Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 248 · 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 11 students for 17 days. How many days will the same food last for 17 students?
2. 2.If 4 cricket balls cost ₹172, how much do 17 cricket balls cost (in ₹)?
3. 3.If 8 kg of rice costs ₹320, how many kg can you buy for ₹80?
4. 4.8 painters can paint a school in 16 days. How many days would 16 painters take, working at the same speed?
5. 5.A hostel has enough food for 2 students for 17 days. How many days will the same food last for 17 students?
6. 6.If 8 pens cost ₹352, how much do 3 pens cost (in ₹)?
7. 7.7 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
8. 8.6 painters can paint a school in 18 days. How many days would 4 painters take, working at the same speed?
9. 9.4 painters can paint a school in 24 days. How many days would 3 painters take, working at the same speed?
10. 10.If 3 kites cost ₹54, how much do 14 kites cost (in ₹)?
11. 11.If 8 kg of rice costs ₹528, how many kg can you buy for ₹396?
12. 12.A car goes 275 km on 11 litres of petrol. How far can it go on 23 litres (in km)?
13. 13.A car goes 38 km on 2 litres of petrol. How far can it go on 19 litres (in km)?
14. 14.If 5 erasers cost ₹40, how much do 9 erasers cost (in ₹)?
15. 15.A car goes 55 km on 5 litres of petrol. How far can it go on 25 litres (in km)?
16. 16.If 6 kg of rice costs ₹336, how many kg can you buy for ₹280?
17. 17.4 painters can paint a school in 7 days. How many days would 2 painters take, working at the same speed?
18. 18.A car goes 108 km on 9 litres of petrol. How far can it go on 32 litres (in km)?
19. 19.If 4 cricket balls cost ₹48, how much do 16 cricket balls cost (in ₹)?
20. 20.If 9 kg of rice costs ₹567, how many kg can you buy for ₹504?
21. 21.A car goes 72 km on 3 litres of petrol. How far can it go on 7 litres (in km)?
22. 22.If 3 mangoes cost ₹171, how much do 6 mangoes cost (in ₹)?
23. 23.A car goes 170 km on 10 litres of petrol. How far can it go on 6 litres (in km)?
24. 24.If 2 bottles of juice cost ₹34, how much do 20 bottles of juice cost (in ₹)?
25. 25.If 8 kg of rice costs ₹384, how many kg can you buy for ₹96?
26. 26.If 7 kg of rice costs ₹371, how many kg can you buy for ₹424?
27. 27.If 10 pencil boxes cost ₹540, how much do 14 pencil boxes cost (in ₹)?
28. 28.A hostel has enough food for 9 students for 4 days. How many days will the same food last for 6 students?
29. 29.A car goes 33 km on 3 litres of petrol. How far can it go on 8 litres (in km)?
30. 30.A car goes 36 km on 2 litres of petrol. How far can it go on 11 litres (in km)?
31. 31.A car goes 198 km on 9 litres of petrol. How far can it go on 5 litres (in km)?
32. 32.If 8 pens cost ₹328, how much do 20 pens cost (in ₹)?
33. 33.A hostel has enough food for 3 students for 10 days. How many days will the same food last for 10 students?
34. 34.6 painters can paint a school in 5 days. How many days would 10 painters take, working at the same speed?
35. 35.A hostel has enough food for 9 students for 5 days. How many days will the same food last for 15 students?
36. 36.4 painters can paint a school in 7 days. How many days would 14 painters take, working at the same speed?
37. 37.If 3 bottles of juice cost ₹75, how much do 17 bottles of juice cost (in ₹)?
38. 38.If 4 cricket balls cost ₹76, how much do 15 cricket balls cost (in ₹)?
39. 39.If 11 notebooks cost ₹132, how much do 10 notebooks cost (in ₹)?
40. 40.A car goes 60 km on 3 litres of petrol. How far can it go on 28 litres (in km)?

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