EduSahara™ Assignment
Name : Unitary Method Problems
Chapter : Unitary Method
Grade : ICSE Grade VII
License : Non Commercial Use
Question 1
1.
If 12 vadas cost ₹60, how much will 33 vadas cost?
  • (i)
    ₹161
  • (ii)
    ₹180
  • (iii)
    ₹188
  • (iv)
    ₹165
  • (v)
    ₹138
Question 2
2.
If 6 samosas cost ₹48, how many samosas can be purchased with ₹224?
  • (i)
    28
  • (ii)
    29
  • (iii)
    27
  • (iv)
    31
  • (v)
    25
Question 3
3.
If 15 l of oil costs ₹255, how much will 33 l cost?
  • (i)
    ₹539
  • (ii)
    ₹564
  • (iii)
    ₹561
  • (iv)
    ₹589
  • (v)
    ₹555
Question 4
4.
If 10 l of mustard oil costs ₹120, how much of mustard oil costs ₹444?
  • (i)
    32 l
  • (ii)
    37 l
  • (iii)
    42 l
  • (iv)
    34 l
  • (v)
    40 l
Question 5
5.
If 12 men can make 24 gift packages in a day, how many gift packages are made by 16 men in a day?
  • (i)
    34
  • (ii)
    29
  • (iii)
    32
  • (iv)
    31
  • (v)
    33
Question 6
6.
If 13 men can make 26 chairs in a day, how many men are needed to make 44 chairs in a day?
  • (i)
    23
  • (ii)
    22
  • (iii)
    21
  • (iv)
    24
  • (v)
    20
Question 7
7.
If Venkat can read 180 pages in 12 hr, how many pages can he read in 20 hr?
  • (i)
    299
  • (ii)
    301
  • (iii)
    298
  • (iv)
    300
  • (v)
    302
Question 8
8.
If Charan can read 143 pages in 13 hr, he can read 154 pages in how many hours?
  • (i)
    19 hr
  • (ii)
    9 hr
  • (iii)
    14 hr
  • (iv)
    11 hr
  • (v)
    17 hr
Question 9
9.
If Akbar can read 36 pages in a 132 pages book in 3 hr, how much more time will it take to complete the book?
  • (i)
    10 hr
  • (ii)
    8 hr
  • (iii)
    7 hr
  • (iv)
    9 hr
  • (v)
    6 hr
Question 10
10.
If Martin can make 255 burgers in 15 min, in how much time can he complete an order of 680 burgers ?
  • (i)
    35 min
  • (ii)
    45 min
  • (iii)
    37 min
  • (iv)
    43 min
  • (v)
    40 min
Question 11
11.
If 120 men can do a piece of work in 77 days, how many men can do the same work in 165 days?
  • (i)
    57
  • (ii)
    54
  • (iii)
    58
  • (iv)
    55
  • (v)
    56
Question 12
12.
If 30 men can do a piece of work in 108 days, 45 men can do the same work in how many days?
  • (i)
    77 days
  • (ii)
    67 days
  • (iii)
    75 days
  • (iv)
    69 days
  • (v)
    72 days
Question 13
13.
    • If
    • 19
    • men can build
    • 1

      6
    • of a wall in
    • 46 days
    • ,
    • in how much more time is the wall completely built ?
  • (i)
    218 days
  • (ii)
    244 days
  • (iii)
    230 days
  • (iv)
    248 days
  • (v)
    207 days
Question 14
14.
A vehicle can cover certain distance in 143 min, running at a speed of 63 kmph. At what speed must the vehicle run to cover the same distance in 77 min?
  • (i)
    134 kmph
  • (ii)
    101 kmph
  • (iii)
    122 kmph
  • (iv)
    114 kmph
  • (v)
    117 kmph
Question 15
15.
A vehicle can cover certain distance in 108 min, running at a speed of 50 kmph. In how many minutes, the vehicle covers the same distance running at a speed of 60 kmph?
  • (i)
    93 min
  • (ii)
    85 min
  • (iii)
    87 min
  • (iv)
    90 min
  • (v)
    95 min
Question 16
16.
A person has to travel from one town to another town which is at a distance of 1080 km. He covers 480 km in 12 hr. In how much more time will he reach his destination?
  • (i)
    20 hr
  • (ii)
    18 hr
  • (iii)
    12 hr
  • (iv)
    10 hr
  • (v)
    15 hr
Question 17
17.
The cost of 13 kg of cauliflowers is ₹273. How many kgs of cauliflowers can be purchased with ₹504 ?
  • (i)
    29 kg
  • (ii)
    21 kg
  • (iii)
    24 kg
  • (iv)
    27 kg
  • (v)
    19 kg
Question 18
18.
The cost of 18 kg of radish is ₹432. How much has to be paid to purchase 21 kg of radish ?
  • (i)
    ₹504
  • (ii)
    ₹512
  • (iii)
    ₹477
  • (iv)
    ₹498
  • (v)
    ₹519
Question 19
19.
The weight of 19 rounds of copper wire is 456 kg. How many rounds of copper wire is present in 552 kg?
  • (i)
    22
  • (ii)
    25
  • (iii)
    24
  • (iv)
    23
  • (v)
    20
Question 20
20.
120 men can dig a canal in 99 days  working for 14 hr per day. How many men are required to complete the work in 210 days  working for 9 hr per day?
  • (i)
    89
  • (ii)
    85
  • (iii)
    88
  • (iv)
    87
  • (v)
    90
Question 21
21.
11 men can dig a trench in 12 days. But after working for 7 days, 8 men left. How many more days are required to complete the work?
  • (i)
    17
    2

