Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 91 · 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 2 students for 6 days. How many days will the same food last for 6 students?
2. 2.10 painters can paint a school in 6 days. How many days would 12 painters take, working at the same speed?
3. 3.If 7 kg of rice costs ₹560, how many kg can you buy for ₹400?
4. 4.A car goes 112 km on 7 litres of petrol. How far can it go on 34 litres (in km)?
5. 5.A hostel has enough food for 10 students for 13 days. How many days will the same food last for 13 students?
6. 6.4 painters can paint a school in 12 days. How many days would 2 painters take, working at the same speed?
7. 7.If 8 kites cost ₹32, how much do 20 kites cost (in ₹)?
8. 8.A car goes 63 km on 7 litres of petrol. How far can it go on 20 litres (in km)?
9. 9.A car goes 80 km on 8 litres of petrol. How far can it go on 21 litres (in km)?
10. 10.If 2 pencil boxes cost ₹102, how much do 3 pencil boxes cost (in ₹)?
11. 11.A car goes 105 km on 7 litres of petrol. How far can it go on 24 litres (in km)?
12. 12.If 6 kg of rice costs ₹216, how many kg can you buy for ₹288?
13. 13.If 8 kg of rice costs ₹608, how many kg can you buy for ₹152?
14. 14.A hostel has enough food for 2 students for 23 days. How many days will the same food last for 23 students?
15. 15.If 8 cricket balls cost ₹392, how much do 12 cricket balls cost (in ₹)?
16. 16.A car goes 60 km on 3 litres of petrol. How far can it go on 37 litres (in km)?
17. 17.If 2 erasers cost ₹46, how much do 7 erasers cost (in ₹)?
18. 18.A hostel has enough food for 10 students for 21 days. How many days will the same food last for 14 students?
19. 19.If 2 kg of rice costs ₹158, how many kg can you buy for ₹237?
20. 20.A car goes 84 km on 7 litres of petrol. How far can it go on 10 litres (in km)?
21. 21.If 11 mangoes cost ₹220, how much do 15 mangoes cost (in ₹)?
22. 22.If 5 pens cost ₹205, how much do 18 pens cost (in ₹)?
23. 23.If 2 notebooks cost ₹102, how much do 14 notebooks cost (in ₹)?
24. 24.A car goes 48 km on 4 litres of petrol. How far can it go on 2 litres (in km)?
25. 25.9 painters can paint a school in 10 days. How many days would 6 painters take, working at the same speed?
26. 26.A car goes 121 km on 11 litres of petrol. How far can it go on 19 litres (in km)?
27. 27.If 5 erasers cost ₹20, how much do 16 erasers cost (in ₹)?
28. 28.If 4 kg of rice costs ₹268, how many kg can you buy for ₹536?
29. 29.If 3 kg of rice costs ₹69, how many kg can you buy for ₹161?
30. 30.7 painters can paint a school in 12 days. How many days would 4 painters take, working at the same speed?
31. 31.If 9 erasers cost ₹306, how much do 5 erasers cost (in ₹)?
32. 32.If 6 kg of rice costs ₹432, how many kg can you buy for ₹216?
33. 33.7 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
34. 34.2 painters can paint a school in 12 days. How many days would 8 painters take, working at the same speed?
35. 35.If 2 kites cost ₹90, how much do 11 kites cost (in ₹)?
36. 36.If 8 kites cost ₹320, how much do 5 kites cost (in ₹)?
37. 37.If 5 kg of rice costs ₹140, how many kg can you buy for ₹392?
38. 38.If 5 kg of rice costs ₹335, how many kg can you buy for ₹737?
39. 39.If 5 pens cost ₹210, how much do 8 pens cost (in ₹)?
40. 40.A car goes 189 km on 9 litres of petrol. How far can it go on 17 litres (in km)?

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