Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 45 · 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 175 km on 7 litres of petrol. How far can it go on 13 litres (in km)?
2. 2.If 5 kg of rice costs ₹300, how many kg can you buy for ₹900?
3. 3.If 7 bottles of juice cost ₹392, how much do 10 bottles of juice cost (in ₹)?
4. 4.A car goes 136 km on 8 litres of petrol. How far can it go on 5 litres (in km)?
5. 5.A hostel has enough food for 6 students for 7 days. How many days will the same food last for 7 students?
6. 6.6 painters can paint a school in 29 days. How many days would 3 painters take, working at the same speed?
7. 7.If 8 bottles of juice cost ₹32, how much do 12 bottles of juice cost (in ₹)?
8. 8.If 3 kg of rice costs ₹63, how many kg can you buy for ₹315?
9. 9.10 painters can paint a school in 6 days. How many days would 2 painters take, working at the same speed?
10. 10.If 9 erasers cost ₹144, how much do 2 erasers cost (in ₹)?
11. 11.If 8 pens cost ₹104, how much do 20 pens cost (in ₹)?
12. 12.If 5 kg of rice costs ₹290, how many kg can you buy for ₹406?
13. 13.If 7 notebooks cost ₹399, how much do 19 notebooks cost (in ₹)?
14. 14.10 painters can paint a school in 16 days. How many days would 5 painters take, working at the same speed?
15. 15.If 3 kg of rice costs ₹144, how many kg can you buy for ₹576?
16. 16.6 painters can paint a school in 21 days. How many days would 14 painters take, working at the same speed?
17. 17.A car goes 144 km on 6 litres of petrol. How far can it go on 24 litres (in km)?
18. 18.If 4 erasers cost ₹28, how much do 14 erasers cost (in ₹)?
19. 19.If 12 bottles of juice cost ₹324, how much do 7 bottles of juice cost (in ₹)?
20. 20.A car goes 108 km on 9 litres of petrol. How far can it go on 8 litres (in km)?
21. 21.If 10 mangoes cost ₹340, how much do 11 mangoes cost (in ₹)?
22. 22.If 7 erasers cost ₹413, how much do 10 erasers cost (in ₹)?
23. 23.If 7 kg of rice costs ₹406, how many kg can you buy for ₹232?
24. 24.A car goes 114 km on 6 litres of petrol. How far can it go on 12 litres (in km)?
25. 25.A car goes 50 km on 2 litres of petrol. How far can it go on 16 litres (in km)?
26. 26.If 8 kg of rice costs ₹392, how many kg can you buy for ₹637?
27. 27.If 5 kites cost ₹55, how much do 2 kites cost (in ₹)?
28. 28.If 7 kg of rice costs ₹462, how many kg can you buy for ₹858?
29. 29.A hostel has enough food for 4 students for 21 days. How many days will the same food last for 2 students?
30. 30.If 9 pens cost ₹513, how much do 8 pens cost (in ₹)?
31. 31.A hostel has enough food for 4 students for 9 days. How many days will the same food last for 3 students?
32. 32.6 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
33. 33.A hostel has enough food for 11 students for 4 days. How many days will the same food last for 22 students?
34. 34.If 3 bottles of juice cost ₹111, how much do 17 bottles of juice cost (in ₹)?
35. 35.If 3 kg of rice costs ₹153, how many kg can you buy for ₹510?
36. 36.A car goes 40 km on 2 litres of petrol. How far can it go on 6 litres (in km)?
37. 37.A car goes 88 km on 8 litres of petrol. How far can it go on 13 litres (in km)?
38. 38.If 5 kg of rice costs ₹435, how many kg can you buy for ₹783?
39. 39.A car goes 30 km on 3 litres of petrol. How far can it go on 20 litres (in km)?
40. 40.12 painters can paint a school in 7 days. How many days would 4 painters take, working at the same speed?

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