Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 513 · 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. 1.3 painters can paint a school in 8 days. How many days would 4 painters take, working at the same speed?
2. 2.If 12 pens cost ₹648, how much do 5 pens cost (in ₹)?
3. 3.If 4 cricket balls cost ₹112, how much do 15 cricket balls cost (in ₹)?
4. 4.If 3 kg of rice costs ₹153, how many kg can you buy for ₹459?
5. 5.A car goes 120 km on 8 litres of petrol. How far can it go on 18 litres (in km)?
6. 6.If 4 kg of rice costs ₹188, how many kg can you buy for ₹423?
7. 7.If 4 kites cost ₹12, how much do 13 kites cost (in ₹)?
8. 8.A car goes 100 km on 10 litres of petrol. How far can it go on 24 litres (in km)?
9. 9.A hostel has enough food for 5 students for 15 days. How many days will the same food last for 15 students?
10. 10.If 2 pencil boxes cost ₹50, how much do 20 pencil boxes cost (in ₹)?
11. 11.A car goes 250 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
12. 12.If 5 kg of rice costs ₹265, how many kg can you buy for ₹159?
13. 13.If 7 pens cost ₹28, how much do 6 pens cost (in ₹)?
14. 14.If 3 cricket balls cost ₹27, how much do 20 cricket balls cost (in ₹)?
15. 15.If 8 kg of rice costs ₹160, how many kg can you buy for ₹180?
16. 16.If 2 kg of rice costs ₹158, how many kg can you buy for ₹1027?
17. 17.If 5 pencil boxes cost ₹155, how much do 16 pencil boxes cost (in ₹)?
18. 18.A car goes 24 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
19. 19.If 3 bottles of juice cost ₹15, how much do 12 bottles of juice cost (in ₹)?
20. 20.If 3 kg of rice costs ₹195, how many kg can you buy for ₹390?
21. 21.If 7 notebooks cost ₹77, how much do 13 notebooks cost (in ₹)?
22. 22.If 6 pens cost ₹330, how much do 19 pens cost (in ₹)?
23. 23.If 2 notebooks cost ₹14, how much do 8 notebooks cost (in ₹)?
24. 24.A car goes 114 km on 6 litres of petrol. How far can it go on 3 litres (in km)?
25. 25.A hostel has enough food for 9 students for 10 days. How many days will the same food last for 18 students?
26. 26.If 8 kg of rice costs ₹632, how many kg can you buy for ₹158?
27. 27.If 2 kg of rice costs ₹180, how many kg can you buy for ₹720?
28. 28.If 2 bottles of juice cost ₹90, how much do 11 bottles of juice cost (in ₹)?
29. 29.If 4 kg of rice costs ₹100, how many kg can you buy for ₹200?
30. 30.A hostel has enough food for 8 students for 12 days. How many days will the same food last for 4 students?
31. 31.12 painters can paint a school in 8 days. How many days would 6 painters take, working at the same speed?
32. 32.If 3 pens cost ₹126, how much do 6 pens cost (in ₹)?
33. 33.If 3 notebooks cost ₹180, how much do 13 notebooks cost (in ₹)?
34. 34.A car goes 48 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
35. 35.If 5 cricket balls cost ₹60, how much do 13 cricket balls cost (in ₹)?
36. 36.If 7 kg of rice costs ₹280, how many kg can you buy for ₹200?
37. 37.If 8 erasers cost ₹352, how much do 3 erasers cost (in ₹)?
38. 38.A car goes 120 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
39. 39.If 7 erasers cost ₹266, how much do 16 erasers cost (in ₹)?
40. 40.A car goes 180 km on 10 litres of petrol. How far can it go on 32 litres (in km)?

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