Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 200 · 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 6 kg of rice costs ₹408, how many kg can you buy for ₹680?
2. 2.A hostel has enough food for 11 students for 8 days. How many days will the same food last for 22 students?
3. 3.If 8 erasers cost ₹400, how much do 10 erasers cost (in ₹)?
4. 4.A hostel has enough food for 3 students for 18 days. How many days will the same food last for 2 students?
5. 5.If 7 pens cost ₹161, how much do 5 pens cost (in ₹)?
6. 6.A car goes 100 km on 5 litres of petrol. How far can it go on 37 litres (in km)?
7. 7.A car goes 135 km on 9 litres of petrol. How far can it go on 34 litres (in km)?
8. 8.If 2 kg of rice costs ₹130, how many kg can you buy for ₹325?
9. 9.If 12 cricket balls cost ₹708, how much do 2 cricket balls cost (in ₹)?
10. 10.If 9 kg of rice costs ₹378, how many kg can you buy for ₹84?
11. 11.2 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
12. 12.If 10 pens cost ₹520, how much do 17 pens cost (in ₹)?
13. 13.A car goes 165 km on 11 litres of petrol. How far can it go on 20 litres (in km)?
14. 14.6 painters can paint a school in 13 days. How many days would 3 painters take, working at the same speed?
15. 15.If 2 kg of rice costs ₹138, how many kg can you buy for ₹897?
16. 16.A car goes 114 km on 6 litres of petrol. How far can it go on 15 litres (in km)?
17. 17.A car goes 126 km on 6 litres of petrol. How far can it go on 40 litres (in km)?
18. 18.A hostel has enough food for 12 students for 11 days. How many days will the same food last for 22 students?
19. 19.If 2 kg of rice costs ₹146, how many kg can you buy for ₹876?
20. 20.A car goes 88 km on 8 litres of petrol. How far can it go on 26 litres (in km)?
21. 21.A car goes 64 km on 4 litres of petrol. How far can it go on 5 litres (in km)?
22. 22.A car goes 50 km on 2 litres of petrol. How far can it go on 33 litres (in km)?
23. 23.11 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
24. 24.If 2 erasers cost ₹76, how much do 4 erasers cost (in ₹)?
25. 25.A hostel has enough food for 9 students for 6 days. How many days will the same food last for 2 students?
26. 26.If 4 mangoes cost ₹48, how much do 20 mangoes cost (in ₹)?
27. 27.A hostel has enough food for 11 students for 9 days. How many days will the same food last for 3 students?
28. 28.If 2 notebooks cost ₹58, how much do 6 notebooks cost (in ₹)?
29. 29.If 10 kites cost ₹270, how much do 16 kites cost (in ₹)?
30. 30.If 9 pens cost ₹387, how much do 16 pens cost (in ₹)?
31. 31.A hostel has enough food for 10 students for 16 days. How many days will the same food last for 5 students?
32. 32.A car goes 135 km on 9 litres of petrol. How far can it go on 35 litres (in km)?
33. 33.A car goes 48 km on 3 litres of petrol. How far can it go on 34 litres (in km)?
34. 34.A hostel has enough food for 6 students for 13 days. How many days will the same food last for 13 students?
35. 35.If 8 kg of rice costs ₹504, how many kg can you buy for ₹315?
36. 36.A car goes 276 km on 12 litres of petrol. How far can it go on 34 litres (in km)?
37. 37.If 10 kites cost ₹480, how much do 19 kites cost (in ₹)?
38. 38.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 3 students?
39. 39.If 8 kg of rice costs ₹392, how many kg can you buy for ₹441?
40. 40.A car goes 42 km on 2 litres of petrol. How far can it go on 35 litres (in km)?

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