 1

      13
    • of a particular work in
    • 7 days
    • .
    • B can do
    • 1

      14
    • of the same work in
    • 5 days
    • .
    • C can do
    • 1

      10
    • of the same work in
    • 12 days
    • .
    • If A, B and C work together, in how many days is the work completed ?
  • (i)
    29
    277

    367
    days
  • (ii)
    29
    73

    123
    days
  • (iii)
    29
    67

    73
    days
  • (iv)
    29
    279

    367
    days
  • (v)
    29
    275

    367
    days
Question 49
49.
A journey consists of three legs. First 24 km are travelled at a speed of 80 kmph. Next 50 km are travelled at a speed of 100 kmph. Last 8 km are travelled at a speed of 40 kmph. Find the total time taken to complete the journey.
  • (i)
    1
    1

    4
    hr
  • (ii)
    1
    hr
  • (iii)
    4

    5
    hr
  • (iv)
    5

    6
    hr
  • (v)
    1
    1

    5
    hr
Question 50
50.
In an eating contest, the eating capacities of A, B and C are 13 gm/sec, 5 gm/sec and 7 gm/sec respectively. If the amount of food to be eaten is 12 kg, in how much time is it consumed if all three participants start eating together ?
  • (i)
    11
    min
  • (ii)
    8
    min
  • (iii)
    5
    min
  • (iv)
    9
    min
  • (v)
    7
    min
Question 51
51.
In a certain exam, for every correct answer, 9 marks are added. For every wrong answer 3 marks are subtracted. A student attempted 48 questions and secured 216 marks. How many answers are correct and how many are wrong?
  • (i)
    32 correct and 16 wrong
  • (ii)
    29 correct and 19 wrong
  • (iii)
    30 correct and 18 wrong
  • (iv)
    31 correct and 17 wrong
  • (v)
    28 correct and 20 wrong
Question 52
52.
    • A production line consists of three stages to be completed serially.
    • Stage1 work can be done by
    • 11
    • workers in
    • 14 days
    • .
    • Stage2 work can be done by
    • 7
    • workers in
    • 10 days
    • .
    • Stage3 work can be done by
    • 8
    • workers in
    • 9 days
    • .
    • If
    • 14
    • ,
    • 11
    • and
    • 9
    • workers are hired to do
    • Stage1, Stage2 and Stage3 works respectively,
    • in how many days is the work completed ?
  • (i)
    25
    4

    13
    days
  • (ii)
    25
    4

    9
    days
  • (iii)
    25
    4

    11
    days
  • (iv)
    25
    2

    11
    days
  • (v)
    25
    6

    11
    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
      -
      20
      10
      20
      -
      40
      15
      40
      -
      90
      20
      90
      -
      remaining
      25
    • How much amount has to be paid if the consumption is
    • 16 kl
    • .
  • (i)
    ₹182
  • (ii)
    ₹173
  • (iii)
    ₹145
  • (iv)
    ₹133
  • (v)
    ₹160
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
      -
      20
      12
      20
      -
      50
      17
      50
      -
      80
      22
      80
      -
      remaining
      27
    • How much amount has to be paid if the consumption is
    • 43 kl
    • .
  • (i)
    ₹606
  • (ii)
    ₹624
  • (iii)
    ₹631
  • (iv)
    ₹655
  • (v)
    ₹649
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
      17
      20
      -
      30
      22
      30
      -
      80
      27
      80
      -
      remaining
      32
    • How much amount has to be paid if the consumption is
    • 51 kl
    • .
  • (i)
    ₹1127
  • (ii)
    ₹1407
  • (iii)
    ₹987
  • (iv)
    ₹1157
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
      14
      30
      -
      50
      19
      50
      -
      80
      24
      80
      -
      remaining
      29
    • How much amount has to be paid if the consumption is
    • 88 kl
    • .
  • (i)
    ₹1592
  • (ii)
    ₹1752
  • (iii)
    ₹1722
  • (iv)
    ₹1892
  • (v)
    ₹1802
    Assignment Key

  •  1) (v)
  •  2) (ii)
  •  3) (i)
  •  4) (iii)
  •  5) (v)
  •  6) (iv)
  •  7) (v)
  •  8) (iii)
  •  9) (v)
  •  10) (i)
  •  11) (iv)
  •  12) (i)
  •  13) (i)
  •  14) (i)
  •  15) (v)
  •  16) (iv)
  •  17) (i)
  •  18) (iii)
  •  19) (iii)
  •  20) (ii)
  •  21) (iii)
  •  22) (ii)
  •  23) (i)
  •  24) (ii)
  •  25) (iv)
  •  26) (v)
  •  27) (ii)
  •  28) (v)
  •  29) (iv)
  •  30) (iv)
  •  31) (v)
  •  32) (iii)
  •  33) (v)
  •  34) (v)
  •  35) (v)
  •  36) (i)
  •  37) (i)
  •  38) (iv)
  •  39) (i)
  •  40) (v)
  •  41) (i)
  •  42) (v)
  •  43) (v)
  •  44) (v)
  •  45) (v)
  •  46) (v)
  •  47) (ii)
  •  48) (i)
  •  49) (ii)
  •  50) (ii)
  •  51) (iii)
  •  52) (iii)
  •  53) (v)
  •  54) (iii)
  •  55) (i)
  •  56) (ii)