Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 33 · 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 7 students for 8 days. How many days will the same food last for 4 students?
2. 2.A car goes 76 km on 4 litres of petrol. How far can it go on 18 litres (in km)?
3. 3.If 2 erasers cost ₹24, how much do 11 erasers cost (in ₹)?
4. 4.If 7 kites cost ₹133, how much do 19 kites cost (in ₹)?
5. 5.9 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
6. 6.If 3 pens cost ₹33, how much do 11 pens cost (in ₹)?
7. 7.A hostel has enough food for 12 students for 30 days. How many days will the same food last for 15 students?
8. 8.A car goes 252 km on 12 litres of petrol. How far can it go on 8 litres (in km)?
9. 9.If 7 kg of rice costs ₹483, how many kg can you buy for ₹828?
10. 10.A car goes 80 km on 8 litres of petrol. How far can it go on 27 litres (in km)?
11. 11.If 4 kg of rice costs ₹220, how many kg can you buy for ₹605?
12. 12.If 8 kg of rice costs ₹384, how many kg can you buy for ₹720?
13. 13.If 7 mangoes cost ₹266, how much do 13 mangoes cost (in ₹)?
14. 14.If 2 bottles of juice cost ₹80, how much do 16 bottles of juice cost (in ₹)?
15. 15.If 9 pens cost ₹369, how much do 8 pens cost (in ₹)?
16. 16.A car goes 240 km on 10 litres of petrol. How far can it go on 13 litres (in km)?
17. 17.A car goes 36 km on 4 litres of petrol. How far can it go on 6 litres (in km)?
18. 18.If 8 notebooks cost ₹24, how much do 12 notebooks cost (in ₹)?
19. 19.3 painters can paint a school in 18 days. How many days would 2 painters take, working at the same speed?
20. 20.If 8 kg of rice costs ₹328, how many kg can you buy for ₹205?
21. 21.If 11 kites cost ₹44, how much do 13 kites cost (in ₹)?
22. 22.A car goes 108 km on 9 litres of petrol. How far can it go on 40 litres (in km)?
23. 23.If 6 kg of rice costs ₹300, how many kg can you buy for ₹100?
24. 24.2 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
25. 25.A car goes 100 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
26. 26.A car goes 42 km on 3 litres of petrol. How far can it go on 10 litres (in km)?
27. 27.If 3 kg of rice costs ₹84, how many kg can you buy for ₹196?
28. 28.If 6 kg of rice costs ₹240, how many kg can you buy for ₹440?
29. 29.If 3 kg of rice costs ₹237, how many kg can you buy for ₹869?
30. 30.If 5 kg of rice costs ₹430, how many kg can you buy for ₹516?
31. 31.A car goes 126 km on 7 litres of petrol. How far can it go on 16 litres (in km)?
32. 32.If 8 kg of rice costs ₹688, how many kg can you buy for ₹516?
33. 33.A hostel has enough food for 9 students for 4 days. How many days will the same food last for 4 students?
34. 34.8 painters can paint a school in 12 days. How many days would 24 painters take, working at the same speed?
35. 35.If 5 kg of rice costs ₹300, how many kg can you buy for ₹120?
36. 36.A car goes 91 km on 7 litres of petrol. How far can it go on 21 litres (in km)?
37. 37.A car goes 165 km on 11 litres of petrol. How far can it go on 30 litres (in km)?
38. 38.If 3 cricket balls cost ₹42, how much do 2 cricket balls cost (in ₹)?
39. 39.4 painters can paint a school in 14 days. How many days would 2 painters take, working at the same speed?
40. 40.If 3 kg of rice costs ₹207, how many kg can you buy for ₹759?

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