Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 562 · 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 2 students for 22 days. How many days will the same food last for 11 students?
2. 2.If 5 kg of rice costs ₹185, how many kg can you buy for ₹333?
3. 3.8 painters can paint a school in 7 days. How many days would 4 painters take, working at the same speed?
4. 4.A car goes 240 km on 12 litres of petrol. How far can it go on 22 litres (in km)?
5. 5.A car goes 200 km on 8 litres of petrol. How far can it go on 18 litres (in km)?
6. 6.A car goes 143 km on 11 litres of petrol. How far can it go on 17 litres (in km)?
7. 7.A hostel has enough food for 9 students for 15 days. How many days will the same food last for 15 students?
8. 8.A car goes 24 km on 2 litres of petrol. How far can it go on 34 litres (in km)?
9. 9.If 6 kg of rice costs ₹360, how many kg can you buy for ₹480?
10. 10.A car goes 36 km on 4 litres of petrol. How far can it go on 15 litres (in km)?
11. 11.If 7 erasers cost ₹56, how much do 9 erasers cost (in ₹)?
12. 12.7 painters can paint a school in 20 days. How many days would 4 painters take, working at the same speed?
13. 13.If 9 kg of rice costs ₹243, how many kg can you buy for ₹216?
14. 14.A car goes 90 km on 6 litres of petrol. How far can it go on 32 litres (in km)?
15. 15.If 8 bottles of juice cost ₹24, how much do 9 bottles of juice cost (in ₹)?
16. 16.If 4 cricket balls cost ₹228, how much do 9 cricket balls cost (in ₹)?
17. 17.A car goes 152 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
18. 18.2 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
19. 19.If 4 kg of rice costs ₹108, how many kg can you buy for ₹54?
20. 20.A car goes 40 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
21. 21.If 3 kg of rice costs ₹90, how many kg can you buy for ₹420?
22. 22.5 painters can paint a school in 24 days. How many days would 4 painters take, working at the same speed?
23. 23.A car goes 69 km on 3 litres of petrol. How far can it go on 36 litres (in km)?
24. 24.A car goes 78 km on 6 litres of petrol. How far can it go on 30 litres (in km)?
25. 25.If 10 pencil boxes cost ₹550, how much do 15 pencil boxes cost (in ₹)?
26. 26.If 8 kites cost ₹152, how much do 6 kites cost (in ₹)?
27. 27.If 8 pens cost ₹272, how much do 17 pens cost (in ₹)?
28. 28.7 painters can paint a school in 10 days. How many days would 14 painters take, working at the same speed?
29. 29.If 5 cricket balls cost ₹80, how much do 2 cricket balls cost (in ₹)?
30. 30.If 4 erasers cost ₹232, how much do 2 erasers cost (in ₹)?
31. 31.A hostel has enough food for 9 students for 17 days. How many days will the same food last for 3 students?
32. 32.If 3 notebooks cost ₹168, how much do 19 notebooks cost (in ₹)?
33. 33.A car goes 48 km on 3 litres of petrol. How far can it go on 37 litres (in km)?
34. 34.A car goes 90 km on 10 litres of petrol. How far can it go on 18 litres (in km)?
35. 35.If 7 kites cost ₹119, how much do 14 kites cost (in ₹)?
36. 36.If 9 mangoes cost ₹396, how much do 10 mangoes cost (in ₹)?
37. 37.If 8 pens cost ₹80, how much do 7 pens cost (in ₹)?
38. 38.If 4 notebooks cost ₹64, how much do 20 notebooks cost (in ₹)?
39. 39.4 painters can paint a school in 28 days. How many days would 16 painters take, working at the same speed?
40. 40.A hostel has enough food for 6 students for 6 days. How many days will the same food last for 3 students?

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