Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 437 · 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 45 km on 5 litres of petrol. How far can it go on 6 litres (in km)?
2. 2.If 6 notebooks cost ₹324, how much do 13 notebooks cost (in ₹)?
3. 3.If 4 notebooks cost ₹156, how much do 8 notebooks cost (in ₹)?
4. 4.If 5 kg of rice costs ₹370, how many kg can you buy for ₹444?
5. 5.If 3 kg of rice costs ₹123, how many kg can you buy for ₹615?
6. 6.A hostel has enough food for 4 students for 21 days. How many days will the same food last for 21 students?
7. 7.If 4 kg of rice costs ₹220, how many kg can you buy for ₹110?
8. 8.A hostel has enough food for 9 students for 15 days. How many days will the same food last for 5 students?
9. 9.If 2 notebooks cost ₹30, how much do 4 notebooks cost (in ₹)?
10. 10.A hostel has enough food for 9 students for 28 days. How many days will the same food last for 6 students?
11. 11.If 2 kg of rice costs ₹62, how many kg can you buy for ₹217?
12. 12.A car goes 55 km on 5 litres of petrol. How far can it go on 13 litres (in km)?
13. 13.12 painters can paint a school in 29 days. How many days would 6 painters take, working at the same speed?
14. 14.A car goes 120 km on 12 litres of petrol. How far can it go on 3 litres (in km)?
15. 15.A car goes 90 km on 6 litres of petrol. How far can it go on 17 litres (in km)?
16. 16.If 9 pens cost ₹198, how much do 4 pens cost (in ₹)?
17. 17.If 6 notebooks cost ₹240, how much do 8 notebooks cost (in ₹)?
18. 18.A car goes 231 km on 11 litres of petrol. How far can it go on 16 litres (in km)?
19. 19.A car goes 100 km on 4 litres of petrol. How far can it go on 15 litres (in km)?
20. 20.If 6 kg of rice costs ₹534, how many kg can you buy for ₹356?
21. 21.If 3 erasers cost ₹21, how much do 5 erasers cost (in ₹)?
22. 22.A hostel has enough food for 5 students for 26 days. How many days will the same food last for 13 students?
23. 23.A car goes 138 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
24. 24.If 9 kg of rice costs ₹369, how many kg can you buy for ₹410?
25. 25.7 painters can paint a school in 8 days. How many days would 14 painters take, working at the same speed?
26. 26.A car goes 192 km on 12 litres of petrol. How far can it go on 2 litres (in km)?
27. 27.A car goes 168 km on 12 litres of petrol. How far can it go on 3 litres (in km)?
28. 28.If 4 kg of rice costs ₹252, how many kg can you buy for ₹126?
29. 29.A car goes 200 km on 8 litres of petrol. How far can it go on 39 litres (in km)?
30. 30.A car goes 187 km on 11 litres of petrol. How far can it go on 2 litres (in km)?
31. 31.8 painters can paint a school in 12 days. How many days would 16 painters take, working at the same speed?
32. 32.If 3 kg of rice costs ₹216, how many kg can you buy for ₹144?
33. 33.If 12 cricket balls cost ₹492, how much do 4 cricket balls cost (in ₹)?
34. 34.A hostel has enough food for 9 students for 18 days. How many days will the same food last for 3 students?
35. 35.If 6 kg of rice costs ₹324, how many kg can you buy for ₹540?
36. 36.If 7 kg of rice costs ₹196, how many kg can you buy for ₹392?
37. 37.If 8 kg of rice costs ₹648, how many kg can you buy for ₹1215?
38. 38.If 8 kg of rice costs ₹344, how many kg can you buy for ₹301?
39. 39.If 9 kg of rice costs ₹261, how many kg can you buy for ₹87?
40. 40.A car goes 39 km on 3 litres of petrol. How far can it go on 4 litres (in km)?

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