Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 398 · 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 5 pens cost ₹200, how much do 4 pens cost (in ₹)?
2. 2.A car goes 96 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
3. 3.If 4 bottles of juice cost ₹64, how much do 5 bottles of juice cost (in ₹)?
4. 4.A car goes 98 km on 7 litres of petrol. How far can it go on 36 litres (in km)?
5. 5.If 2 kg of rice costs ₹160, how many kg can you buy for ₹1040?
6. 6.A car goes 132 km on 11 litres of petrol. How far can it go on 31 litres (in km)?
7. 7.If 8 kg of rice costs ₹176, how many kg can you buy for ₹88?
8. 8.9 painters can paint a school in 20 days. How many days would 3 painters take, working at the same speed?
9. 9.If 6 kg of rice costs ₹486, how many kg can you buy for ₹567?
10. 10.If 9 kg of rice costs ₹684, how many kg can you buy for ₹380?
11. 11.2 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
12. 12.A hostel has enough food for 5 students for 11 days. How many days will the same food last for 11 students?
13. 13.A hostel has enough food for 4 students for 28 days. How many days will the same food last for 7 students?
14. 14.If 6 kites cost ₹306, how much do 18 kites cost (in ₹)?
15. 15.A car goes 76 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
16. 16.If 4 pencil boxes cost ₹88, how much do 13 pencil boxes cost (in ₹)?
17. 17.If 3 kg of rice costs ₹99, how many kg can you buy for ₹429?
18. 18.5 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
19. 19.A car goes 34 km on 2 litres of petrol. How far can it go on 27 litres (in km)?
20. 20.If 8 erasers cost ₹336, how much do 20 erasers cost (in ₹)?
21. 21.2 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
22. 22.If 12 erasers cost ₹144, how much do 19 erasers cost (in ₹)?
23. 23.If 9 cricket balls cost ₹252, how much do 16 cricket balls cost (in ₹)?
24. 24.If 9 kg of rice costs ₹333, how many kg can you buy for ₹444?
25. 25.If 12 erasers cost ₹708, how much do 16 erasers cost (in ₹)?
26. 26.If 5 kg of rice costs ₹400, how many kg can you buy for ₹480?
27. 27.A car goes 288 km on 12 litres of petrol. How far can it go on 7 litres (in km)?
28. 28.A car goes 81 km on 9 litres of petrol. How far can it go on 5 litres (in km)?
29. 29.A car goes 64 km on 4 litres of petrol. How far can it go on 10 litres (in km)?
30. 30.10 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
31. 31.A car goes 144 km on 9 litres of petrol. How far can it go on 27 litres (in km)?
32. 32.If 5 kg of rice costs ₹120, how many kg can you buy for ₹192?
33. 33.If 5 kg of rice costs ₹265, how many kg can you buy for ₹583?
34. 34.A hostel has enough food for 4 students for 13 days. How many days will the same food last for 2 students?
35. 35.A car goes 44 km on 2 litres of petrol. How far can it go on 16 litres (in km)?
36. 36.9 painters can paint a school in 10 days. How many days would 18 painters take, working at the same speed?
37. 37.A car goes 105 km on 7 litres of petrol. How far can it go on 37 litres (in km)?
38. 38.7 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
39. 39.A car goes 100 km on 4 litres of petrol. How far can it go on 6 litres (in km)?
40. 40.12 painters can paint a school in 16 days. How many days would 24 painters take, working at the same speed?

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