Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 194 · 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 2 pens cost ₹80, how much do 15 pens cost (in ₹)?
2. 2.If 2 erasers cost ₹20, how much do 12 erasers cost (in ₹)?
3. 3.5 painters can paint a school in 12 days. How many days would 10 painters take, working at the same speed?
4. 4.A car goes 48 km on 2 litres of petrol. How far can it go on 13 litres (in km)?
5. 5.If 8 kg of rice costs ₹312, how many kg can you buy for ₹429?
6. 6.A car goes 126 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
7. 7.A car goes 114 km on 6 litres of petrol. How far can it go on 34 litres (in km)?
8. 8.A car goes 135 km on 9 litres of petrol. How far can it go on 14 litres (in km)?
9. 9.If 2 kg of rice costs ₹136, how many kg can you buy for ₹748?
10. 10.12 painters can paint a school in 29 days. How many days would 6 painters take, working at the same speed?
11. 11.A car goes 140 km on 7 litres of petrol. How far can it go on 37 litres (in km)?
12. 12.If 5 mangoes cost ₹175, how much do 19 mangoes cost (in ₹)?
13. 13.10 painters can paint a school in 10 days. How many days would 2 painters take, working at the same speed?
14. 14.If 12 pens cost ₹636, how much do 3 pens cost (in ₹)?
15. 15.A car goes 160 km on 10 litres of petrol. How far can it go on 28 litres (in km)?
16. 16.A car goes 144 km on 9 litres of petrol. How far can it go on 36 litres (in km)?
17. 17.A hostel has enough food for 9 students for 25 days. How many days will the same food last for 15 students?
18. 18.If 7 erasers cost ₹98, how much do 4 erasers cost (in ₹)?
19. 19.A hostel has enough food for 4 students for 20 days. How many days will the same food last for 8 students?
20. 20.3 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
21. 21.If 3 kg of rice costs ₹258, how many kg can you buy for ₹946?
22. 22.A car goes 144 km on 6 litres of petrol. How far can it go on 11 litres (in km)?
23. 23.A hostel has enough food for 4 students for 23 days. How many days will the same food last for 2 students?
24. 24.A car goes 45 km on 5 litres of petrol. How far can it go on 4 litres (in km)?
25. 25.If 10 erasers cost ₹420, how much do 2 erasers cost (in ₹)?
26. 26.A car goes 39 km on 3 litres of petrol. How far can it go on 40 litres (in km)?
27. 27.A hostel has enough food for 6 students for 30 days. How many days will the same food last for 15 students?
28. 28.2 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
29. 29.If 3 kg of rice costs ₹129, how many kg can you buy for ₹172?
30. 30.If 3 kg of rice costs ₹192, how many kg can you buy for ₹128?
31. 31.If 3 notebooks cost ₹117, how much do 13 notebooks cost (in ₹)?
32. 32.If 3 erasers cost ₹144, how much do 2 erasers cost (in ₹)?
33. 33.If 6 pens cost ₹318, how much do 9 pens cost (in ₹)?
34. 34.If 4 pens cost ₹204, how much do 20 pens cost (in ₹)?
35. 35.If 9 kg of rice costs ₹261, how many kg can you buy for ₹377?
36. 36.If 7 kg of rice costs ₹175, how many kg can you buy for ₹75?
37. 37.If 3 kg of rice costs ₹195, how many kg can you buy for ₹325?
38. 38.If 2 kg of rice costs ₹144, how many kg can you buy for ₹216?
39. 39.If 4 kites cost ₹28, how much do 20 kites cost (in ₹)?
40. 40.A car goes 66 km on 3 litres of petrol. How far can it go on 30 litres (in km)?

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