EduSahara™ Assignment
Name : Unitary Method Problems
Chapter : Unitary Method
Grade : ICSE Grade VIII
License : Non Commercial Use
Question 1
1.
If 10 cookies cost ₹70, how much will 27 cookies cost?
  • (i)
    ₹206
  • (ii)
    ₹187
  • (iii)
    ₹197
  • (iv)
    ₹189
  • (v)
    ₹163
Question 2
2.
If 6 chocolates cost ₹60, how many chocolates can be purchased with ₹300?
  • (i)
    31
  • (ii)
    28
  • (iii)
    32
  • (iv)
    29
  • (v)
    30
Question 3
3.
If 14 l of oil costs ₹252, how much will 40 l cost?
  • (i)
    ₹738
  • (ii)
    ₹707
  • (iii)
    ₹725
  • (iv)
    ₹716
  • (v)
    ₹720
Question 4
4.
If 11 l of mustard oil costs ₹209, how much of mustard oil costs ₹722?
  • (i)
    43 l
  • (ii)
    33 l
  • (iii)
    41 l
  • (iv)
    38 l
  • (v)
    35 l
Question 5
5.
If 13 men can make 26 chappals in a day, how many chappals are made by 24 men in a day?
  • (i)
    47
  • (ii)
    50
  • (iii)
    48
  • (iv)
    49
  • (v)
    45
Question 6
6.
If 10 men can make 40 birthday cakes in a day, how many men are needed to make 92 birthday cakes in a day?
  • (i)
    22
  • (ii)
    23
  • (iii)
    20
  • (iv)
    24
  • (v)
    26
Question 7
7.
If Srinivas can read 208 pages in 16 hr, how many pages can he read in 14 hr?
  • (i)
    182
  • (ii)
    185
  • (iii)
    183
  • (iv)
    181
  • (v)
    179
Question 8
8.
If Prasad can read 380 pages in 19 hr, he can read 280 pages in how many hours?
  • (i)
    9 hr
  • (ii)
    17 hr
  • (iii)
    11 hr
  • (iv)
    14 hr
  • (v)
    19 hr
Question 9
9.
If Sharan can read 36 pages in a 96 pages book in 3 hr, how much more time will it take to complete the book?
  • (i)
    5 hr
  • (ii)
    7 hr
  • (iii)
    6 hr
  • (iv)
    3 hr
  • (v)
    4 hr
Question 10
10.
If Sai can make 88 sandwiches in 8 min, in how much time can he complete an order of 550 sandwiches ?
  • (i)
    55 min
  • (ii)
    53 min
  • (iii)
    47 min
  • (iv)
    50 min
  • (v)
    45 min
Question 11
11.
If 120 men can do a piece of work in 84 days, how many men can do the same work in 140 days?
  • (i)
    69
  • (ii)
    74
  • (iii)
    73
  • (iv)
    72
  • (v)
    71
Question 12
12.
If 104 men can do a piece of work in 168 days, 112 men can do the same work in how many days?
  • (i)
    156 days
  • (ii)
    160 days
  • (iii)
    148 days
  • (iv)
    144 days
  • (v)
    173 days
Question 13
13.
    • If
    • 13
    • men can build
    • 1

      10
    • of a wall in
    • 46 days
    • ,
    • in how much more time is the wall completely built ?
  • (i)
    427 days
  • (ii)
    411 days
  • (iii)
    414 days
  • (iv)
    399 days
  • (v)
    430 days
Question 14
14.
A vehicle can cover certain distance in 30 min, running at a speed of 154 kmph. At what speed must the vehicle run to cover the same distance in 84 min?
  • (i)
    60 kmph
  • (ii)
    55 kmph
  • (iii)
    52 kmph
  • (iv)
    50 kmph
  • (v)
    58 kmph
Question 15
15.
A vehicle can cover certain distance in 168 min, running at a speed of 117 kmph. In how many minutes, the vehicle covers the same distance running at a speed of 156 kmph?
  • (i)
    126 min
  • (ii)
    131 min
  • (iii)
    102 min
  • (iv)
    152 min
  • (v)
    109 min
Question 16
16.
A person has to travel from one town to another town which is at a distance of 416 km. He covers 260 km in 10 hr. In how much more time will he reach his destination?
  • (i)
    7 hr
  • (ii)
    8 hr
  • (iii)
    5 hr
  • (iv)
    6 hr
  • (v)
    4 hr
Question 17
17.
The cost of 19 kg of pumpkins is ₹380. How many kgs of pumpkins can be purchased with ₹400 ?
  • (i)
    20 kg
  • (ii)
    23 kg
  • (iii)
    25 kg
  • (iv)
    15 kg
  • (v)
    17 kg
Question 18
18.
The cost of 18 kg of onions is ₹522. How much has to be paid to purchase 13 kg of onions ?
  • (i)
    ₹385
  • (ii)
    ₹362
  • (iii)
    ₹377
  • (iv)
    ₹403
  • (v)
    ₹370
Question 19
19.
The weight of 21 rounds of copper wire is 483 kg. How many rounds of copper wire is present in 299 kg?
  • (i)
    15
  • (ii)
    12
  • (iii)
    14
  • (iv)
    13
  • (v)
    11
Question 20
20.
130 men can dig a canal in 63 days  working for 3 hr per day. How many men are required to complete the work in 30 days  working for 9 hr per day?
  • (i)
    91
  • (ii)
    92
  • (iii)
    90
  • (iv)
    89
  • (v)
    93
Question 21
21.
14 men can dig a trench in 19 days. But after working for 5 days, 5 men left. How many more days are required to complete the work?
  • (i)
    22
    days
  • (ii)
    21
    5

