Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 492 · 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.If 10 notebooks cost ₹220, how much do 16 notebooks cost (in ₹)?
2. 2.If 10 mangoes cost ₹50, how much do 19 mangoes cost (in ₹)?
3. 3.A hostel has enough food for 10 students for 7 days. How many days will the same food last for 5 students?
4. 4.A car goes 110 km on 10 litres of petrol. How far can it go on 15 litres (in km)?
5. 5.A hostel has enough food for 7 students for 9 days. How many days will the same food last for 9 students?
6. 6.If 11 erasers cost ₹132, how much do 6 erasers cost (in ₹)?
7. 7.A hostel has enough food for 6 students for 27 days. How many days will the same food last for 3 students?
8. 8.If 7 erasers cost ₹308, how much do 13 erasers cost (in ₹)?
9. 9.8 painters can paint a school in 10 days. How many days would 4 painters take, working at the same speed?
10. 10.A hostel has enough food for 2 students for 5 days. How many days will the same food last for 5 students?
11. 11.If 3 bottles of juice cost ₹36, how much do 15 bottles of juice cost (in ₹)?
12. 12.If 6 kg of rice costs ₹288, how many kg can you buy for ₹144?
13. 13.A car goes 40 km on 2 litres of petrol. How far can it go on 25 litres (in km)?
14. 14.If 9 pens cost ₹477, how much do 10 pens cost (in ₹)?
15. 15.A car goes 72 km on 6 litres of petrol. How far can it go on 17 litres (in km)?
16. 16.A car goes 144 km on 12 litres of petrol. How far can it go on 33 litres (in km)?
17. 17.A car goes 120 km on 12 litres of petrol. How far can it go on 5 litres (in km)?
18. 18.A car goes 45 km on 3 litres of petrol. How far can it go on 23 litres (in km)?
19. 19.If 5 kg of rice costs ₹360, how many kg can you buy for ₹720?
20. 20.If 3 kg of rice costs ₹60, how many kg can you buy for ₹220?
21. 21.A hostel has enough food for 4 students for 12 days. How many days will the same food last for 12 students?
22. 22.If 7 erasers cost ₹273, how much do 4 erasers cost (in ₹)?
23. 23.If 3 kg of rice costs ₹204, how many kg can you buy for ₹748?
24. 24.A car goes 88 km on 8 litres of petrol. How far can it go on 34 litres (in km)?
25. 25.If 5 notebooks cost ₹35, how much do 18 notebooks cost (in ₹)?
26. 26.A hostel has enough food for 10 students for 22 days. How many days will the same food last for 20 students?
27. 27.A car goes 60 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
28. 28.A hostel has enough food for 3 students for 24 days. How many days will the same food last for 12 students?
29. 29.If 4 notebooks cost ₹28, how much do 16 notebooks cost (in ₹)?
30. 30.A car goes 99 km on 9 litres of petrol. How far can it go on 27 litres (in km)?
31. 31.If 9 kg of rice costs ₹711, how many kg can you buy for ₹1106?
32. 32.A car goes 30 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
33. 33.A car goes 143 km on 11 litres of petrol. How far can it go on 20 litres (in km)?
34. 34.A car goes 192 km on 12 litres of petrol. How far can it go on 34 litres (in km)?
35. 35.A car goes 60 km on 3 litres of petrol. How far can it go on 9 litres (in km)?
36. 36.8 painters can paint a school in 21 days. How many days would 14 painters take, working at the same speed?
37. 37.A car goes 160 km on 8 litres of petrol. How far can it go on 40 litres (in km)?
38. 38.If 6 kg of rice costs ₹306, how many kg can you buy for ₹357?
39. 39.A car goes 144 km on 12 litres of petrol. How far can it go on 39 litres (in km)?
40. 40.If 5 cricket balls cost ₹90, how much do 16 cricket balls cost (in ₹)?

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