Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 268 · 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 8 students for 16 days. How many days will the same food last for 16 students?
2. 2.If 7 kg of rice costs ₹308, how many kg can you buy for ₹220?
3. 3.If 6 kg of rice costs ₹138, how many kg can you buy for ₹207?
4. 4.If 9 mangoes cost ₹306, how much do 8 mangoes cost (in ₹)?
5. 5.4 painters can paint a school in 30 days. How many days would 20 painters take, working at the same speed?
6. 6.If 5 kg of rice costs ₹140, how many kg can you buy for ₹56?
7. 7.A hostel has enough food for 5 students for 30 days. How many days will the same food last for 10 students?
8. 8.If 10 pens cost ₹520, how much do 11 pens cost (in ₹)?
9. 9.A car goes 40 km on 2 litres of petrol. How far can it go on 23 litres (in km)?
10. 10.3 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
11. 11.7 painters can paint a school in 6 days. How many days would 14 painters take, working at the same speed?
12. 12.If 11 bottles of juice cost ₹110, how much do 20 bottles of juice cost (in ₹)?
13. 13.If 6 cricket balls cost ₹30, how much do 13 cricket balls cost (in ₹)?
14. 14.A car goes 52 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
15. 15.A car goes 48 km on 3 litres of petrol. How far can it go on 40 litres (in km)?
16. 16.A car goes 105 km on 5 litres of petrol. How far can it go on 20 litres (in km)?
17. 17.If 9 kg of rice costs ₹288, how many kg can you buy for ₹416?
18. 18.A car goes 84 km on 7 litres of petrol. How far can it go on 39 litres (in km)?
19. 19.A car goes 80 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
20. 20.If 8 kites cost ₹80, how much do 15 kites cost (in ₹)?
21. 21.A car goes 240 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
22. 22.If 2 cricket balls cost ₹14, how much do 15 cricket balls cost (in ₹)?
23. 23.A car goes 51 km on 3 litres of petrol. How far can it go on 25 litres (in km)?
24. 24.If 7 kg of rice costs ₹182, how many kg can you buy for ₹338?
25. 25.If 4 kg of rice costs ₹104, how many kg can you buy for ₹234?
26. 26.A car goes 115 km on 5 litres of petrol. How far can it go on 3 litres (in km)?
27. 27.If 7 pencil boxes cost ₹259, how much do 20 pencil boxes cost (in ₹)?
28. 28.If 7 mangoes cost ₹231, how much do 20 mangoes cost (in ₹)?
29. 29.A hostel has enough food for 5 students for 21 days. How many days will the same food last for 15 students?
30. 30.If 3 kg of rice costs ₹102, how many kg can you buy for ₹476?
31. 31.If 6 kg of rice costs ₹126, how many kg can you buy for ₹63?
32. 32.A car goes 160 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
33. 33.A car goes 75 km on 5 litres of petrol. How far can it go on 11 litres (in km)?
34. 34.If 8 cricket balls cost ₹56, how much do 17 cricket balls cost (in ₹)?
35. 35.If 5 notebooks cost ₹230, how much do 2 notebooks cost (in ₹)?
36. 36.If 2 notebooks cost ₹74, how much do 13 notebooks cost (in ₹)?
37. 37.If 4 bottles of juice cost ₹36, how much do 14 bottles of juice cost (in ₹)?
38. 38.A hostel has enough food for 4 students for 17 days. How many days will the same food last for 2 students?
39. 39.A car goes 189 km on 9 litres of petrol. How far can it go on 39 litres (in km)?
40. 40.If 3 mangoes cost ₹39, how much do 17 mangoes cost (in ₹)?

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