Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 71 · 40 questions

The method (Go through one): Find the value of one: divide. Multiply by the number you need. Inverse (more workers → fewer days): multiply first to find the total work, then divide.

1. 1.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 20 students?
2. 2.If 6 pens cost ₹24, how much do 15 pens cost (in ₹)?
3. 3.If 7 kg of rice costs ₹462, how many kg can you buy for ₹396?
4. 4.2 painters can paint a school in 26 days. How many days would 4 painters take, working at the same speed?
5. 5.If 2 kg of rice costs ₹84, how many kg can you buy for ₹504?
6. 6.If 2 kg of rice costs ₹66, how many kg can you buy for ₹297?
7. 7.If 3 mangoes cost ₹180, how much do 7 mangoes cost (in ₹)?
8. 8.If 5 kg of rice costs ₹440, how many kg can you buy for ₹1232?
9. 9.A hostel has enough food for 4 students for 7 days. How many days will the same food last for 2 students?
10. 10.6 painters can paint a school in 24 days. How many days would 3 painters take, working at the same speed?
11. 11.A hostel has enough food for 4 students for 29 days. How many days will the same food last for 2 students?
12. 12.If 7 bottles of juice cost ₹203, how much do 8 bottles of juice cost (in ₹)?
13. 13.If 7 kg of rice costs ₹385, how many kg can you buy for ₹220?
14. 14.If 3 kites cost ₹30, how much do 5 kites cost (in ₹)?
15. 15.If 2 erasers cost ₹32, how much do 16 erasers cost (in ₹)?
16. 16.A car goes 28 km on 2 litres of petrol. How far can it go on 35 litres (in km)?
17. 17.11 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
18. 18.A hostel has enough food for 2 students for 7 days. How many days will the same food last for 7 students?
19. 19.A car goes 91 km on 7 litres of petrol. How far can it go on 13 litres (in km)?
20. 20.A car goes 126 km on 7 litres of petrol. How far can it go on 35 litres (in km)?
21. 21.If 8 bottles of juice cost ₹80, how much do 3 bottles of juice cost (in ₹)?
22. 22.A car goes 66 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
23. 23.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 3 students?
24. 24.5 painters can paint a school in 24 days. How many days would 12 painters take, working at the same speed?
25. 25.If 2 kg of rice costs ₹104, how many kg can you buy for ₹624?
26. 26.6 painters can paint a school in 25 days. How many days would 15 painters take, working at the same speed?
27. 27.A hostel has enough food for 9 students for 16 days. How many days will the same food last for 6 students?
28. 28.If 7 kg of rice costs ₹301, how many kg can you buy for ₹559?
29. 29.If 10 mangoes cost ₹120, how much do 13 mangoes cost (in ₹)?
30. 30.If 9 kg of rice costs ₹621, how many kg can you buy for ₹897?
31. 31.A car goes 48 km on 2 litres of petrol. How far can it go on 21 litres (in km)?
32. 32.If 7 kg of rice costs ₹427, how many kg can you buy for ₹671?
33. 33.A car goes 32 km on 2 litres of petrol. How far can it go on 15 litres (in km)?
34. 34.If 6 kg of rice costs ₹324, how many kg can you buy for ₹270?
35. 35.If 5 kg of rice costs ₹175, how many kg can you buy for ₹525?
36. 36.If 4 mangoes cost ₹112, how much do 3 mangoes cost (in ₹)?
37. 37.A hostel has enough food for 8 students for 11 days. How many days will the same food last for 22 students?
38. 38.If 8 kg of rice costs ₹464, how many kg can you buy for ₹812?
39. 39.A car goes 192 km on 8 litres of petrol. How far can it go on 40 litres (in km)?
40. 40.If 3 kg of rice costs ₹252, how many kg can you buy for ₹1176?

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