Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 210 · 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.If 2 cricket balls cost ₹30, how much do 11 cricket balls cost (in ₹)?
2. 2.8 painters can paint a school in 22 days. How many days would 11 painters take, working at the same speed?
3. 3.A car goes 108 km on 12 litres of petrol. How far can it go on 40 litres (in km)?
4. 4.If 2 kites cost ₹118, how much do 5 kites cost (in ₹)?
5. 5.A hostel has enough food for 12 students for 22 days. How many days will the same food last for 11 students?
6. 6.If 8 bottles of juice cost ₹112, how much do 10 bottles of juice cost (in ₹)?
7. 7.If 2 kg of rice costs ₹84, how many kg can you buy for ₹210?
8. 8.A car goes 22 km on 2 litres of petrol. How far can it go on 27 litres (in km)?
9. 9.A car goes 50 km on 5 litres of petrol. How far can it go on 33 litres (in km)?
10. 10.If 7 kg of rice costs ₹539, how many kg can you buy for ₹462?
11. 11.If 9 kg of rice costs ₹639, how many kg can you buy for ₹284?
12. 12.If 2 kg of rice costs ₹48, how many kg can you buy for ₹240?
13. 13.7 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
14. 14.If 6 pens cost ₹318, how much do 11 pens cost (in ₹)?
15. 15.If 5 mangoes cost ₹85, how much do 16 mangoes cost (in ₹)?
16. 16.If 2 kg of rice costs ₹154, how many kg can you buy for ₹1155?
17. 17.A car goes 45 km on 3 litres of petrol. How far can it go on 35 litres (in km)?
18. 18.If 12 pens cost ₹228, how much do 10 pens cost (in ₹)?
19. 19.If 4 kg of rice costs ₹188, how many kg can you buy for ₹376?
20. 20.If 2 pens cost ₹54, how much do 19 pens cost (in ₹)?
21. 21.If 2 pencil boxes cost ₹12, how much do 3 pencil boxes cost (in ₹)?
22. 22.If 4 pens cost ₹148, how much do 6 pens cost (in ₹)?
23. 23.If 3 kg of rice costs ₹219, how many kg can you buy for ₹584?
24. 24.A hostel has enough food for 6 students for 13 days. How many days will the same food last for 3 students?
25. 25.A car goes 44 km on 4 litres of petrol. How far can it go on 36 litres (in km)?
26. 26.A car goes 168 km on 8 litres of petrol. How far can it go on 30 litres (in km)?
27. 27.If 5 kg of rice costs ₹390, how many kg can you buy for ₹702?
28. 28.If 11 mangoes cost ₹121, how much do 4 mangoes cost (in ₹)?
29. 29.2 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
30. 30.A hostel has enough food for 2 students for 10 days. How many days will the same food last for 10 students?
31. 31.A hostel has enough food for 6 students for 13 days. How many days will the same food last for 2 students?
32. 32.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
33. 33.A car goes 42 km on 2 litres of petrol. How far can it go on 22 litres (in km)?
34. 34.If 3 mangoes cost ₹129, how much do 10 mangoes cost (in ₹)?
35. 35.If 3 kg of rice costs ₹78, how many kg can you buy for ₹130?
36. 36.If 4 kg of rice costs ₹360, how many kg can you buy for ₹900?
37. 37.A car goes 60 km on 5 litres of petrol. How far can it go on 33 litres (in km)?
38. 38.A hostel has enough food for 11 students for 7 days. How many days will the same food last for 7 students?
39. 39.A hostel has enough food for 6 students for 6 days. How many days will the same food last for 2 students?
40. 40.If 9 kites cost ₹369, how much do 20 kites cost (in ₹)?

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