Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 95 · 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 3 students for 7 days. How many days will the same food last for 7 students?
2. 2.If 3 kg of rice costs ₹171, how many kg can you buy for ₹285?
3. 3.If 6 pencil boxes cost ₹102, how much do 5 pencil boxes cost (in ₹)?
4. 4.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
5. 5.8 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
6. 6.If 4 kg of rice costs ₹324, how many kg can you buy for ₹972?
7. 7.A car goes 77 km on 7 litres of petrol. How far can it go on 38 litres (in km)?
8. 8.A car goes 30 km on 3 litres of petrol. How far can it go on 28 litres (in km)?
9. 9.A car goes 160 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
10. 10.A hostel has enough food for 9 students for 20 days. How many days will the same food last for 5 students?
11. 11.8 painters can paint a school in 9 days. How many days would 18 painters take, working at the same speed?
12. 12.A car goes 300 km on 12 litres of petrol. How far can it go on 4 litres (in km)?
13. 13.If 5 kites cost ₹55, how much do 15 kites cost (in ₹)?
14. 14.A car goes 250 km on 10 litres of petrol. How far can it go on 17 litres (in km)?
15. 15.A hostel has enough food for 9 students for 15 days. How many days will the same food last for 5 students?
16. 16.If 5 kg of rice costs ₹265, how many kg can you buy for ₹477?
17. 17.If 5 kg of rice costs ₹235, how many kg can you buy for ₹470?
18. 18.If 4 kg of rice costs ₹272, how many kg can you buy for ₹544?
19. 19.If 3 kg of rice costs ₹153, how many kg can you buy for ₹765?
20. 20.If 7 erasers cost ₹343, how much do 6 erasers cost (in ₹)?
21. 21.A car goes 150 km on 6 litres of petrol. How far can it go on 26 litres (in km)?
22. 22.A car goes 88 km on 11 litres of petrol. How far can it go on 32 litres (in km)?
23. 23.10 painters can paint a school in 18 days. How many days would 15 painters take, working at the same speed?
24. 24.A car goes 72 km on 9 litres of petrol. How far can it go on 29 litres (in km)?
25. 25.If 11 erasers cost ₹407, how much do 20 erasers cost (in ₹)?
26. 26.A car goes 34 km on 2 litres of petrol. How far can it go on 6 litres (in km)?
27. 27.If 9 kg of rice costs ₹522, how many kg can you buy for ₹812?
28. 28.If 2 kg of rice costs ₹158, how many kg can you buy for ₹1185?
29. 29.A car goes 63 km on 7 litres of petrol. How far can it go on 38 litres (in km)?
30. 30.If 9 pencil boxes cost ₹432, how much do 20 pencil boxes cost (in ₹)?
31. 31.If 4 kites cost ₹104, how much do 2 kites cost (in ₹)?
32. 32.If 5 mangoes cost ₹265, how much do 10 mangoes cost (in ₹)?
33. 33.A hostel has enough food for 7 students for 4 days. How many days will the same food last for 2 students?
34. 34.2 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
35. 35.4 painters can paint a school in 25 days. How many days would 20 painters take, working at the same speed?
36. 36.A car goes 140 km on 7 litres of petrol. How far can it go on 25 litres (in km)?
37. 37.If 4 pencil boxes cost ₹200, how much do 17 pencil boxes cost (in ₹)?
38. 38.A hostel has enough food for 9 students for 24 days. How many days will the same food last for 12 students?
39. 39.A car goes 69 km on 3 litres of petrol. How far can it go on 20 litres (in km)?
40. 40.If 5 kg of rice costs ₹115, how many kg can you buy for ₹92?

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