Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 247 · 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 4 days. How many days would 2 painters take, working at the same speed?
2. 2.If 10 cricket balls cost ₹400, how much do 2 cricket balls cost (in ₹)?
3. 3.A hostel has enough food for 5 students for 28 days. How many days will the same food last for 10 students?
4. 4.A car goes 176 km on 11 litres of petrol. How far can it go on 10 litres (in km)?
5. 5.A car goes 72 km on 9 litres of petrol. How far can it go on 15 litres (in km)?
6. 6.If 12 pencil boxes cost ₹516, how much do 3 pencil boxes cost (in ₹)?
7. 7.If 8 bottles of juice cost ₹192, how much do 10 bottles of juice cost (in ₹)?
8. 8.A car goes 16 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
9. 9.If 11 pens cost ₹341, how much do 3 pens cost (in ₹)?
10. 10.If 11 mangoes cost ₹385, how much do 15 mangoes cost (in ₹)?
11. 11.If 8 kg of rice costs ₹272, how many kg can you buy for ₹374?
12. 12.A car goes 121 km on 11 litres of petrol. How far can it go on 26 litres (in km)?
13. 13.If 3 kg of rice costs ₹204, how many kg can you buy for ₹612?
14. 14.If 4 cricket balls cost ₹112, how much do 14 cricket balls cost (in ₹)?
15. 15.If 5 kites cost ₹100, how much do 6 kites cost (in ₹)?
16. 16.3 painters can paint a school in 30 days. How many days would 18 painters take, working at the same speed?
17. 17.If 3 erasers cost ₹177, how much do 14 erasers cost (in ₹)?
18. 18.If 2 bottles of juice cost ₹100, how much do 7 bottles of juice cost (in ₹)?
19. 19.A hostel has enough food for 3 students for 13 days. How many days will the same food last for 13 students?
20. 20.If 5 kg of rice costs ₹125, how many kg can you buy for ₹100?
21. 21.9 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
22. 22.If 7 kg of rice costs ₹217, how many kg can you buy for ₹155?
23. 23.If 2 kg of rice costs ₹72, how many kg can you buy for ₹252?
24. 24.If 6 cricket balls cost ₹342, how much do 3 cricket balls cost (in ₹)?
25. 25.If 2 erasers cost ₹36, how much do 19 erasers cost (in ₹)?
26. 26.If 7 kg of rice costs ₹196, how many kg can you buy for ₹112?
27. 27.A hostel has enough food for 4 students for 22 days. How many days will the same food last for 2 students?
28. 28.A hostel has enough food for 11 students for 26 days. How many days will the same food last for 22 students?
29. 29.If 4 kg of rice costs ₹160, how many kg can you buy for ₹120?
30. 30.A car goes 60 km on 5 litres of petrol. How far can it go on 26 litres (in km)?
31. 31.If 3 cricket balls cost ₹12, how much do 11 cricket balls cost (in ₹)?
32. 32.A car goes 112 km on 7 litres of petrol. How far can it go on 25 litres (in km)?
33. 33.A car goes 48 km on 6 litres of petrol. How far can it go on 5 litres (in km)?
34. 34.A car goes 125 km on 5 litres of petrol. How far can it go on 7 litres (in km)?
35. 35.A hostel has enough food for 8 students for 15 days. How many days will the same food last for 15 students?
36. 36.A car goes 45 km on 3 litres of petrol. How far can it go on 39 litres (in km)?
37. 37.A hostel has enough food for 4 students for 16 days. How many days will the same food last for 8 students?
38. 38.If 3 kg of rice costs ₹174, how many kg can you buy for ₹232?
39. 39.If 2 kg of rice costs ₹62, how many kg can you buy for ₹155?
40. 40.If 8 pens cost ₹56, how much do 2 pens cost (in ₹)?

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