Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 223 · 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 28 km on 2 litres of petrol. How far can it go on 6 litres (in km)?
2. 2.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
3. 3.A hostel has enough food for 3 students for 23 days. How many days will the same food last for 23 students?
4. 4.A car goes 126 km on 9 litres of petrol. How far can it go on 7 litres (in km)?
5. 5.If 4 pencil boxes cost ₹164, how much do 17 pencil boxes cost (in ₹)?
6. 6.If 3 kg of rice costs ₹105, how many kg can you buy for ₹70?
7. 7.If 5 kg of rice costs ₹235, how many kg can you buy for ₹94?
8. 8.If 6 mangoes cost ₹84, how much do 5 mangoes cost (in ₹)?
9. 9.If 3 kg of rice costs ₹195, how many kg can you buy for ₹130?
10. 10.If 7 kg of rice costs ₹462, how many kg can you buy for ₹198?
11. 11.If 3 kg of rice costs ₹69, how many kg can you buy for ₹161?
12. 12.If 9 kg of rice costs ₹702, how many kg can you buy for ₹468?
13. 13.If 6 kg of rice costs ₹528, how many kg can you buy for ₹1144?
14. 14.A car goes 63 km on 3 litres of petrol. How far can it go on 26 litres (in km)?
15. 15.A hostel has enough food for 12 students for 8 days. How many days will the same food last for 4 students?
16. 16.If 9 kg of rice costs ₹639, how many kg can you buy for ₹923?
17. 17.A car goes 140 km on 7 litres of petrol. How far can it go on 36 litres (in km)?
18. 18.A hostel has enough food for 10 students for 7 days. How many days will the same food last for 14 students?
19. 19.If 4 mangoes cost ₹140, how much do 11 mangoes cost (in ₹)?
20. 20.11 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
21. 21.A car goes 48 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
22. 22.If 2 pens cost ₹84, how much do 15 pens cost (in ₹)?
23. 23.If 9 pens cost ₹207, how much do 18 pens cost (in ₹)?
24. 24.A car goes 228 km on 12 litres of petrol. How far can it go on 22 litres (in km)?
25. 25.If 7 mangoes cost ₹63, how much do 8 mangoes cost (in ₹)?
26. 26.If 9 kg of rice costs ₹432, how many kg can you buy for ₹672?
27. 27.If 10 pencil boxes cost ₹580, how much do 7 pencil boxes cost (in ₹)?
28. 28.If 8 notebooks cost ₹120, how much do 14 notebooks cost (in ₹)?
29. 29.A hostel has enough food for 8 students for 13 days. How many days will the same food last for 4 students?
30. 30.If 12 notebooks cost ₹180, how much do 8 notebooks cost (in ₹)?
31. 31.If 5 bottles of juice cost ₹185, how much do 9 bottles of juice cost (in ₹)?
32. 32.A car goes 95 km on 5 litres of petrol. How far can it go on 32 litres (in km)?
33. 33.If 11 erasers cost ₹605, how much do 17 erasers cost (in ₹)?
34. 34.A car goes 63 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
35. 35.If 4 cricket balls cost ₹208, how much do 9 cricket balls cost (in ₹)?
36. 36.If 10 mangoes cost ₹480, how much do 16 mangoes cost (in ₹)?
37. 37.9 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
38. 38.If 10 bottles of juice cost ₹290, how much do 19 bottles of juice cost (in ₹)?
39. 39.9 painters can paint a school in 7 days. How many days would 21 painters take, working at the same speed?
40. 40.If 10 pens cost ₹160, how much do 8 pens cost (in ₹)?

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