    3
    days
  • (ii)
    18
    1

    3
    days
  • (iii)
    19
    days
  • (iv)
    18
    1

    5
    days
Question 22
22.
In a hostel mess there are provisions enough for 15 students for 15 days. If 10 more students join the hostel, how long will the provisions last ?
  • (i)
    9.00 days
  • (ii)
    8.00 days
  • (iii)
    7.00 days
  • (iv)
    10.00 days
  • (v)
    11.00 days
Question 23
23.
In a hostel mess, there are provisions enough for 19 students for 18 days. After 6 days, 9 students left. How many more days will the provisions last ?
  • (i)
    27.80 days
  • (ii)
    25.80 days
  • (iii)
    22.80 days
  • (iv)
    19.80 days
  • (v)
    17.80 days
Question 24
24.
A bus ticket fare for 10 km costs ₹88. How much is the fare for 19 km?
  • (i)
    ₹164.20
  • (ii)
    ₹179.20
  • (iii)
    ₹167.20
  • (iv)
    ₹152.20
  • (v)
    ₹190.20
Question 25
25.
The cost of 15 pens is ₹165 and 13 pencils is ₹78. With an amount of ₹216, 14 pencils are purchased. How many pens can be purchased with the remaining amount ?
  • (i)
    15
  • (ii)
    9
  • (iii)
    11
  • (iv)
    12
  • (v)
    13
Question 26
26.
The cost of 14 pens is ₹252 and 10 pencils is ₹100. With an amount of ₹366, 12 pens are purchased. How many pencils can be purchased with the remaining amount ?
  • (i)
    15
  • (ii)
    12
  • (iii)
    18
  • (iv)
    16
  • (v)
    14
Question 27
27.
The sales tax for ₹100 of a bill is ₹10. How much sales tax has to be paid for a bill of ₹216 ?
  • (i)
    ₹16.60
  • (ii)
    ₹24.60
  • (iii)
    ₹26.60
  • (iv)
    ₹21.60
  • (v)
    ₹18.60
Question 28
28.
A group of pilgrims have to cover 25 km to reach a shrine. They walk 20 km in 14 hr. At what speed they have to walk to cover the remaining distance in 9 hr ?
  • (i)
    7.56 kmph
  • (ii)
    2.56 kmph
  • (iii)
    8.56 kmph
  • (iv)
    1.56 kmph
  • (v)
    0.56 kmph
Question 29
29.
To stitch a shirt, 140 cm of cloth is needed. How much cloth is needed to stitch 10 shirts ?
  • (i)
    1130 cm
  • (ii)
    1400 cm
  • (iii)
    1220 cm
  • (iv)
    1540 cm
  • (v)
    1630 cm
Question 30
30.
13 m of cloth is required to stitch 5 dresses. How many meters of cloth is required to stitch 15 dresses?
  • (i)
    34.00 m
  • (ii)
    39.00 m
  • (iii)
    42.00 m
  • (iv)
    44.00 m
  • (v)
    36.00 m
Question 31
31.
The cost of 5 dozen bananas is ₹150. What is the cost of 19 dozens ?
  • (i)
    ₹570
  • (ii)
    ₹552
  • (iii)
    ₹584
  • (iv)
    ₹567
Question 32
32.
19 mangoes weigh 6 kg. If 6 mangoes are needed, how many kgs have to be purchased?
  • (i)
    0.89 kg
  • (ii)
    2.89 kg
  • (iii)
    3.89 kg
  • (iv)
    9.89 kg
  • (v)
    1.89 kg
Question 33
33.
42 men or 21 women can earn ₹1260 per day. How much is earned by 20 men and 12 women in a day?
  • (i)
    ₹1570
  • (ii)
    ₹1180
  • (iii)
    ₹1320
  • (iv)
    ₹1090
  • (v)
    ₹1500
Question 34
34.
The total wage of 20 labourers for 12 days is ₹103200. What will be the total wage of 11 labourers for 9 days ?
  • (i)
    ₹41170
  • (ii)
    ₹43870
  • (iii)
    ₹42570
  • (iv)
    ₹44770
  • (v)
    ₹41270
Question 35
35.
