Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 576 · 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 10 students for 12 days. How many days will the same food last for 5 students?
2. 2.9 painters can paint a school in 16 days. How many days would 12 painters take, working at the same speed?
3. 3.If 10 kites cost ₹120, how much do 11 kites cost (in ₹)?
4. 4.A car goes 230 km on 10 litres of petrol. How far can it go on 38 litres (in km)?
5. 5.A hostel has enough food for 10 students for 10 days. How many days will the same food last for 5 students?
6. 6.A car goes 30 km on 2 litres of petrol. How far can it go on 7 litres (in km)?
7. 7.If 5 kg of rice costs ₹205, how many kg can you buy for ₹533?
8. 8.A car goes 198 km on 11 litres of petrol. How far can it go on 30 litres (in km)?
9. 9.A car goes 69 km on 3 litres of petrol. How far can it go on 13 litres (in km)?
10. 10.2 painters can paint a school in 12 days. How many days would 4 painters take, working at the same speed?
11. 11.9 painters can paint a school in 28 days. How many days would 14 painters take, working at the same speed?
12. 12.If 9 mangoes cost ₹450, how much do 8 mangoes cost (in ₹)?
13. 13.A car goes 240 km on 12 litres of petrol. How far can it go on 6 litres (in km)?
14. 14.A hostel has enough food for 5 students for 20 days. How many days will the same food last for 4 students?
15. 15.If 2 kg of rice costs ₹62, how many kg can you buy for ₹93?
16. 16.If 5 kg of rice costs ₹115, how many kg can you buy for ₹345?
17. 17.A car goes 60 km on 3 litres of petrol. How far can it go on 23 litres (in km)?
18. 18.A car goes 276 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
19. 19.If 7 kg of rice costs ₹336, how many kg can you buy for ₹720?
20. 20.If 8 kg of rice costs ₹584, how many kg can you buy for ₹219?
21. 21.If 4 cricket balls cost ₹132, how much do 8 cricket balls cost (in ₹)?
22. 22.If 9 kg of rice costs ₹288, how many kg can you buy for ₹128?
23. 23.A hostel has enough food for 3 students for 6 days. How many days will the same food last for 9 students?
24. 24.If 8 kg of rice costs ₹528, how many kg can you buy for ₹396?
25. 25.If 10 notebooks cost ₹50, how much do 3 notebooks cost (in ₹)?
26. 26.If 9 erasers cost ₹441, how much do 15 erasers cost (in ₹)?
27. 27.A hostel has enough food for 10 students for 10 days. How many days will the same food last for 4 students?
28. 28.If 3 kg of rice costs ₹231, how many kg can you buy for ₹924?
29. 29.If 9 cricket balls cost ₹234, how much do 13 cricket balls cost (in ₹)?
30. 30.If 8 kites cost ₹280, how much do 3 kites cost (in ₹)?
31. 31.A car goes 45 km on 5 litres of petrol. How far can it go on 34 litres (in km)?
32. 32.A hostel has enough food for 10 students for 7 days. How many days will the same food last for 2 students?
33. 33.A car goes 160 km on 8 litres of petrol. How far can it go on 26 litres (in km)?
34. 34.If 8 pens cost ₹160, how much do 19 pens cost (in ₹)?
35. 35.A car goes 112 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
36. 36.If 5 erasers cost ₹235, how much do 3 erasers cost (in ₹)?
37. 37.If 7 pencil boxes cost ₹140, how much do 19 pencil boxes cost (in ₹)?
38. 38.If 4 kg of rice costs ₹144, how many kg can you buy for ₹360?
39. 39.A hostel has enough food for 3 students for 11 days. How many days will the same food last for 11 students?
40. 40.A car goes 72 km on 9 litres of petrol. How far can it go on 40 litres (in km)?

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