Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 94 · 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 5 students for 21 days. How many days will the same food last for 21 students?
2. 2.A car goes 90 km on 9 litres of petrol. How far can it go on 10 litres (in km)?
3. 3.If 8 kg of rice costs ₹584, how many kg can you buy for ₹438?
4. 4.A hostel has enough food for 12 students for 29 days. How many days will the same food last for 6 students?
5. 5.A hostel has enough food for 12 students for 12 days. How many days will the same food last for 9 students?
6. 6.If 2 kg of rice costs ₹62, how many kg can you buy for ₹124?
7. 7.If 7 kg of rice costs ₹602, how many kg can you buy for ₹1118?
8. 8.If 6 kg of rice costs ₹522, how many kg can you buy for ₹1305?
9. 9.If 7 kg of rice costs ₹469, how many kg can you buy for ₹201?
10. 10.If 5 kg of rice costs ₹200, how many kg can you buy for ₹160?
11. 11.A car goes 135 km on 9 litres of petrol. How far can it go on 22 litres (in km)?
12. 12.A car goes 60 km on 5 litres of petrol. How far can it go on 40 litres (in km)?
13. 13.A hostel has enough food for 8 students for 7 days. How many days will the same food last for 7 students?
14. 14.If 9 pens cost ₹63, how much do 5 pens cost (in ₹)?
15. 15.A hostel has enough food for 2 students for 18 days. How many days will the same food last for 9 students?
16. 16.3 painters can paint a school in 26 days. How many days would 2 painters take, working at the same speed?
17. 17.If 5 kg of rice costs ₹135, how many kg can you buy for ₹324?
18. 18.If 7 kg of rice costs ₹301, how many kg can you buy for ₹129?
19. 19.3 painters can paint a school in 18 days. How many days would 9 painters take, working at the same speed?
20. 20.A car goes 120 km on 5 litres of petrol. How far can it go on 14 litres (in km)?
21. 21.A car goes 112 km on 8 litres of petrol. How far can it go on 20 litres (in km)?
22. 22.A car goes 80 km on 4 litres of petrol. How far can it go on 5 litres (in km)?
23. 23.If 9 kg of rice costs ₹684, how many kg can you buy for ₹1064?
24. 24.If 12 pens cost ₹636, how much do 8 pens cost (in ₹)?
25. 25.8 painters can paint a school in 5 days. How many days would 2 painters take, working at the same speed?
26. 26.A hostel has enough food for 9 students for 25 days. How many days will the same food last for 5 students?
27. 27.A hostel has enough food for 4 students for 26 days. How many days will the same food last for 2 students?
28. 28.If 7 cricket balls cost ₹252, how much do 13 cricket balls cost (in ₹)?
29. 29.11 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
30. 30.If 8 cricket balls cost ₹376, how much do 7 cricket balls cost (in ₹)?
31. 31.If 6 erasers cost ₹204, how much do 10 erasers cost (in ₹)?
32. 32.A car goes 180 km on 9 litres of petrol. How far can it go on 29 litres (in km)?
33. 33.A car goes 96 km on 12 litres of petrol. How far can it go on 7 litres (in km)?
34. 34.If 3 kg of rice costs ₹102, how many kg can you buy for ₹238?
35. 35.A hostel has enough food for 10 students for 24 days. How many days will the same food last for 6 students?
36. 36.A car goes 38 km on 2 litres of petrol. How far can it go on 28 litres (in km)?
37. 37.A hostel has enough food for 3 students for 5 days. How many days will the same food last for 5 students?
38. 38.If 9 notebooks cost ₹90, how much do 10 notebooks cost (in ₹)?
39. 39.If 7 kg of rice costs ₹434, how many kg can you buy for ₹310?
40. 40.If 12 pens cost ₹252, how much do 11 pens cost (in ₹)?

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