Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 89 · 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 hostel has enough food for 10 students for 23 days. How many days will the same food last for 5 students?
2. 2.A hostel has enough food for 4 students for 15 days. How many days will the same food last for 3 students?
3. 3.If 6 kg of rice costs ₹444, how many kg can you buy for ₹222?
4. 4.If 7 kg of rice costs ₹497, how many kg can you buy for ₹426?
5. 5.If 8 kg of rice costs ₹680, how many kg can you buy for ₹850?
6. 6.A hostel has enough food for 10 students for 6 days. How many days will the same food last for 6 students?
7. 7.If 2 kg of rice costs ₹40, how many kg can you buy for ₹280?
8. 8.If 4 mangoes cost ₹132, how much do 2 mangoes cost (in ₹)?
9. 9.If 9 kg of rice costs ₹603, how many kg can you buy for ₹871?
10. 10.If 9 cricket balls cost ₹108, how much do 4 cricket balls cost (in ₹)?
11. 11.If 3 mangoes cost ₹45, how much do 6 mangoes cost (in ₹)?
12. 12.5 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
13. 13.If 8 kg of rice costs ₹312, how many kg can you buy for ₹390?
14. 14.A car goes 90 km on 5 litres of petrol. How far can it go on 14 litres (in km)?
15. 15.A car goes 120 km on 10 litres of petrol. How far can it go on 37 litres (in km)?
16. 16.If 4 erasers cost ₹12, how much do 13 erasers cost (in ₹)?
17. 17.If 2 kg of rice costs ₹68, how many kg can you buy for ₹510?
18. 18.A car goes 84 km on 7 litres of petrol. How far can it go on 23 litres (in km)?
19. 19.If 9 kites cost ₹171, how much do 10 kites cost (in ₹)?
20. 20.11 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
21. 21.If 8 mangoes cost ₹184, how much do 20 mangoes cost (in ₹)?
22. 22.If 11 mangoes cost ₹176, how much do 9 mangoes cost (in ₹)?
23. 23.If 4 kg of rice costs ₹132, how many kg can you buy for ₹165?
24. 24.If 2 notebooks cost ₹80, how much do 11 notebooks cost (in ₹)?
25. 25.A car goes 36 km on 4 litres of petrol. How far can it go on 2 litres (in km)?
26. 26.If 2 kg of rice costs ₹124, how many kg can you buy for ₹186?
27. 27.A hostel has enough food for 10 students for 28 days. How many days will the same food last for 14 students?
28. 28.If 11 kites cost ₹429, how much do 6 kites cost (in ₹)?
29. 29.A car goes 88 km on 11 litres of petrol. How far can it go on 3 litres (in km)?
30. 30.If 9 pens cost ₹171, how much do 2 pens cost (in ₹)?
31. 31.A car goes 276 km on 12 litres of petrol. How far can it go on 25 litres (in km)?
32. 32.If 8 kg of rice costs ₹312, how many kg can you buy for ₹468?
33. 33.4 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
34. 34.If 2 kg of rice costs ₹104, how many kg can you buy for ₹624?
35. 35.If 7 bottles of juice cost ₹21, how much do 4 bottles of juice cost (in ₹)?
36. 36.If 6 mangoes cost ₹222, how much do 8 mangoes cost (in ₹)?
37. 37.A hostel has enough food for 3 students for 18 days. How many days will the same food last for 18 students?
38. 38.A car goes 153 km on 9 litres of petrol. How far can it go on 37 litres (in km)?
39. 39.If 5 erasers cost ₹110, how much do 14 erasers cost (in ₹)?
40. 40.If 5 kites cost ₹170, how much do 14 kites cost (in ₹)?

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