Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 424 · 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 12 students for 15 days. How many days will the same food last for 5 students?
2. 2.A hostel has enough food for 6 students for 6 days. How many days will the same food last for 9 students?
3. 3.If 9 pens cost ₹99, how much do 7 pens cost (in ₹)?
4. 4.If 4 kg of rice costs ₹256, how many kg can you buy for ₹960?
5. 5.If 10 bottles of juice cost ₹170, how much do 11 bottles of juice cost (in ₹)?
6. 6.If 2 kg of rice costs ₹156, how many kg can you buy for ₹1092?
7. 7.A car goes 187 km on 11 litres of petrol. How far can it go on 16 litres (in km)?
8. 8.If 4 kg of rice costs ₹276, how many kg can you buy for ₹345?
9. 9.10 painters can paint a school in 15 days. How many days would 3 painters take, working at the same speed?
10. 10.10 painters can paint a school in 24 days. How many days would 12 painters take, working at the same speed?
11. 11.If 10 bottles of juice cost ₹540, how much do 17 bottles of juice cost (in ₹)?
12. 12.6 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
13. 13.If 4 kg of rice costs ₹360, how many kg can you buy for ₹270?
14. 14.If 2 mangoes cost ₹8, how much do 11 mangoes cost (in ₹)?
15. 15.If 5 kg of rice costs ₹145, how many kg can you buy for ₹232?
16. 16.If 2 kg of rice costs ₹56, how many kg can you buy for ₹280?
17. 17.If 4 kg of rice costs ₹220, how many kg can you buy for ₹715?
18. 18.If 3 pens cost ₹171, how much do 7 pens cost (in ₹)?
19. 19.10 painters can paint a school in 30 days. How many days would 20 painters take, working at the same speed?
20. 20.A car goes 220 km on 10 litres of petrol. How far can it go on 13 litres (in km)?
21. 21.If 5 pencil boxes cost ₹135, how much do 16 pencil boxes cost (in ₹)?
22. 22.A car goes 90 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
23. 23.A car goes 150 km on 6 litres of petrol. How far can it go on 13 litres (in km)?
24. 24.A car goes 189 km on 9 litres of petrol. How far can it go on 10 litres (in km)?
25. 25.7 painters can paint a school in 26 days. How many days would 14 painters take, working at the same speed?
26. 26.If 2 kg of rice costs ₹54, how many kg can you buy for ₹270?
27. 27.A car goes 60 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
28. 28.A car goes 50 km on 5 litres of petrol. How far can it go on 36 litres (in km)?
29. 29.A car goes 80 km on 10 litres of petrol. How far can it go on 25 litres (in km)?
30. 30.If 6 kg of rice costs ₹312, how many kg can you buy for ₹364?
31. 31.A hostel has enough food for 4 students for 6 days. How many days will the same food last for 6 students?
32. 32.A hostel has enough food for 8 students for 25 days. How many days will the same food last for 5 students?
33. 33.A car goes 230 km on 10 litres of petrol. How far can it go on 26 litres (in km)?
34. 34.A car goes 108 km on 9 litres of petrol. How far can it go on 40 litres (in km)?
35. 35.If 8 kg of rice costs ₹264, how many kg can you buy for ₹363?
36. 36.If 9 kg of rice costs ₹729, how many kg can you buy for ₹1215?
37. 37.8 painters can paint a school in 7 days. How many days would 14 painters take, working at the same speed?
38. 38.9 painters can paint a school in 20 days. How many days would 5 painters take, working at the same speed?
39. 39.2 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
40. 40.If 12 mangoes cost ₹252, how much do 5 mangoes cost (in ₹)?

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