Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 249 · 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 car goes 144 km on 9 litres of petrol. How far can it go on 8 litres (in km)?
2. 2.A hostel has enough food for 8 students for 22 days. How many days will the same food last for 22 students?
3. 3.If 2 kg of rice costs ₹72, how many kg can you buy for ₹468?
4. 4.A car goes 44 km on 2 litres of petrol. How far can it go on 19 litres (in km)?
5. 5.If 5 kg of rice costs ₹425, how many kg can you buy for ₹1275?
6. 6.11 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
7. 7.A car goes 253 km on 11 litres of petrol. How far can it go on 4 litres (in km)?
8. 8.If 3 cricket balls cost ₹12, how much do 13 cricket balls cost (in ₹)?
9. 9.If 7 bottles of juice cost ₹112, how much do 6 bottles of juice cost (in ₹)?
10. 10.If 10 bottles of juice cost ₹260, how much do 5 bottles of juice cost (in ₹)?
11. 11.If 4 pens cost ₹76, how much do 2 pens cost (in ₹)?
12. 12.A car goes 276 km on 12 litres of petrol. How far can it go on 17 litres (in km)?
13. 13.A car goes 95 km on 5 litres of petrol. How far can it go on 26 litres (in km)?
14. 14.If 6 kg of rice costs ₹228, how many kg can you buy for ₹76?
15. 15.If 9 kg of rice costs ₹576, how many kg can you buy for ₹512?
16. 16.If 5 kites cost ₹225, how much do 2 kites cost (in ₹)?
17. 17.7 painters can paint a school in 30 days. How many days would 14 painters take, working at the same speed?
18. 18.7 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
19. 19.A hostel has enough food for 3 students for 20 days. How many days will the same food last for 10 students?
20. 20.If 2 kg of rice costs ₹106, how many kg can you buy for ₹742?
21. 21.If 11 bottles of juice cost ₹319, how much do 7 bottles of juice cost (in ₹)?
22. 22.If 4 kg of rice costs ₹232, how many kg can you buy for ₹754?
23. 23.If 6 notebooks cost ₹270, how much do 16 notebooks cost (in ₹)?
24. 24.If 11 mangoes cost ₹528, how much do 10 mangoes cost (in ₹)?
25. 25.If 9 erasers cost ₹153, how much do 14 erasers cost (in ₹)?
26. 26.A hostel has enough food for 11 students for 30 days. How many days will the same food last for 15 students?
27. 27.If 5 kg of rice costs ₹440, how many kg can you buy for ₹1232?
28. 28.If 7 cricket balls cost ₹56, how much do 11 cricket balls cost (in ₹)?
29. 29.If 3 pens cost ₹102, how much do 2 pens cost (in ₹)?
30. 30.If 4 pens cost ₹220, how much do 16 pens cost (in ₹)?
31. 31.2 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
32. 32.If 10 cricket balls cost ₹270, how much do 4 cricket balls cost (in ₹)?
33. 33.8 painters can paint a school in 22 days. How many days would 16 painters take, working at the same speed?
34. 34.4 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
35. 35.A car goes 100 km on 10 litres of petrol. How far can it go on 26 litres (in km)?
36. 36.If 2 kg of rice costs ₹44, how many kg can you buy for ₹66?
37. 37.If 3 kg of rice costs ₹168, how many kg can you buy for ₹728?
38. 38.If 3 notebooks cost ₹147, how much do 14 notebooks cost (in ₹)?
39. 39.If 3 kg of rice costs ₹87, how many kg can you buy for ₹377?
40. 40.If 8 kg of rice costs ₹552, how many kg can you buy for ₹138?

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