Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 367 · 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 2 cricket balls cost ₹76, how much do 9 cricket balls cost (in ₹)?
2. 2.If 9 kites cost ₹378, how much do 10 kites cost (in ₹)?
3. 3.A car goes 88 km on 11 litres of petrol. How far can it go on 12 litres (in km)?
4. 4.A hostel has enough food for 9 students for 30 days. How many days will the same food last for 18 students?
5. 5.If 10 erasers cost ₹300, how much do 9 erasers cost (in ₹)?
6. 6.If 5 pencil boxes cost ₹145, how much do 18 pencil boxes cost (in ₹)?
7. 7.A car goes 192 km on 12 litres of petrol. How far can it go on 8 litres (in km)?
8. 8.A hostel has enough food for 2 students for 14 days. How many days will the same food last for 7 students?
9. 9.A car goes 120 km on 6 litres of petrol. How far can it go on 24 litres (in km)?
10. 10.10 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
11. 11.A hostel has enough food for 3 students for 26 days. How many days will the same food last for 2 students?
12. 12.If 7 kg of rice costs ₹546, how many kg can you buy for ₹468?
13. 13.9 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
14. 14.If 9 kg of rice costs ₹270, how many kg can you buy for ₹60?
15. 15.If 3 mangoes cost ₹150, how much do 10 mangoes cost (in ₹)?
16. 16.3 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
17. 17.A car goes 165 km on 11 litres of petrol. How far can it go on 36 litres (in km)?
18. 18.10 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
19. 19.A car goes 36 km on 4 litres of petrol. How far can it go on 34 litres (in km)?
20. 20.If 6 erasers cost ₹30, how much do 9 erasers cost (in ₹)?
21. 21.If 12 erasers cost ₹84, how much do 10 erasers cost (in ₹)?
22. 22.A hostel has enough food for 7 students for 6 days. How many days will the same food last for 14 students?
23. 23.A car goes 63 km on 3 litres of petrol. How far can it go on 12 litres (in km)?
24. 24.A hostel has enough food for 3 students for 25 days. How many days will the same food last for 5 students?
25. 25.12 painters can paint a school in 28 days. How many days would 21 painters take, working at the same speed?
26. 26.If 2 cricket balls cost ₹36, how much do 14 cricket balls cost (in ₹)?
27. 27.A car goes 48 km on 2 litres of petrol. How far can it go on 38 litres (in km)?
28. 28.A hostel has enough food for 12 students for 25 days. How many days will the same food last for 20 students?
29. 29.A car goes 84 km on 7 litres of petrol. How far can it go on 17 litres (in km)?
30. 30.A hostel has enough food for 6 students for 14 days. How many days will the same food last for 3 students?
31. 31.A car goes 144 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
32. 32.If 8 kg of rice costs ₹504, how many kg can you buy for ₹189?
33. 33.If 11 pens cost ₹198, how much do 12 pens cost (in ₹)?
34. 34.A car goes 133 km on 7 litres of petrol. How far can it go on 12 litres (in km)?
35. 35.A car goes 209 km on 11 litres of petrol. How far can it go on 38 litres (in km)?
36. 36.If 10 kites cost ₹540, how much do 16 kites cost (in ₹)?
37. 37.If 4 cricket balls cost ₹36, how much do 19 cricket balls cost (in ₹)?
38. 38.If 7 cricket balls cost ₹231, how much do 9 cricket balls cost (in ₹)?
39. 39.A car goes 42 km on 3 litres of petrol. How far can it go on 37 litres (in km)?
40. 40.A hostel has enough food for 2 students for 12 days. How many days will the same food last for 4 students?

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