Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 83 · 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 6 students for 29 days. How many days will the same food last for 3 students?
2. 2.4 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
3. 3.If 7 kites cost ₹378, how much do 3 kites cost (in ₹)?
4. 4.If 8 mangoes cost ₹48, how much do 15 mangoes cost (in ₹)?
5. 5.If 4 kg of rice costs ₹128, how many kg can you buy for ₹160?
6. 6.A car goes 22 km on 2 litres of petrol. How far can it go on 40 litres (in km)?
7. 7.A car goes 144 km on 9 litres of petrol. How far can it go on 2 litres (in km)?
8. 8.A car goes 130 km on 10 litres of petrol. How far can it go on 18 litres (in km)?
9. 9.A car goes 170 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
10. 10.A hostel has enough food for 8 students for 8 days. How many days will the same food last for 2 students?
11. 11.If 2 cricket balls cost ₹78, how much do 10 cricket balls cost (in ₹)?
12. 12.12 painters can paint a school in 28 days. How many days would 6 painters take, working at the same speed?
13. 13.If 9 erasers cost ₹198, how much do 11 erasers cost (in ₹)?
14. 14.If 3 mangoes cost ₹27, how much do 15 mangoes cost (in ₹)?
15. 15.If 10 kites cost ₹210, how much do 16 kites cost (in ₹)?
16. 16.2 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
17. 17.If 9 kg of rice costs ₹207, how many kg can you buy for ₹69?
18. 18.A car goes 36 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
19. 19.If 4 kites cost ₹200, how much do 11 kites cost (in ₹)?
20. 20.If 6 kites cost ₹240, how much do 7 kites cost (in ₹)?
21. 21.8 painters can paint a school in 6 days. How many days would 12 painters take, working at the same speed?
22. 22.A hostel has enough food for 7 students for 11 days. How many days will the same food last for 11 students?
23. 23.A car goes 140 km on 10 litres of petrol. How far can it go on 31 litres (in km)?
24. 24.A car goes 110 km on 5 litres of petrol. How far can it go on 22 litres (in km)?
25. 25.If 2 kg of rice costs ₹118, how many kg can you buy for ₹295?
26. 26.A car goes 76 km on 4 litres of petrol. How far can it go on 17 litres (in km)?
27. 27.5 painters can paint a school in 30 days. How many days would 3 painters take, working at the same speed?
28. 28.If 2 pens cost ₹88, how much do 14 pens cost (in ₹)?
29. 29.A car goes 72 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
30. 30.A car goes 200 km on 8 litres of petrol. How far can it go on 26 litres (in km)?
31. 31.If 12 pens cost ₹408, how much do 9 pens cost (in ₹)?
32. 32.A car goes 50 km on 2 litres of petrol. How far can it go on 8 litres (in km)?
33. 33.A car goes 114 km on 6 litres of petrol. How far can it go on 7 litres (in km)?
34. 34.If 6 notebooks cost ₹138, how much do 14 notebooks cost (in ₹)?
35. 35.A car goes 60 km on 6 litres of petrol. How far can it go on 24 litres (in km)?
36. 36.2 painters can paint a school in 8 days. How many days would 8 painters take, working at the same speed?
37. 37.A car goes 144 km on 6 litres of petrol. How far can it go on 32 litres (in km)?
38. 38.If 2 cricket balls cost ₹8, how much do 3 cricket balls cost (in ₹)?
39. 39.12 painters can paint a school in 26 days. How many days would 6 painters take, working at the same speed?
40. 40.If 5 erasers cost ₹75, how much do 15 erasers cost (in ₹)?

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