Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 400 · 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 40 km on 5 litres of petrol. How far can it go on 32 litres (in km)?
2. 2.A car goes 52 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
3. 3.5 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
4. 4.5 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
5. 5.A car goes 16 km on 2 litres of petrol. How far can it go on 4 litres (in km)?
6. 6.9 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
7. 7.If 2 kg of rice costs ₹40, how many kg can you buy for ₹300?
8. 8.If 6 mangoes cost ₹18, how much do 9 mangoes cost (in ₹)?
9. 9.If 4 notebooks cost ₹80, how much do 2 notebooks cost (in ₹)?
10. 10.A car goes 84 km on 7 litres of petrol. How far can it go on 10 litres (in km)?
11. 11.10 painters can paint a school in 28 days. How many days would 7 painters take, working at the same speed?
12. 12.If 8 kg of rice costs ₹384, how many kg can you buy for ₹240?
13. 13.A car goes 75 km on 5 litres of petrol. How far can it go on 20 litres (in km)?
14. 14.11 painters can paint a school in 20 days. How many days would 4 painters take, working at the same speed?
15. 15.A car goes 42 km on 2 litres of petrol. How far can it go on 26 litres (in km)?
16. 16.If 2 kg of rice costs ₹58, how many kg can you buy for ₹145?
17. 17.If 6 kg of rice costs ₹138, how many kg can you buy for ₹230?
18. 18.A car goes 240 km on 12 litres of petrol. How far can it go on 30 litres (in km)?
19. 19.2 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
20. 20.2 painters can paint a school in 24 days. How many days would 16 painters take, working at the same speed?
21. 21.A car goes 88 km on 8 litres of petrol. How far can it go on 14 litres (in km)?
22. 22.If 2 kg of rice costs ₹80, how many kg can you buy for ₹480?
23. 23.A car goes 84 km on 6 litres of petrol. How far can it go on 12 litres (in km)?
24. 24.6 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
25. 25.5 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
26. 26.A car goes 108 km on 9 litres of petrol. How far can it go on 24 litres (in km)?
27. 27.A car goes 45 km on 5 litres of petrol. How far can it go on 29 litres (in km)?
28. 28.If 8 kg of rice costs ₹224, how many kg can you buy for ₹112?
29. 29.A car goes 216 km on 12 litres of petrol. How far can it go on 26 litres (in km)?
30. 30.If 6 kg of rice costs ₹168, how many kg can you buy for ₹84?
31. 31.If 3 pens cost ₹54, how much do 6 pens cost (in ₹)?
32. 32.If 6 notebooks cost ₹306, how much do 14 notebooks cost (in ₹)?
33. 33.A hostel has enough food for 3 students for 26 days. How many days will the same food last for 2 students?
34. 34.A hostel has enough food for 4 students for 22 days. How many days will the same food last for 22 students?
35. 35.7 painters can paint a school in 20 days. How many days would 10 painters take, working at the same speed?
36. 36.If 6 pencil boxes cost ₹300, how much do 15 pencil boxes cost (in ₹)?
37. 37.If 3 kg of rice costs ₹204, how many kg can you buy for ₹340?
38. 38.A car goes 55 km on 5 litres of petrol. How far can it go on 15 litres (in km)?
39. 39.If 10 erasers cost ₹70, how much do 3 erasers cost (in ₹)?
40. 40.If 8 kg of rice costs ₹624, how many kg can you buy for ₹390?

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