Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 93 · 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. 1.6 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
2. 2.2 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
3. 3.If 5 erasers cost ₹145, how much do 2 erasers cost (in ₹)?
4. 4.A car goes 126 km on 7 litres of petrol. How far can it go on 34 litres (in km)?
5. 5.If 11 pens cost ₹616, how much do 3 pens cost (in ₹)?
6. 6.If 7 kg of rice costs ₹224, how many kg can you buy for ₹288?
7. 7.A hostel has enough food for 11 students for 16 days. How many days will the same food last for 8 students?
8. 8.If 7 pens cost ₹63, how much do 20 pens cost (in ₹)?
9. 9.A car goes 36 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
10. 10.If 4 kg of rice costs ₹256, how many kg can you buy for ₹768?
11. 11.If 2 kg of rice costs ₹142, how many kg can you buy for ₹710?
12. 12.A car goes 48 km on 2 litres of petrol. How far can it go on 18 litres (in km)?
13. 13.If 7 kg of rice costs ₹623, how many kg can you buy for ₹1068?
14. 14.A car goes 24 km on 2 litres of petrol. How far can it go on 18 litres (in km)?
15. 15.If 10 kites cost ₹180, how much do 12 kites cost (in ₹)?
16. 16.If 6 kites cost ₹162, how much do 9 kites cost (in ₹)?
17. 17.If 3 notebooks cost ₹12, how much do 10 notebooks cost (in ₹)?
18. 18.9 painters can paint a school in 13 days. How many days would 3 painters take, working at the same speed?
19. 19.If 11 cricket balls cost ₹275, how much do 3 cricket balls cost (in ₹)?
20. 20.If 3 kg of rice costs ₹180, how many kg can you buy for ₹780?
21. 21.A hostel has enough food for 10 students for 22 days. How many days will the same food last for 5 students?
22. 22.A hostel has enough food for 7 students for 4 days. How many days will the same food last for 14 students?
23. 23.If 7 kg of rice costs ₹217, how many kg can you buy for ₹186?
24. 24.If 9 pencil boxes cost ₹261, how much do 16 pencil boxes cost (in ₹)?
25. 25.If 4 mangoes cost ₹40, how much do 20 mangoes cost (in ₹)?
26. 26.If 5 kg of rice costs ₹130, how many kg can you buy for ₹104?
27. 27.A car goes 80 km on 10 litres of petrol. How far can it go on 38 litres (in km)?
28. 28.If 9 mangoes cost ₹63, how much do 7 mangoes cost (in ₹)?
29. 29.A car goes 66 km on 3 litres of petrol. How far can it go on 17 litres (in km)?
30. 30.A car goes 231 km on 11 litres of petrol. How far can it go on 17 litres (in km)?
31. 31.8 painters can paint a school in 28 days. How many days would 4 painters take, working at the same speed?
32. 32.If 4 kg of rice costs ₹236, how many kg can you buy for ₹531?
33. 33.If 6 kites cost ₹114, how much do 20 kites cost (in ₹)?
34. 34.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
35. 35.If 8 kg of rice costs ₹656, how many kg can you buy for ₹1230?
36. 36.If 7 kg of rice costs ₹490, how many kg can you buy for ₹840?
37. 37.8 painters can paint a school in 30 days. How many days would 12 painters take, working at the same speed?
38. 38.A car goes 119 km on 7 litres of petrol. How far can it go on 20 litres (in km)?
39. 39.A car goes 190 km on 10 litres of petrol. How far can it go on 4 litres (in km)?
40. 40.A car goes 57 km on 3 litres of petrol. How far can it go on 7 litres (in km)?

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude