Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 308 · 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. 1.11 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
2. 2.If 3 kg of rice costs ₹138, how many kg can you buy for ₹92?
3. 3.If 3 bottles of juice cost ₹75, how much do 11 bottles of juice cost (in ₹)?
4. 4.A car goes 46 km on 2 litres of petrol. How far can it go on 20 litres (in km)?
5. 5.A car goes 20 km on 2 litres of petrol. How far can it go on 7 litres (in km)?
6. 6.A car goes 72 km on 3 litres of petrol. How far can it go on 15 litres (in km)?
7. 7.If 2 bottles of juice cost ₹106, how much do 9 bottles of juice cost (in ₹)?
8. 8.A car goes 112 km on 7 litres of petrol. How far can it go on 39 litres (in km)?
9. 9.12 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
10. 10.A car goes 75 km on 3 litres of petrol. How far can it go on 33 litres (in km)?
11. 11.7 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
12. 12.10 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
13. 13.If 3 kg of rice costs ₹117, how many kg can you buy for ₹195?
14. 14.A hostel has enough food for 8 students for 7 days. How many days will the same food last for 14 students?
15. 15.If 10 notebooks cost ₹130, how much do 5 notebooks cost (in ₹)?
16. 16.If 9 cricket balls cost ₹198, how much do 11 cricket balls cost (in ₹)?
17. 17.If 4 erasers cost ₹36, how much do 6 erasers cost (in ₹)?
18. 18.A hostel has enough food for 7 students for 8 days. How many days will the same food last for 14 students?
19. 19.If 8 mangoes cost ₹344, how much do 7 mangoes cost (in ₹)?
20. 20.A car goes 126 km on 7 litres of petrol. How far can it go on 5 litres (in km)?
21. 21.If 3 kg of rice costs ₹120, how many kg can you buy for ₹560?
22. 22.If 10 notebooks cost ₹130, how much do 4 notebooks cost (in ₹)?
23. 23.If 2 kg of rice costs ₹172, how many kg can you buy for ₹516?
24. 24.If 5 kg of rice costs ₹395, how many kg can you buy for ₹711?
25. 25.A car goes 64 km on 4 litres of petrol. How far can it go on 23 litres (in km)?
26. 26.If 4 kg of rice costs ₹196, how many kg can you buy for ₹490?
27. 27.If 2 kg of rice costs ₹76, how many kg can you buy for ₹456?
28. 28.If 2 kites cost ₹10, how much do 15 kites cost (in ₹)?
29. 29.If 8 notebooks cost ₹424, how much do 11 notebooks cost (in ₹)?
30. 30.A car goes 24 km on 3 litres of petrol. How far can it go on 2 litres (in km)?
31. 31.5 painters can paint a school in 12 days. How many days would 2 painters take, working at the same speed?
32. 32.A car goes 68 km on 4 litres of petrol. How far can it go on 3 litres (in km)?
33. 33.If 5 bottles of juice cost ₹65, how much do 7 bottles of juice cost (in ₹)?
34. 34.If 9 kg of rice costs ₹765, how many kg can you buy for ₹1020?
35. 35.If 7 kites cost ₹406, how much do 12 kites cost (in ₹)?
36. 36.If 7 kg of rice costs ₹266, how many kg can you buy for ₹532?
37. 37.If 3 kg of rice costs ₹204, how many kg can you buy for ₹680?
38. 38.8 painters can paint a school in 9 days. How many days would 18 painters take, working at the same speed?
39. 39.If 5 kg of rice costs ₹400, how many kg can you buy for ₹880?
40. 40.12 painters can paint a school in 28 days. How many days would 6 painters take, working at the same speed?

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