Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 547 · 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 12 pens cost ₹552, how much do 3 pens cost (in ₹)?
2. 2.If 4 erasers cost ₹136, how much do 3 erasers cost (in ₹)?
3. 3.A hostel has enough food for 8 students for 7 days. How many days will the same food last for 4 students?
4. 4.A car goes 40 km on 2 litres of petrol. How far can it go on 22 litres (in km)?
5. 5.If 4 kg of rice costs ₹268, how many kg can you buy for ₹335?
6. 6.9 painters can paint a school in 7 days. How many days would 21 painters take, working at the same speed?
7. 7.A hostel has enough food for 10 students for 5 days. How many days will the same food last for 5 students?
8. 8.If 8 mangoes cost ₹144, how much do 9 mangoes cost (in ₹)?
9. 9.If 9 erasers cost ₹153, how much do 3 erasers cost (in ₹)?
10. 10.If 3 kites cost ₹129, how much do 9 kites cost (in ₹)?
11. 11.5 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
12. 12.A car goes 144 km on 9 litres of petrol. How far can it go on 10 litres (in km)?
13. 13.A hostel has enough food for 10 students for 13 days. How many days will the same food last for 13 students?
14. 14.If 7 kg of rice costs ₹252, how many kg can you buy for ₹540?
15. 15.2 painters can paint a school in 9 days. How many days would 6 painters take, working at the same speed?
16. 16.If 11 bottles of juice cost ₹561, how much do 2 bottles of juice cost (in ₹)?
17. 17.If 12 cricket balls cost ₹540, how much do 14 cricket balls cost (in ₹)?
18. 18.A car goes 44 km on 4 litres of petrol. How far can it go on 21 litres (in km)?
19. 19.A car goes 60 km on 3 litres of petrol. How far can it go on 7 litres (in km)?
20. 20.If 9 kg of rice costs ₹441, how many kg can you buy for ₹539?
21. 21.A hostel has enough food for 4 students for 28 days. How many days will the same food last for 14 students?
22. 22.A car goes 60 km on 5 litres of petrol. How far can it go on 23 litres (in km)?
23. 23.If 12 pens cost ₹96, how much do 18 pens cost (in ₹)?
24. 24.A hostel has enough food for 2 students for 15 days. How many days will the same food last for 3 students?
25. 25.If 2 kg of rice costs ₹70, how many kg can you buy for ₹490?
26. 26.If 4 kg of rice costs ₹272, how many kg can you buy for ₹476?
27. 27.If 3 kg of rice costs ₹234, how many kg can you buy for ₹1014?
28. 28.A car goes 77 km on 7 litres of petrol. How far can it go on 31 litres (in km)?
29. 29.If 2 kg of rice costs ₹118, how many kg can you buy for ₹590?
30. 30.If 8 erasers cost ₹40, how much do 16 erasers cost (in ₹)?
31. 31.A car goes 99 km on 11 litres of petrol. How far can it go on 30 litres (in km)?
32. 32.A hostel has enough food for 2 students for 14 days. How many days will the same food last for 14 students?
33. 33.If 5 bottles of juice cost ₹50, how much do 14 bottles of juice cost (in ₹)?
34. 34.If 9 cricket balls cost ₹306, how much do 20 cricket balls cost (in ₹)?
35. 35.If 3 kg of rice costs ₹93, how many kg can you buy for ₹186?
36. 36.If 3 bottles of juice cost ₹111, how much do 20 bottles of juice cost (in ₹)?
37. 37.A car goes 190 km on 10 litres of petrol. How far can it go on 3 litres (in km)?
38. 38.If 7 kg of rice costs ₹203, how many kg can you buy for ₹174?
39. 39.A hostel has enough food for 2 students for 7 days. How many days will the same food last for 7 students?
40. 40.If 8 kg of rice costs ₹616, how many kg can you buy for ₹462?

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