Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 5 · 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 6 notebooks cost ₹24, how much do 3 notebooks cost (in ₹)?
2. 2.If 12 notebooks cost ₹528, how much do 3 notebooks cost (in ₹)?
3. 3.A car goes 108 km on 12 litres of petrol. How far can it go on 3 litres (in km)?
4. 4.If 9 kg of rice costs ₹495, how many kg can you buy for ₹660?
5. 5.If 2 kg of rice costs ₹146, how many kg can you buy for ₹511?
6. 6.If 8 kg of rice costs ₹368, how many kg can you buy for ₹230?
7. 7.If 8 kg of rice costs ₹232, how many kg can you buy for ₹116?
8. 8.If 3 kg of rice costs ₹87, how many kg can you buy for ₹435?
9. 9.A car goes 120 km on 5 litres of petrol. How far can it go on 9 litres (in km)?
10. 10.6 painters can paint a school in 30 days. How many days would 5 painters take, working at the same speed?
11. 11.A car goes 54 km on 6 litres of petrol. How far can it go on 10 litres (in km)?
12. 12.9 painters can paint a school in 8 days. How many days would 18 painters take, working at the same speed?
13. 13.A car goes 231 km on 11 litres of petrol. How far can it go on 33 litres (in km)?
14. 14.If 7 kg of rice costs ₹245, how many kg can you buy for ₹280?
15. 15.A car goes 91 km on 7 litres of petrol. How far can it go on 8 litres (in km)?
16. 16.4 painters can paint a school in 25 days. How many days would 2 painters take, working at the same speed?
17. 17.If 3 erasers cost ₹156, how much do 11 erasers cost (in ₹)?
18. 18.A car goes 231 km on 11 litres of petrol. How far can it go on 27 litres (in km)?
19. 19.If 8 kg of rice costs ₹368, how many kg can you buy for ₹92?
20. 20.If 8 kites cost ₹88, how much do 20 kites cost (in ₹)?
21. 21.If 6 pens cost ₹318, how much do 15 pens cost (in ₹)?
22. 22.If 4 pens cost ₹212, how much do 19 pens cost (in ₹)?
23. 23.If 9 notebooks cost ₹288, how much do 6 notebooks cost (in ₹)?
24. 24.A car goes 50 km on 5 litres of petrol. How far can it go on 22 litres (in km)?
25. 25.If 8 erasers cost ₹440, how much do 11 erasers cost (in ₹)?
26. 26.If 10 pencil boxes cost ₹320, how much do 7 pencil boxes cost (in ₹)?
27. 27.If 2 kg of rice costs ₹134, how many kg can you buy for ₹268?
28. 28.If 4 kg of rice costs ₹84, how many kg can you buy for ₹273?
29. 29.A hostel has enough food for 7 students for 4 days. How many days will the same food last for 2 students?
30. 30.If 5 kg of rice costs ₹320, how many kg can you buy for ₹896?
31. 31.A car goes 156 km on 12 litres of petrol. How far can it go on 37 litres (in km)?
32. 32.A car goes 63 km on 7 litres of petrol. How far can it go on 13 litres (in km)?
33. 33.If 8 kg of rice costs ₹560, how many kg can you buy for ₹910?
34. 34.A car goes 44 km on 4 litres of petrol. How far can it go on 32 litres (in km)?
35. 35.A hostel has enough food for 7 students for 19 days. How many days will the same food last for 19 students?
36. 36.If 2 kg of rice costs ₹124, how many kg can you buy for ₹496?
37. 37.A car goes 36 km on 3 litres of petrol. How far can it go on 2 litres (in km)?
38. 38.A car goes 24 km on 3 litres of petrol. How far can it go on 17 litres (in km)?
39. 39.A hostel has enough food for 4 students for 8 days. How many days will the same food last for 16 students?
40. 40.If 3 kg of rice costs ₹72, how many kg can you buy for ₹360?

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