14 artisans can make 63 idols in 36 days. How many artisans are required to make 30 idols in 40 days ?
  • (i)
    5
  • (ii)
    6
  • (iii)
    8
  • (iv)
    4
  • (v)
    7
Question 36
36.
20 workers working for 8 hr per day can dig a pit in 42 days. How many days are needed for 35 workers working 6 hr per day to dig the same pit?
  • (i)
    32 days
  • (ii)
    27 days
  • (iii)
    35 days
  • (iv)
    37 days
  • (v)
    29 days
Question 37
37.
9 cows eat 1350 kg of grass in 10 days. How much of grass has to be procured to feed 12 cows for 17 days ?
  • (i)
    2800 kg
  • (ii)
    3240 kg
  • (iii)
    3060 kg
  • (iv)
    3210 kg
  • (v)
    3000 kg
Question 38
38.
Cost of 14 toys of TypeA is ₹140 and 8 toys of TypeB is ₹128. Out of a sum of ₹249, 11 toys of TypeA are purchased. If 17 toys of TypeB have to be purchased, how much extra amount is needed?
  • (i)
    ₹119
  • (ii)
    ₹148
  • (iii)
    ₹133
  • (iv)
    ₹147
  • (v)
    ₹121
Question 39
39.
9 men can make 720 baskets in 10 days. 14 women can make 420 baskets in 6 days. How many baskets are made by 4 men and 5 women in 10 days ?
  • (i)
    571
  • (ii)
    568
  • (iii)
    570
  • (iv)
    569
  • (v)
    572
Question 40
40.
To irrigate 14 acres of a field, 50000 l of water is needed. If 10 more acres are brought under cultivation, how many lts of water is needed?
  • (i)
    83514.29 l
  • (ii)
    88414.29 l
  • (iii)
    85714.29 l
  • (iv)
    85914.29 l
  • (v)
    85214.29 l
Question 41
41.
6 labourers can cultivate a field in 35 days working 10 hr per day. How many more labourers are needed to cultivate double the field in 30 days working 5 hr per day ?
  • (i)
    23
  • (ii)
    24
  • (iii)
    19
  • (iv)
    22
  • (v)
    21
Question 42
42.
13 workers working 5 hr per day are paid ₹55250 for 17 days. How much has to be paid to 16 workers working 12 hr per day for 10 days ?
  • (i)
    ₹95500
  • (ii)
    ₹96000
  • (iii)
    ₹98200
  • (iv)
    ₹93700
  • (v)
    ₹97800
Question 43
43.
The air ticket charges for 38 persons for a flight is ₹314450, inclusive of ₹475 as airport tax per person. How much has to be paid if 12 persons drop out of the trip ?
  • (i)
    ₹190150
  • (ii)
    ₹198150
  • (iii)
    ₹221150
  • (iv)
    ₹243150
  • (v)
    ₹215150
Question 44
44.
The specification on a printer says that it prints 2800 pages in 35 min. If 7600 pages have to be printed, how long will it take ?
  • (i)
    98 min
  • (ii)
    100 min
  • (iii)
    95 min
  • (iv)
    90 min
  • (v)
    92 min
Question 45
45.
11 gm of gold costs ₹25300. What is the cost of 20 gm ?
  • (i)
    ₹47200
  • (ii)
    ₹44500
  • (iii)
    ₹43200
  • (iv)
    ₹48300
  • (v)
    ₹46000
Question 46
46.
A banker gave foreign exchange of $19 for ₹893. How many dollars will the customer get for ₹1410 ?
  • (i)
    $35
  • (ii)
    $25
  • (iii)
    $27
  • (iv)
    $30
  • (v)
    $33
Question 47
47.
15 workers take 15 days to build a room. After working for 6 days, 7 workers left. In how many more days is the room built ?
  • (i)
    11.88 days
  • (ii)
    19.88 days
  • (iii)
    16.88 days
  • (iv)
    21.88 days
  • (v)
    13.88 days
Question 48
48.
    • A can do
    • 1