    9
    days
  • (iii)
    21
    7

    9
    days
  • (iv)
    21
    7

    11
    days
Question 22
22.
In a hostel mess there are provisions enough for 19 students for 10 days. If 10 more students join the hostel, how long will the provisions last ?
  • (i)
    6.55 days
  • (ii)
    7.55 days
  • (iii)
    4.55 days
  • (iv)
    5.55 days
  • (v)
    8.55 days
Question 23
23.
In a hostel mess, there are provisions enough for 10 students for 12 days. After 6 days, 5 students left. How many more days will the provisions last ?
  • (i)
    17.00 days
  • (ii)
    12.00 days
  • (iii)
    9.00 days
  • (iv)
    15.00 days
  • (v)
    7.00 days
Question 24
24.
A bus ticket fare for 20 km costs ₹62. How much is the fare for 14 km?
  • (i)
    ₹46.40
  • (ii)
    ₹38.40
  • (iii)
    ₹40.40
  • (iv)
    ₹48.40
  • (v)
    ₹43.40
Question 25
25.
The cost of 20 pens is ₹380 and 18 pencils is ₹180. With an amount of ₹423, 10 pencils are purchased. How many pens can be purchased with the remaining amount ?
  • (i)
    18
  • (ii)
    16
  • (iii)
    15
  • (iv)
    17
  • (v)
    20
Question 26
26.
The cost of 18 pens is ₹216 and 16 pencils is ₹128. With an amount of ₹272, 10 pens are purchased. How many pencils can be purchased with the remaining amount ?
  • (i)
    20
  • (ii)
    21
  • (iii)
    18
  • (iv)
    17
  • (v)
    19
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 ₹355 ?
  • (i)
    ₹34.05
  • (ii)
    ₹44.05
  • (iii)
    ₹39.05
  • (iv)
    ₹36.05
  • (v)
    ₹42.05
Question 28
28.
A group of pilgrims have to cover 23 km to reach a shrine. They walk 15 km in 12 hr. At what speed they have to walk to cover the remaining distance in 7 hr ?
  • (i)
    9.14 kmph
  • (ii)
    2.14 kmph
  • (iii)
    3.14 kmph
  • (iv)
    0.14 kmph
  • (v)
    1.14 kmph
Question 29
29.
To stitch a shirt, 133 cm of cloth is needed. How much cloth is needed to stitch 9 shirts ?
  • (i)
    977 cm
  • (ii)
    1137 cm
  • (iii)
    1347 cm
  • (iv)
    1467 cm
  • (v)
    1197 cm
Question 30
30.
11 m of cloth is required to stitch 9 dresses. How many meters of cloth is required to stitch 22 dresses?
  • (i)
    29.89 m
  • (ii)
    31.89 m
  • (iii)
    26.89 m
  • (iv)
    21.89 m
  • (v)
    23.89 m
Question 31
31.
The cost of 9 dozen bananas is ₹396. What is the cost of 30 dozens ?
  • (i)
    ₹1320
  • (ii)
    ₹1370
  • (iii)
    ₹1560
  • (iv)
    ₹1290
  • (v)
    ₹1150
Question 32
32.
20 mangoes weigh 6 kg. If 9 mangoes are needed, how many kgs have to be purchased?
  • (i)
    2.70 kg
  • (ii)
    1.70 kg
  • (iii)
    0.70 kg
  • (iv)
    3.70 kg
  • (v)
    4.70 kg
Question 33
33.
27 men or 21 women can earn ₹1890 per day. How much is earned by 12 men and 11 women in a day?
  • (i)
    ₹1560
  • (ii)
    ₹1960
  • (iii)
    ₹1830
  • (iv)
    ₹2090
  • (v)
    ₹1770
Question 34
34.
The total wage of 15 labourers for 19 days is ₹105450. What will be the total wage of 11 labourers for 17 days ?
  • (i)
    ₹70490
  • (ii)
    ₹67390
  • (iii)
    ₹66990
  • (iv)
    ₹69590
  • (v)
    ₹69190
Question 35
35.
48 artisans can make 80 idols in 20 days. How many artisans are required to make 28 idols in 8 days ?
