Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 538 · 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 9 students for 4 days. How many days will the same food last for 12 students?
2. 2.7 painters can paint a school in 28 days. How many days would 14 painters take, working at the same speed?
3. 3.A car goes 60 km on 5 litres of petrol. How far can it go on 27 litres (in km)?
4. 4.If 4 cricket balls cost ₹80, how much do 15 cricket balls cost (in ₹)?
5. 5.If 4 kg of rice costs ₹316, how many kg can you buy for ₹237?
6. 6.If 12 mangoes cost ₹192, how much do 20 mangoes cost (in ₹)?
7. 7.A car goes 133 km on 7 litres of petrol. How far can it go on 21 litres (in km)?
8. 8.A car goes 126 km on 6 litres of petrol. How far can it go on 30 litres (in km)?
9. 9.A car goes 253 km on 11 litres of petrol. How far can it go on 18 litres (in km)?
10. 10.If 3 kg of rice costs ₹267, how many kg can you buy for ₹1157?
11. 11.7 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
12. 12.A hostel has enough food for 4 students for 10 days. How many days will the same food last for 8 students?
13. 13.If 6 kg of rice costs ₹366, how many kg can you buy for ₹244?
14. 14.A car goes 88 km on 4 litres of petrol. How far can it go on 12 litres (in km)?
15. 15.If 7 kg of rice costs ₹378, how many kg can you buy for ₹540?
16. 16.8 painters can paint a school in 22 days. How many days would 4 painters take, working at the same speed?
17. 17.If 2 notebooks cost ₹18, how much do 6 notebooks cost (in ₹)?
18. 18.If 3 mangoes cost ₹81, how much do 16 mangoes cost (in ₹)?
19. 19.4 painters can paint a school in 17 days. How many days would 2 painters take, working at the same speed?
20. 20.If 3 kg of rice costs ₹96, how many kg can you buy for ₹320?
21. 21.A car goes 209 km on 11 litres of petrol. How far can it go on 13 litres (in km)?
22. 22.If 3 kg of rice costs ₹90, how many kg can you buy for ₹390?
23. 23.A hostel has enough food for 5 students for 8 days. How many days will the same food last for 4 students?
24. 24.A hostel has enough food for 8 students for 29 days. How many days will the same food last for 4 students?
25. 25.If 8 kg of rice costs ₹656, how many kg can you buy for ₹1148?
26. 26.If 4 notebooks cost ₹88, how much do 3 notebooks cost (in ₹)?
27. 27.A car goes 110 km on 10 litres of petrol. How far can it go on 39 litres (in km)?
28. 28.If 6 kg of rice costs ₹156, how many kg can you buy for ₹312?
29. 29.A car goes 16 km on 2 litres of petrol. How far can it go on 21 litres (in km)?
30. 30.If 7 kg of rice costs ₹357, how many kg can you buy for ₹306?
31. 31.A car goes 60 km on 3 litres of petrol. How far can it go on 37 litres (in km)?
32. 32.If 5 mangoes cost ₹180, how much do 17 mangoes cost (in ₹)?
33. 33.If 11 cricket balls cost ₹187, how much do 16 cricket balls cost (in ₹)?
34. 34.If 8 kg of rice costs ₹440, how many kg can you buy for ₹385?
35. 35.A car goes 190 km on 10 litres of petrol. How far can it go on 20 litres (in km)?
36. 36.If 4 kg of rice costs ₹280, how many kg can you buy for ₹770?
37. 37.If 3 kg of rice costs ₹219, how many kg can you buy for ₹584?
38. 38.If 9 kg of rice costs ₹801, how many kg can you buy for ₹1335?
39. 39.If 7 kg of rice costs ₹231, how many kg can you buy for ₹363?
40. 40.A car goes 168 km on 8 litres of petrol. How far can it go on 34 litres (in km)?

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