Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 53 · 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 car goes 300 km on 12 litres of petrol. How far can it go on 10 litres (in km)?
2. 2.If 9 cricket balls cost ₹252, how much do 19 cricket balls cost (in ₹)?
3. 3.If 6 notebooks cost ₹36, how much do 9 notebooks cost (in ₹)?
4. 4.A hostel has enough food for 8 students for 27 days. How many days will the same food last for 4 students?
5. 5.11 painters can paint a school in 16 days. How many days would 22 painters take, working at the same speed?
6. 6.If 4 pens cost ₹88, how much do 12 pens cost (in ₹)?
7. 7.If 12 notebooks cost ₹540, how much do 19 notebooks cost (in ₹)?
8. 8.5 painters can paint a school in 27 days. How many days would 3 painters take, working at the same speed?
9. 9.If 6 notebooks cost ₹18, how much do 5 notebooks cost (in ₹)?
10. 10.A hostel has enough food for 11 students for 19 days. How many days will the same food last for 19 students?
11. 11.If 4 erasers cost ₹220, how much do 11 erasers cost (in ₹)?
12. 12.A car goes 165 km on 11 litres of petrol. How far can it go on 36 litres (in km)?
13. 13.If 5 kg of rice costs ₹435, how many kg can you buy for ₹1218?
14. 14.If 6 kg of rice costs ₹516, how many kg can you buy for ₹860?
15. 15.A car goes 66 km on 3 litres of petrol. How far can it go on 5 litres (in km)?
16. 16.A car goes 57 km on 3 litres of petrol. How far can it go on 31 litres (in km)?
17. 17.If 3 mangoes cost ₹12, how much do 6 mangoes cost (in ₹)?
18. 18.If 7 kg of rice costs ₹434, how many kg can you buy for ₹310?
19. 19.A car goes 50 km on 5 litres of petrol. How far can it go on 35 litres (in km)?
20. 20.If 5 kg of rice costs ₹320, how many kg can you buy for ₹192?
21. 21.If 3 kg of rice costs ₹93, how many kg can you buy for ₹248?
22. 22.If 2 erasers cost ₹72, how much do 19 erasers cost (in ₹)?
23. 23.If 4 kg of rice costs ₹300, how many kg can you buy for ₹900?
24. 24.If 7 kg of rice costs ₹217, how many kg can you buy for ₹279?
25. 25.If 8 kg of rice costs ₹536, how many kg can you buy for ₹268?
26. 26.A hostel has enough food for 2 students for 25 days. How many days will the same food last for 5 students?
27. 27.If 5 pencil boxes cost ₹200, how much do 3 pencil boxes cost (in ₹)?
28. 28.3 painters can paint a school in 21 days. How many days would 7 painters take, working at the same speed?
29. 29.A car goes 84 km on 4 litres of petrol. How far can it go on 7 litres (in km)?
30. 30.If 11 kites cost ₹187, how much do 20 kites cost (in ₹)?
31. 31.A car goes 264 km on 12 litres of petrol. How far can it go on 20 litres (in km)?
32. 32.If 8 mangoes cost ₹472, how much do 17 mangoes cost (in ₹)?
33. 33.If 8 kg of rice costs ₹696, how many kg can you buy for ₹435?
34. 34.If 7 notebooks cost ₹336, how much do 9 notebooks cost (in ₹)?
35. 35.A car goes 120 km on 12 litres of petrol. How far can it go on 26 litres (in km)?
36. 36.A hostel has enough food for 12 students for 6 days. How many days will the same food last for 18 students?
37. 37.A car goes 230 km on 10 litres of petrol. How far can it go on 30 litres (in km)?
38. 38.If 5 mangoes cost ₹30, how much do 18 mangoes cost (in ₹)?
39. 39.A hostel has enough food for 11 students for 26 days. How many days will the same food last for 22 students?
40. 40.A hostel has enough food for 11 students for 18 days. How many days will the same food last for 9 students?

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