Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 147 · 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 192 km on 8 litres of petrol. How far can it go on 20 litres (in km)?
2. 2.If 2 notebooks cost ₹28, how much do 3 notebooks cost (in ₹)?
3. 3.If 10 pens cost ₹100, how much do 20 pens cost (in ₹)?
4. 4.A car goes 63 km on 3 litres of petrol. How far can it go on 22 litres (in km)?
5. 5.If 10 bottles of juice cost ₹380, how much do 12 bottles of juice cost (in ₹)?
6. 6.3 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
7. 7.If 2 pencil boxes cost ₹14, how much do 13 pencil boxes cost (in ₹)?
8. 8.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 20 students?
9. 9.If 2 kg of rice costs ₹170, how many kg can you buy for ₹1190?
10. 10.If 5 kg of rice costs ₹265, how many kg can you buy for ₹477?
11. 11.If 2 pens cost ₹82, how much do 5 pens cost (in ₹)?
12. 12.If 10 kites cost ₹60, how much do 11 kites cost (in ₹)?
13. 13.If 6 kg of rice costs ₹450, how many kg can you buy for ₹225?
14. 14.If 2 kg of rice costs ₹130, how many kg can you buy for ₹715?
15. 15.If 3 kg of rice costs ₹228, how many kg can you buy for ₹836?
16. 16.A car goes 132 km on 6 litres of petrol. How far can it go on 40 litres (in km)?
17. 17.10 painters can paint a school in 24 days. How many days would 6 painters take, working at the same speed?
18. 18.If 8 kg of rice costs ₹432, how many kg can you buy for ₹810?
19. 19.A hostel has enough food for 7 students for 6 days. How many days will the same food last for 21 students?
20. 20.If 3 kg of rice costs ₹129, how many kg can you buy for ₹258?
21. 21.If 8 kg of rice costs ₹608, how many kg can you buy for ₹684?
22. 22.If 2 kg of rice costs ₹58, how many kg can you buy for ₹319?
23. 23.If 2 kg of rice costs ₹138, how many kg can you buy for ₹828?
24. 24.If 6 kg of rice costs ₹216, how many kg can you buy for ₹288?
25. 25.If 7 mangoes cost ₹105, how much do 9 mangoes cost (in ₹)?
26. 26.If 11 notebooks cost ₹506, how much do 16 notebooks cost (in ₹)?
27. 27.11 painters can paint a school in 12 days. How many days would 4 painters take, working at the same speed?
28. 28.4 painters can paint a school in 6 days. How many days would 2 painters take, working at the same speed?
29. 29.If 4 kg of rice costs ₹112, how many kg can you buy for ₹336?
30. 30.If 11 pens cost ₹660, how much do 15 pens cost (in ₹)?
31. 31.2 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
32. 32.4 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
33. 33.A car goes 216 km on 12 litres of petrol. How far can it go on 25 litres (in km)?
34. 34.A car goes 132 km on 12 litres of petrol. How far can it go on 29 litres (in km)?
35. 35.If 9 pencil boxes cost ₹405, how much do 3 pencil boxes cost (in ₹)?
36. 36.If 3 cricket balls cost ₹84, how much do 13 cricket balls cost (in ₹)?
37. 37.12 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
38. 38.If 7 kg of rice costs ₹609, how many kg can you buy for ₹1305?
39. 39.If 9 pencil boxes cost ₹180, how much do 10 pencil boxes cost (in ₹)?
40. 40.If 9 kg of rice costs ₹801, how many kg can you buy for ₹1157?

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