EduSahara™ Assignment
Name : Unitary Method Problems
Chapter : Unitary Method
Grade : ICSE Grade VII
License : Non Commercial Use
Question 1
1.
If 11 pens cost ₹88, how much will 36 pens cost?
  • (i)
    ₹302
  • (ii)
    ₹273
  • (iii)
    ₹288
  • (iv)
    ₹270
  • (v)
    ₹291
Question 2
2.
If 7 dosas cost ₹42, how many dosas can be purchased with ₹198?
  • (i)
    33
  • (ii)
    32
  • (iii)
    34
  • (iv)
    31
  • (v)
    36
Question 3
3.
If 15 l of water costs ₹195, how much will 33 l cost?
  • (i)
    ₹412
  • (ii)
    ₹429
  • (iii)
    ₹446
  • (iv)
    ₹437
  • (v)
    ₹417
Question 4
4.
If 10 l of groundnut oil costs ₹170, how much of groundnut oil costs ₹646?
  • (i)
    43 l
  • (ii)
    35 l
  • (iii)
    41 l
  • (iv)
    33 l
  • (v)
    38 l
Question 5
5.
If 19 men can make 114 gift packages in a day, how many gift packages are made by 18 men in a day?
  • (i)
    108
  • (ii)
    107
  • (iii)
    110
  • (iv)
    109
  • (v)
    105
Question 6
6.
If 12 men can make 24 candles in a day, how many men are needed to make 30 candles in a day?
  • (i)
    13
  • (ii)
    16
  • (iii)
    14
  • (iv)
    18
  • (v)
    15
Question 7
7.
If Karthik can read 220 pages in 11 hr, how many pages can he read in 16 hr?
  • (i)
    321
  • (ii)
    318
  • (iii)
    322
  • (iv)
    320
  • (v)
    319
Question 8
8.
If Kumar can read 260 pages in 20 hr, he can read 169 pages in how many hours?
  • (i)
    16 hr
  • (ii)
    13 hr
  • (iii)
    18 hr
  • (iv)
    10 hr
  • (v)
    8 hr
Question 9
9.
If Vikram can read 100 pages in a 180 pages book in 5 hr, how much more time will it take to complete the book?
  • (i)
    6 hr
  • (ii)
    2 hr
  • (iii)
    3 hr
  • (iv)
    4 hr
  • (v)
    5 hr
Question 10
10.
If Surya can make 95 pizzas in 5 min, in how much time can he complete an order of 456 pizzas ?
  • (i)
    19 min
  • (ii)
    21 min
  • (iii)
    29 min
  • (iv)
    27 min
  • (v)
    24 min
Question 11
11.
If 55 men can do a piece of work in 54 days, how many men can do the same work in 30 days?
  • (i)
    100
  • (ii)
    96
  • (iii)
    99
  • (iv)
    98
  • (v)
    102
Question 12
12.
If 30 men can do a piece of work in 88 days, 55 men can do the same work in how many days?
  • (i)
    53 days
  • (ii)
    48 days
  • (iii)
    51 days
  • (iv)
    43 days
  • (v)
    45 days
Question 13
13.
    • If
    • 20
    • men can build
    • 1

      7
    • of a wall in
    • 34 days
    • ,
    • in how much more time is the wall completely built ?
  • (i)
    216 days
  • (ii)
    190 days
  • (iii)
    217 days
  • (iv)
    204 days
Question 14
14.
A vehicle can cover certain distance in 45 min, running at a speed of 80 kmph. At what speed must the vehicle run to cover the same distance in 50 min?
  • (i)
    67 kmph
  • (ii)
    72 kmph
  • (iii)
    75 kmph
  • (iv)
    77 kmph
  • (v)
    69 kmph
Question 15
15.
A vehicle can cover certain distance in 110 min, running at a speed of 63 kmph. In how many minutes, the vehicle covers the same distance running at a speed of 99 kmph?
  • (i)
    65 min
  • (ii)
    75 min
  • (iii)
    67 min
  • (iv)
    73 min
  • (v)
    70 min
Question 16
16.
A person has to travel from one town to another town which is at a distance of 510 km. He covers 180 km in 6 hr. In how much more time will he reach his destination?
  • (i)
    8 hr
  • (ii)
    14 hr
  • (iii)
    6 hr
  • (iv)
    16 hr
  • (v)
    11 hr
Question 17
17.
The cost of 25 kg of brinjals is ₹700. How many kgs of brinjals can be purchased with ₹336 ?
  • (i)
    15 kg
  • (ii)
    9 kg
  • (iii)
    7 kg
  • (iv)
    17 kg
  • (v)
    12 kg
Question 18
18.
The cost of 19 kg of chillies is ₹456. How much has to be paid to purchase 20 kg of chillies ?
  • (i)
    ₹468
  • (ii)
    ₹494
  • (iii)
    ₹482
  • (iv)
    ₹464
  • (v)
    ₹480
Question 19
19.
The weight of 21 rounds of copper wire is 504 kg. How many rounds of copper wire is present in 336 kg?
  • (i)
    15
  • (ii)
    12
  • (iii)
    14
  • (iv)
    13
  • (v)
    16
Question 20
20.
30 men can dig a canal in 150 days  working for 7 hr per day. How many men are required to complete the work in 42 days  working for 10 hr per day?
  • (i)
    75
  • (ii)
    73
  • (iii)
    74
  • (iv)
    76
  • (v)
    77
Question 21
21.
13 men can dig a trench in 12 days. But after working for 5 days, 10 men left. How many more days are required to complete the work?
  • (i)
    30
    1