  • (i)
    42
  • (ii)
    40
  • (iii)
    43
  • (iv)
    41
  • (v)
    44
Question 36
36.
21 workers working for 4 hr per day can dig a pit in 18 days. How many days are needed for 63 workers working 2 hr per day to dig the same pit?
  • (i)
    9 days
  • (ii)
    17 days
  • (iii)
    15 days
  • (iv)
    7 days
  • (v)
    12 days
Question 37
37.
8 cows eat 800 kg of grass in 5 days. How much of grass has to be procured to feed 18 cows for 15 days ?
  • (i)
    5250 kg
  • (ii)
    5170 kg
  • (iii)
    5400 kg
  • (iv)
    5520 kg
  • (v)
    5480 kg
Question 38
38.
Cost of 13 toys of TypeA is ₹104 and 10 toys of TypeB is ₹170. Out of a sum of ₹133, 5 toys of TypeA are purchased. If 7 toys of TypeB have to be purchased, how much extra amount is needed?
  • (i)
    ₹23
  • (ii)
    ₹31
  • (iii)
    ₹26
  • (iv)
    ₹21
  • (v)
    ₹29
Question 39
39.
11 men can make 396 baskets in 6 days. 3 women can make 108 baskets in 6 days. How many baskets are made by 9 men and 9 women in 9 days ?
  • (i)
    973
  • (ii)
    972
  • (iii)
    969
  • (iv)
    971
  • (v)
    974
Question 40
40.
To irrigate 17 acres of a field, 90000 l of water is needed. If 9 more acres are brought under cultivation, how many lts of water is needed?
  • (i)
    112647.06 l
  • (ii)
    150647.06 l
  • (iii)
    119647.06 l
  • (iv)
    153647.06 l
  • (v)
    137647.06 l
Question 41
41.
32 labourers can cultivate a field in 50 days working 9 hr per day. How many more labourers are needed to cultivate double the field in 36 days working 5 hr per day ?
  • (i)
    129
  • (ii)
    128
  • (iii)
    125
  • (iv)
    131
  • (v)
    127
Question 42
42.
11 workers working 12 hr per day are paid ₹55440 for 14 days. How much has to be paid to 15 workers working 13 hr per day for 15 days ?
  • (i)
    ₹87750
  • (ii)
    ₹88550
  • (iii)
    ₹85150
  • (iv)
    ₹86250
  • (v)
    ₹90550
Question 43
43.
The air ticket charges for 30 persons for a flight is ₹223320, inclusive of ₹344 as airport tax per person. How much has to be paid if 16 persons drop out of the trip ?
  • (i)
    ₹109216
  • (ii)
    ₹92216
  • (iii)
    ₹121216
  • (iv)
    ₹91216
  • (v)
    ₹104216
Question 44
44.
The specification on a printer says that it prints 2400 pages in 40 min. If 4500 pages have to be printed, how long will it take ?
  • (i)
    72 min
  • (ii)
    75 min
  • (iii)
    78 min
  • (iv)
    70 min
  • (v)
    80 min
Question 45
45.
15 gm of gold costs ₹39000. What is the cost of 24 gm ?
  • (i)
    ₹62400
  • (ii)
    ₹60100
  • (iii)
    ₹61200
  • (iv)
    ₹62700
  • (v)
    ₹64000
Question 46
46.
A banker gave foreign exchange of $16 for ₹720. How many dollars will the customer get for ₹1350 ?
  • (i)
    $27
  • (ii)
    $35
  • (iii)
    $33
  • (iv)
    $25
  • (v)
    $30
Question 47
47.
13 workers take 12 days to build a room. After working for 6 days, 8 workers left. In how many more days is the room built ?
  • (i)
    15.60 days
  • (ii)
    10.60 days
  • (iii)
    12.60 days
  • (iv)
    18.60 days
  • (v)
    20.60 days
Question 48
48.
    • A can do
    • 1

