Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 82 · 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 64 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
2. 2.If 10 mangoes cost ₹600, how much do 20 mangoes cost (in ₹)?
3. 3.If 4 kg of rice costs ₹156, how many kg can you buy for ₹195?
4. 4.A car goes 60 km on 4 litres of petrol. How far can it go on 17 litres (in km)?
5. 5.A hostel has enough food for 8 students for 30 days. How many days will the same food last for 24 students?
6. 6.A hostel has enough food for 2 students for 20 days. How many days will the same food last for 20 students?
7. 7.If 5 erasers cost ₹85, how much do 11 erasers cost (in ₹)?
8. 8.If 4 kg of rice costs ₹360, how many kg can you buy for ₹1080?
9. 9.If 7 bottles of juice cost ₹126, how much do 3 bottles of juice cost (in ₹)?
10. 10.If 5 kg of rice costs ₹330, how many kg can you buy for ₹396?
11. 11.If 2 kg of rice costs ₹116, how many kg can you buy for ₹464?
12. 12.If 6 kg of rice costs ₹384, how many kg can you buy for ₹832?
13. 13.If 8 pens cost ₹144, how much do 14 pens cost (in ₹)?
14. 14.A car goes 126 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
15. 15.A car goes 36 km on 4 litres of petrol. How far can it go on 25 litres (in km)?
16. 16.If 4 notebooks cost ₹20, how much do 15 notebooks cost (in ₹)?
17. 17.A car goes 96 km on 8 litres of petrol. How far can it go on 39 litres (in km)?
18. 18.A car goes 64 km on 4 litres of petrol. How far can it go on 24 litres (in km)?
19. 19.If 5 kg of rice costs ₹175, how many kg can you buy for ₹315?
20. 20.6 painters can paint a school in 24 days. How many days would 4 painters take, working at the same speed?
21. 21.If 10 erasers cost ₹590, how much do 5 erasers cost (in ₹)?
22. 22.9 painters can paint a school in 20 days. How many days would 18 painters take, working at the same speed?
23. 23.A car goes 110 km on 10 litres of petrol. How far can it go on 29 litres (in km)?
24. 24.If 3 erasers cost ₹159, how much do 7 erasers cost (in ₹)?
25. 25.If 5 kg of rice costs ₹260, how many kg can you buy for ₹676?
26. 26.A hostel has enough food for 6 students for 20 days. How many days will the same food last for 3 students?
27. 27.A car goes 24 km on 3 litres of petrol. How far can it go on 20 litres (in km)?
28. 28.If 11 bottles of juice cost ₹121, how much do 10 bottles of juice cost (in ₹)?
29. 29.A car goes 84 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
30. 30.A car goes 240 km on 10 litres of petrol. How far can it go on 19 litres (in km)?
31. 31.If 2 kg of rice costs ₹146, how many kg can you buy for ₹584?
32. 32.A car goes 24 km on 3 litres of petrol. How far can it go on 4 litres (in km)?
33. 33.A hostel has enough food for 3 students for 15 days. How many days will the same food last for 5 students?
34. 34.If 3 kg of rice costs ₹105, how many kg can you buy for ₹140?
35. 35.A car goes 27 km on 3 litres of petrol. How far can it go on 10 litres (in km)?
36. 36.6 painters can paint a school in 8 days. How many days would 16 painters take, working at the same speed?
37. 37.A hostel has enough food for 4 students for 16 days. How many days will the same food last for 2 students?
38. 38.7 painters can paint a school in 10 days. How many days would 14 painters take, working at the same speed?
39. 39.If 6 bottles of juice cost ₹24, how much do 18 bottles of juice cost (in ₹)?
40. 40.8 painters can paint a school in 23 days. How many days would 4 painters take, working at the same speed?

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