      15
    • of a particular work in
    • 11 days
    • .
    • B can do
    • 1

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

      7
    • of the same work in
    • 4 days
    • .
    • If A, B and C work together, in how many days is the work completed ?
  • (i)
    12
    138

    181
    days
  • (ii)
    12
    162

    179
    days
  • (iii)
    12
    164

    179
    days
  • (iv)
    13
    3

    59
    days
  • (v)
    12
    160

    179
    days
Question 49
49.
A journey consists of three legs. First 20 km are travelled at a speed of 40 kmph. Next 33 km are travelled at a speed of 30 kmph. Last 18 km are travelled at a speed of 20 kmph. Find the total time taken to complete the journey.
  • (i)
    2
    7

    10
    hr
  • (ii)
    2
    1

    12
    hr
  • (iii)
    2
    3

    10
    hr
  • (iv)
    2
    1

    2
    hr
  • (v)
    3
    1

    8
    hr
Question 50
50.
In an eating contest, the eating capacities of A, B and C are 11 gm/sec, 12 gm/sec and 10 gm/sec respectively. If the amount of food to be eaten is 17.82 kg, in how much time is it consumed if all three participants start eating together ?
  • (i)
    6
    min
  • (ii)
    12
    min
  • (iii)
    10
    min
  • (iv)
    9
    min
  • (v)
    8
    min
Question 51
51.
In a certain exam, for every correct answer, 8 marks are added. For every wrong answer 6 marks are subtracted. A student attempted 64 questions and secured 246 marks. How many answers are correct and how many are wrong?
  • (i)
    47 correct and 17 wrong
  • (ii)
    45 correct and 19 wrong
  • (iii)
    43 correct and 21 wrong
  • (iv)
    44 correct and 20 wrong
  • (v)
    46 correct and 18 wrong
Question 52
52.
    • A production line consists of three stages to be completed serially.
    • Stage1 work can be done by
    • 12
    • workers in
    • 15 days
    • .
    • Stage2 work can be done by
    • 6
    • workers in
    • 14 days
    • .
    • Stage3 work can be done by
    • 11
    • workers in
    • 8 days
    • .
    • If
    • 9
    • ,
    • 7
    • and
    • 14
    • workers are hired to do
    • Stage1, Stage2 and Stage3 works respectively,
    • in how many days is the work completed ?
  • (i)
    38
    2

    7
    days
  • (ii)
    38
    days
  • (iii)
    38
    2

    5
    days
  • (iv)
    38
    4

    7
    days
  • (v)
    38
    2

    9
    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
      -
      30
      10
      30
      -
      50
      15
      50
      -
      80
      20
      80
      -
      remaining
      25
    • How much amount has to be paid if the consumption is
    • 14 kl
    • .
  • (i)
    ₹148
  • (ii)
    ₹156
  • (iii)
    ₹123
  • (iv)
    ₹140
  • (v)
    ₹135
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
      10
      20
      -
      50
      15
      50
      -
      80
      20
      80
      -
      remaining
      25
    • How much amount has to be paid if the consumption is
    • 26 kl
    • .
  • (i)
    ₹290
  • (ii)
    ₹272
  • (iii)
    ₹294
  • (iv)
    ₹306
  • (v)
    ₹277
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
      -
      50
      18
      50
      -
      80
      23
      80
      -
      90
      28
      90
      -
      remaining
      33
    • How much amount has to be paid if the consumption is
    • 82 kl
    • .
  • (i)
    ₹1826
  • (ii)
    ₹1646
  • (iii)
    ₹1786
  • (iv)
    ₹1496
  • (v)
    ₹1386
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
      17
      30
      -
      70
      22
      70
      -
      90
      27
      90
      -
      remaining
      32
    • How much amount has to be paid if the consumption is
    • 94 kl
    • .
  • (i)
    ₹2188
  • (ii)
    ₹2058
  • (iii)
    ₹1798
  • (iv)
    ₹2208
  • (v)
    ₹2028
    Assignment Key

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