Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 403 · 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. 1.10 painters can paint a school in 7 days. How many days would 5 painters take, working at the same speed?
2. 2.If 6 kg of rice costs ₹414, how many kg can you buy for ₹1035?
3. 3.2 painters can paint a school in 16 days. How many days would 16 painters take, working at the same speed?
4. 4.If 4 cricket balls cost ₹80, how much do 3 cricket balls cost (in ₹)?
5. 5.A hostel has enough food for 4 students for 7 days. How many days will the same food last for 14 students?
6. 6.If 4 kites cost ₹216, how much do 6 kites cost (in ₹)?
7. 7.If 6 kg of rice costs ₹240, how many kg can you buy for ₹200?
8. 8.A hostel has enough food for 10 students for 14 days. How many days will the same food last for 20 students?
9. 9.If 2 kg of rice costs ₹158, how many kg can you buy for ₹1106?
10. 10.10 painters can paint a school in 8 days. How many days would 4 painters take, working at the same speed?
11. 11.If 6 kg of rice costs ₹324, how many kg can you buy for ₹162?
12. 12.A car goes 51 km on 3 litres of petrol. How far can it go on 5 litres (in km)?
13. 13.A car goes 80 km on 10 litres of petrol. How far can it go on 13 litres (in km)?
14. 14.8 painters can paint a school in 13 days. How many days would 13 painters take, working at the same speed?
15. 15.A car goes 30 km on 3 litres of petrol. How far can it go on 22 litres (in km)?
16. 16.If 3 kg of rice costs ₹219, how many kg can you buy for ₹584?
17. 17.If 8 kg of rice costs ₹200, how many kg can you buy for ₹100?
18. 18.If 9 kg of rice costs ₹279, how many kg can you buy for ₹124?
19. 19.5 painters can paint a school in 22 days. How many days would 10 painters take, working at the same speed?
20. 20.A hostel has enough food for 2 students for 5 days. How many days will the same food last for 5 students?
21. 21.If 2 kg of rice costs ₹174, how many kg can you buy for ₹1044?
22. 22.If 8 pens cost ₹360, how much do 4 pens cost (in ₹)?
23. 23.If 5 kg of rice costs ₹310, how many kg can you buy for ₹496?
24. 24.A car goes 60 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
25. 25.10 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
26. 26.5 painters can paint a school in 27 days. How many days would 15 painters take, working at the same speed?
27. 27.A car goes 120 km on 12 litres of petrol. How far can it go on 25 litres (in km)?
28. 28.7 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
29. 29.A car goes 126 km on 7 litres of petrol. How far can it go on 12 litres (in km)?
30. 30.A car goes 36 km on 4 litres of petrol. How far can it go on 35 litres (in km)?
31. 31.If 2 mangoes cost ₹42, how much do 20 mangoes cost (in ₹)?
32. 32.If 3 kg of rice costs ₹210, how many kg can you buy for ₹420?
33. 33.A car goes 63 km on 7 litres of petrol. How far can it go on 19 litres (in km)?
34. 34.A car goes 30 km on 3 litres of petrol. How far can it go on 34 litres (in km)?
35. 35.A car goes 160 km on 10 litres of petrol. How far can it go on 30 litres (in km)?
36. 36.A car goes 45 km on 3 litres of petrol. How far can it go on 28 litres (in km)?
37. 37.If 12 mangoes cost ₹504, how much do 4 mangoes cost (in ₹)?
38. 38.If 12 notebooks cost ₹204, how much do 4 notebooks cost (in ₹)?
39. 39.A car goes 56 km on 7 litres of petrol. How far can it go on 23 litres (in km)?
40. 40.If 7 erasers cost ₹350, how much do 4 erasers cost (in ₹)?

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