Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 114 · 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 40 km on 4 litres of petrol. How far can it go on 17 litres (in km)?
2. 2.A car goes 135 km on 9 litres of petrol. How far can it go on 28 litres (in km)?
3. 3.If 5 kg of rice costs ₹325, how many kg can you buy for ₹260?
4. 4.If 11 kites cost ₹44, how much do 9 kites cost (in ₹)?
5. 5.A car goes 184 km on 8 litres of petrol. How far can it go on 5 litres (in km)?
6. 6.If 8 mangoes cost ₹416, how much do 6 mangoes cost (in ₹)?
7. 7.If 5 kg of rice costs ₹255, how many kg can you buy for ₹459?
8. 8.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 5 students?
9. 9.12 painters can paint a school in 8 days. How many days would 24 painters take, working at the same speed?
10. 10.If 8 pens cost ₹392, how much do 7 pens cost (in ₹)?
11. 11.If 8 kites cost ₹192, how much do 2 kites cost (in ₹)?
12. 12.A car goes 90 km on 5 litres of petrol. How far can it go on 7 litres (in km)?
13. 13.A car goes 120 km on 12 litres of petrol. How far can it go on 8 litres (in km)?
14. 14.If 2 kg of rice costs ₹42, how many kg can you buy for ₹294?
15. 15.If 7 kg of rice costs ₹567, how many kg can you buy for ₹486?
16. 16.5 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
17. 17.If 4 kg of rice costs ₹160, how many kg can you buy for ₹240?
18. 18.A car goes 250 km on 10 litres of petrol. How far can it go on 7 litres (in km)?
19. 19.If 4 kg of rice costs ₹148, how many kg can you buy for ₹74?
20. 20.A car goes 72 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
21. 21.A car goes 240 km on 12 litres of petrol. How far can it go on 14 litres (in km)?
22. 22.12 painters can paint a school in 12 days. How many days would 9 painters take, working at the same speed?
23. 23.A car goes 120 km on 12 litres of petrol. How far can it go on 24 litres (in km)?
24. 24.If 4 kg of rice costs ₹88, how many kg can you buy for ₹66?
25. 25.If 2 pens cost ₹28, how much do 11 pens cost (in ₹)?
26. 26.If 3 kg of rice costs ₹258, how many kg can you buy for ₹860?
27. 27.12 painters can paint a school in 22 days. How many days would 8 painters take, working at the same speed?
28. 28.If 10 notebooks cost ₹30, how much do 6 notebooks cost (in ₹)?
29. 29.If 3 notebooks cost ₹69, how much do 11 notebooks cost (in ₹)?
30. 30.8 painters can paint a school in 22 days. How many days would 16 painters take, working at the same speed?
31. 31.If 3 kg of rice costs ₹72, how many kg can you buy for ₹288?
32. 32.If 3 kg of rice costs ₹183, how many kg can you buy for ₹732?
33. 33.If 11 bottles of juice cost ₹33, how much do 17 bottles of juice cost (in ₹)?
34. 34.If 3 pencil boxes cost ₹57, how much do 10 pencil boxes cost (in ₹)?
35. 35.If 4 erasers cost ₹16, how much do 6 erasers cost (in ₹)?
36. 36.10 painters can paint a school in 4 days. How many days would 20 painters take, working at the same speed?
37. 37.If 2 kg of rice costs ₹52, how many kg can you buy for ₹104?
38. 38.12 painters can paint a school in 25 days. How many days would 15 painters take, working at the same speed?
39. 39.A car goes 68 km on 4 litres of petrol. How far can it go on 35 litres (in km)?
40. 40.If 2 kg of rice costs ₹78, how many kg can you buy for ₹156?

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