      3
    • of a particular work in
    • 12 days
    • .
    • B can do
    • 1

      9
    • of the same work in
    • 8 days
    • .
    • C can do
    • 1

      11
    • of the same work in
    • 13 days
    • .
    • If A, B and C work together, in how many days is the work completed ?
  • (i)
    20
    94

    167
    days
  • (ii)
    20
    92

    167
    days
  • (iii)
    20
    90

    167
    days
  • (iv)
    20
    4

    13
    days
  • (v)
    20
    4

    5
    days
Question 49
49.
A journey consists of three legs. First 195 km are travelled at a speed of 130 kmph. Next 24 km are travelled at a speed of 20 kmph. Last 33 km are travelled at a speed of 110 kmph. Find the total time taken to complete the journey.
  • (i)
    3
    1

    5
    hr
  • (ii)
    3
    hr
  • (iii)
    3
    3

    4
    hr
  • (iv)
    2
    4

    5
    hr
  • (v)
    2
    1

    2
    hr
Question 50
50.
In an eating contest, the eating capacities of A, B and C are 11 gm/sec, 14 gm/sec and 6 gm/sec respectively. If the amount of food to be eaten is 18.6 kg, in how much time is it consumed if all three participants start eating together ?
  • (i)
    10
    min
  • (ii)
    9
    min
  • (iii)
    8
    min
  • (iv)
    12
    min
  • (v)
    11
    min
Question 51
51.
In a certain exam, for every correct answer, 8 marks are added. For every wrong answer 4 marks are subtracted. A student attempted 66 questions and secured 324 marks. How many answers are correct and how many are wrong?
  • (i)
    48 correct and 18 wrong
  • (ii)
    50 correct and 16 wrong
  • (iii)
    49 correct and 17 wrong
  • (iv)
    47 correct and 19 wrong
  • (v)
    51 correct and 15 wrong
Question 52
52.
    • A production line consists of three stages to be completed serially.
    • Stage1 work can be done by
    • 5
    • workers in
    • 14 days
    • .
    • Stage2 work can be done by
    • 15
    • workers in
    • 11 days
    • .
    • Stage3 work can be done by
    • 8
    • workers in
    • 6 days
    • .
    • If
    • 6
    • ,
    • 10
    • and
    • 13
    • workers are hired to do
    • Stage1, Stage2 and Stage3 works respectively,
    • in how many days is the work completed ?
  • (i)
    31
    67

    78
    days
  • (ii)
    31
    23

    26
    days
  • (iii)
    31
    67

    76
    days
  • (iv)
    31
    5

    6
    days
  • (v)
    31
    67

    80
    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
      15
      20
      -
      40
      20
      40
      -
      70
      25
      70
      -
      remaining
      30
    • How much amount has to be paid if the consumption is
    • 20 kl
    • .
  • (i)
    ₹300
  • (ii)
    ₹314
  • (iii)
    ₹296
  • (iv)
    ₹272
  • (v)
    ₹315
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
      19
      20
      -
      40
      24
      40
      -
      70
      29
      70
      -
      remaining
      34
    • How much amount has to be paid if the consumption is
    • 31 kl
    • .
  • (i)
    ₹618
  • (ii)
    ₹644
  • (iii)
    ₹672
  • (iv)
    ₹639
  • (v)
    ₹656
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
      -
      30
      10
      30
      -
      40
      15
      40
      -
      50
      20
      50
      -
      remaining
      25
    • How much amount has to be paid if the consumption is
    • 43 kl
    • .
  • (i)
    ₹494
  • (ii)
    ₹482
  • (iii)
    ₹523
  • (iv)
    ₹510
  • (v)
    ₹518
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
      -
      20
      14
      20
      -
      80
      19
      80
      -
      90
      24
      90
      -
      remaining
      29
    • How much amount has to be paid if the consumption is
    • 95 kl
    • .
  • (i)
    ₹2065
  • (ii)
    ₹1755
  • (iii)
    ₹1805
  • (iv)
    ₹1635
  • (v)
    ₹1885
    Assignment Key

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