    5
    days
  • (ii)
    31
    days
  • (iii)
    30
    1

    3
    days
  • (iv)
    29
    2

    3
    days
Question 22
22.
In a hostel mess there are provisions enough for 17 students for 18 days. If 7 more students join the hostel, how long will the provisions last ?
  • (i)
    17.75 days
  • (ii)
    15.75 days
  • (iii)
    9.75 days
  • (iv)
    12.75 days
  • (v)
    7.75 days
Question 23
23.
In a hostel mess, there are provisions enough for 14 students for 20 days. After 18 days, 11 students left. How many more days will the provisions last ?
  • (i)
    7.33 days
  • (ii)
    11.33 days
  • (iii)
    9.33 days
  • (iv)
    10.33 days
  • (v)
    8.33 days
Question 24
24.
A bus ticket fare for 10 km costs ₹91. How much is the fare for 11 km?
  • (i)
    ₹126.10
  • (ii)
    ₹100.10
  • (iii)
    ₹85.10
  • (iv)
    ₹118.10
  • (v)
    ₹76.10
Question 25
25.
The cost of 12 pens is ₹132 and 18 pencils is ₹180. With an amount of ₹220, 11 pencils are purchased. How many pens can be purchased with the remaining amount ?
  • (i)
    10
  • (ii)
    8
  • (iii)
    11
  • (iv)
    13
  • (v)
    9
Question 26
26.
The cost of 14 pens is ₹210 and 19 pencils is ₹171. With an amount of ₹462, 20 pens are purchased. How many pencils can be purchased with the remaining amount ?
  • (i)
    16
  • (ii)
    19
  • (iii)
    17
  • (iv)
    18
  • (v)
    21
Question 27
27.
The sales tax for ₹100 of a bill is ₹18. How much sales tax has to be paid for a bill of ₹415 ?
  • (i)
    ₹69.70
  • (ii)
    ₹71.70
  • (iii)
    ₹79.70
  • (iv)
    ₹74.70
  • (v)
    ₹77.70
Question 28
28.
A group of pilgrims have to cover 25 km to reach a shrine. They walk 18 km in 15 hr. At what speed they have to walk to cover the remaining distance in 5 hr ?
  • (i)
    0.40 kmph
  • (ii)
    1.40 kmph
  • (iii)
    2.40 kmph
  • (iv)
    9.40 kmph
  • (v)
    3.40 kmph
Question 29
29.
To stitch a shirt, 104 cm of cloth is needed. How much cloth is needed to stitch 5 shirts ?
  • (i)
    505 cm
  • (ii)
    537 cm
  • (iii)
    548 cm
  • (iv)
    508 cm
  • (v)
    520 cm
Question 30
30.
17 m of cloth is required to stitch 6 dresses. How many meters of cloth is required to stitch 17 dresses?
  • (i)
    48.17 m
  • (ii)
    51.17 m
  • (iii)
    43.17 m
  • (iv)
    53.17 m
  • (v)
    45.17 m
Question 31
31.
The cost of 9 dozen bananas is ₹360. What is the cost of 27 dozens ?
  • (i)
    ₹1360
  • (ii)
    ₹1080
  • (iii)
    ₹910
  • (iv)
    ₹1050
  • (v)
    ₹1140
Question 32
32.
13 mangoes weigh 5 kg. If 10 mangoes are needed, how many kgs have to be purchased?
  • (i)
    5.85 kg
  • (ii)
    3.85 kg
  • (iii)
    1.85 kg
  • (iv)
    4.85 kg
  • (v)
    2.85 kg
Question 33
33.
20 men or 15 women can earn ₹600 per day. How much is earned by 11 men and 15 women in a day?
  • (i)
    ₹914
  • (ii)
    ₹930
  • (iii)
    ₹943
  • (iv)
    ₹917
  • (v)
    ₹952
Question 34
34.
The total wage of 18 labourers for 20 days is ₹100800. What will be the total wage of 8 labourers for 17 days ?
  • (i)
    ₹35880
  • (ii)
    ₹36480
  • (iii)
    ₹38080
  • (iv)
    ₹39780
  • (v)
    ₹39580
Question 35
35.
28 artisans can make 32 idols in 48 days. How many artisans are required to make 27 idols in 54 days ?
  • (i)
    23
  • (ii)
    20
  • (iii)
    21
  • (iv)
    19
  • (v)
    22
Question 36
36.
56 workers working for 6 hr per day can dig a pit in 18 days. How many days are needed for 72 workers working 2 hr per day to dig the same pit?
  • (i)
    37 days
  • (ii)
    42 days
  • (iii)
    39 days
  • (iv)
    47 days
  • (v)
    45 days
Question 37
37.
16 cows eat 2112 kg of grass in 12 days. How much of grass has to be procured to feed 17 cows for 15 days ?
  • (i)
    2645 kg
  • (ii)
    2635 kg
  • (iii)
    2825 kg
  • (iv)
    2955 kg
  • (v)
    2805 kg
Question 38
38.
Cost of 15 toys of TypeA is ₹135 and 11 toys of TypeB is ₹187. Out of a sum of ₹195, 7 toys of TypeA are purchased. If 13 toys of TypeB have to be purchased, how much extra amount is needed?
  • (i)
    ₹92
  • (ii)
    ₹89
  • (iii)
    ₹86
  • (iv)
    ₹84
  • (v)
    ₹94
Question 39
39.
7 men can make 560 baskets in 10 days. 8 women can make 288 baskets in 9 days. How many baskets are made by 3 men and 8 women in 5 days ?
  • (i)
    281
  • (ii)
    277
  • (iii)
    282
  • (iv)
    280
  • (v)
    279
Question 40
40.
To irrigate 13 acres of a field, 90000 l of water is needed. If 7 more acres are brought under cultivation, how many lts of water is needed?
  • (i)
    136461.54 l
  • (ii)
    151461.54 l
  • (iii)
    160461.54 l
  • (iv)
    112461.54 l
  • (v)
    138461.54 l
Question 41
41.
40 labourers can cultivate a field in 45 days working 7 hr per day. How many more labourers are needed to cultivate double the field in 70 days working 9 hr per day ?
  • (i)
    0
  • (ii)
    (-1)
  • (iii)
    (-2)
  • (iv)
    3
  • (v)
    1
Question 42
42.
12 workers working 10 hr per day are paid ₹192000 for 20 days. How much has to be paid to 14 workers working 10 hr per day for 19 days ?
  • (i)
    ₹224800
  • (ii)
    ₹212800
  • (iii)
    ₹200800
  • (iv)
    ₹236800
  • (v)
    ₹207800
Question 43
43.
The air ticket charges for 35 persons for a flight is ₹256620, inclusive of ₹432 as airport tax per person. How much has to be paid if 20 persons drop out of the trip ?
  • (i)
    ₹109980
  • (ii)
    ₹102980
  • (iii)
    ₹125980
  • (iv)
    ₹97980
  • (v)
    ₹127980
Question 44
44.
The specification on a printer says that it prints 300 pages in 5 min. If 4200 pages have to be printed, how long will it take ?
  • (i)
    70 min
  • (ii)
    65 min
  • (iii)
    73 min
  • (iv)
    67 min
  • (v)
    75 min
Question 45
45.
18 gm of gold costs ₹46800. What is the cost of 40 gm ?
  • (i)
    ₹76000
  • (ii)
    ₹117000
  • (iii)
    ₹98000
  • (iv)
    ₹104000
  • (v)
    ₹130000
Question 46
46.
A banker gave foreign exchange of $15 for ₹900. How many dollars will the customer get for ₹1560 ?
  • (i)
    $26
  • (ii)
    $31
  • (iii)
    $21
  • (iv)
    $29
  • (v)
    $23
Question 47
47.
13 workers take 15 days to build a room. After working for 10 days, 8 workers left. In how many more days is the room built ?
  • (i)
    16.00 days
  • (ii)
    8.00 days
  • (iii)
    13.00 days
  • (iv)
    10.00 days
  • (v)
    18.00 days
Question 48
48.
    • A can do
    • 1

      2
    • of a particular work in
    • 6 days
    • .
    • B can do
    • 1

      12
    • of the same work in
    • 11 days
    • .
    • C can do
    • 1

      14
    • of the same work in
    • 13 days
    • .
    • If A, B and C work together, in how many days is the work completed ?
  • (i)
    10
    4

    15
    days
  • (ii)
    10
    74

    193
    days
  • (iii)
    10
    72

    193
    days
  • (iv)
    10
    70

    193
    days
  • (v)
    10
    92

    191
    days
Question 49
49.
A journey consists of three legs. First 54 km are travelled at a speed of 60 kmph. Next 140 km are travelled at a speed of 100 kmph. Last 33 km are travelled at a speed of 110 kmph. Find the total time taken to complete the journey.
  • (i)
    3
    1

    4
    hr
  • (ii)
    2
    4

    5
    hr
  • (iii)
    2
    1

    6
    hr
  • (iv)
    2
    3

    5
    hr
  • (v)
    2
    2

    5
    hr
Question 50
50.
In an eating contest, the eating capacities of A, B and C are 8 gm/sec, 9 gm/sec and 11 gm/sec respectively. If the amount of food to be eaten is 23.52 kg, in how much time is it consumed if all three participants start eating together ?
  • (i)
    16
    min
  • (ii)
    12
    min
  • (iii)
    14
    min
  • (iv)
    15
    min
  • (v)
    13
    min
Question 51
51.
In a certain exam, for every correct answer, 9 marks are added. For every wrong answer 6 marks are subtracted. A student attempted 46 questions and secured 339 marks. How many answers are correct and how many are wrong?
  • (i)
    43 correct and 3 wrong
  • (ii)
    41 correct and 5 wrong
  • (iii)
    40 correct and 6 wrong
  • (iv)
    42 correct and 4 wrong
  • (v)
    39 correct and 7 wrong
Question 52
52.
    • A production line consists of three stages to be completed serially.
    • Stage1 work can be done by
    • 9
    • workers in
    • 6 days
    • .
    • Stage2 work can be done by
    • 10
    • workers in
    • 8 days
    • .
    • Stage3 work can be done by
    • 15
    • workers in
    • 12 days
    • .
    • If
    • 9
    • ,
    • 5
    • and
    • 10
    • workers are hired to do
    • Stage1, Stage2 and Stage3 works respectively,
    • in how many days is the work completed ?
  • (i)
    40
    days
  • (ii)
    37
    days
  • (iii)
    43
    days
  • (iv)
    41
    days
  • (v)
    39
    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
      17
      30
      -
      40
      22
      40
      -
      80
      27
      80
      -
      remaining
      32
    • How much amount has to be paid if the consumption is
    • 18 kl
    • .
  • (i)
    ₹282
  • (ii)
    ₹303
  • (iii)
    ₹306
  • (iv)
    ₹318
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
      14
      20
      -
      60
      19
      60
      -
      70
      24
      70
      -
      remaining
      29
    • How much amount has to be paid if the consumption is
    • 41 kl
    • .
  • (i)
    ₹679
  • (ii)
    ₹675
  • (iii)
    ₹661
  • (iv)
    ₹692
  • (v)
    ₹686
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
      16
      20
      -
      40
      21
      40
      -
      70
      26
      70
      -
      remaining
      31
    • How much amount has to be paid if the consumption is
    • 63 kl
    • .
  • (i)
    ₹1278
  • (ii)
    ₹1198
  • (iii)
    ₹1368
  • (iv)
    ₹1338
  • (v)
    ₹1558
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
      20
      20
      -
      50
      25
      50
      -
      70
      30
      70
      -
      remaining
      35
    • How much amount has to be paid if the consumption is
    • 77 kl
    • .
  • (i)
    ₹1855
  • (ii)
    ₹2235
  • (iii)
    ₹1875
  • (iv)
    ₹2125
  • (v)
    ₹1995
    Assignment Key

  •  1) (iii)
  •  2) (i)
  •  3) (ii)
  •  4) (v)
  •  5) (i)
  •  6) (v)
  •  7) (iv)
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  •  10) (v)
  •  11) (iii)
  •  12) (ii)
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  •  15) (v)
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  •  20) (i)
  •  21) (iii)
  •  22) (iv)
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  •  26) (iv)
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  •  28) (ii)
  •  29) (v)
  •  30) (i)
  •  31) (ii)
  •  32) (ii)
  •  33) (ii)
  •  34) (iii)
  •  35) (iii)
  •  36) (ii)
  •  37) (v)
  •  38) (ii)
  •  39) (iv)
  •  40) (v)
  •  41) (i)
  •  42) (ii)
  •  43) (i)
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  •  45) (iv)
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  •  47) (iii)
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  •  51) (ii)
  •  52) (i)
  •  53) (iii)
  •  54) (i)
  •  55) (iv)
  •  56) (v)