Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 423 · 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. 1.7 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
2. 2.If 6 notebooks cost ₹210, how much do 18 notebooks cost (in ₹)?
3. 3.A car goes 84 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
4. 4.If 6 kg of rice costs ₹192, how many kg can you buy for ₹256?
5. 5.If 11 kites cost ₹99, how much do 16 kites cost (in ₹)?
6. 6.If 2 mangoes cost ₹34, how much do 6 mangoes cost (in ₹)?
7. 7.If 8 kg of rice costs ₹544, how many kg can you buy for ₹340?
8. 8.A car goes 80 km on 10 litres of petrol. How far can it go on 22 litres (in km)?
9. 9.A car goes 27 km on 3 litres of petrol. How far can it go on 25 litres (in km)?
10. 10.If 3 kg of rice costs ₹123, how many kg can you buy for ₹246?
11. 11.A car goes 170 km on 10 litres of petrol. How far can it go on 18 litres (in km)?
12. 12.A car goes 68 km on 4 litres of petrol. How far can it go on 7 litres (in km)?
13. 13.If 8 mangoes cost ₹200, how much do 7 mangoes cost (in ₹)?
14. 14.A car goes 48 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
15. 15.If 2 kg of rice costs ₹110, how many kg can you buy for ₹770?
16. 16.A hostel has enough food for 5 students for 10 days. How many days will the same food last for 2 students?
17. 17.If 4 kg of rice costs ₹164, how many kg can you buy for ₹205?
18. 18.8 painters can paint a school in 20 days. How many days would 4 painters take, working at the same speed?
19. 19.4 painters can paint a school in 10 days. How many days would 20 painters take, working at the same speed?
20. 20.A car goes 138 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
21. 21.A car goes 210 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
22. 22.A car goes 18 km on 2 litres of petrol. How far can it go on 6 litres (in km)?
23. 23.A car goes 50 km on 2 litres of petrol. How far can it go on 29 litres (in km)?
24. 24.If 3 kg of rice costs ₹192, how many kg can you buy for ₹832?
25. 25.A car goes 22 km on 2 litres of petrol. How far can it go on 4 litres (in km)?
26. 26.A car goes 220 km on 10 litres of petrol. How far can it go on 20 litres (in km)?
27. 27.A hostel has enough food for 5 students for 12 days. How many days will the same food last for 10 students?
28. 28.7 painters can paint a school in 18 days. How many days would 3 painters take, working at the same speed?
29. 29.If 2 kg of rice costs ₹162, how many kg can you buy for ₹1053?
30. 30.If 9 bottles of juice cost ₹531, how much do 12 bottles of juice cost (in ₹)?
31. 31.If 4 kg of rice costs ₹176, how many kg can you buy for ₹484?
32. 32.A car goes 132 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
33. 33.If 7 erasers cost ₹210, how much do 6 erasers cost (in ₹)?
34. 34.If 4 kg of rice costs ₹260, how many kg can you buy for ₹715?
35. 35.If 6 kg of rice costs ₹156, how many kg can you buy for ₹234?
36. 36.11 painters can paint a school in 8 days. How many days would 8 painters take, working at the same speed?
37. 37.If 9 bottles of juice cost ₹234, how much do 12 bottles of juice cost (in ₹)?
38. 38.If 9 pens cost ₹90, how much do 19 pens cost (in ₹)?
39. 39.4 painters can paint a school in 20 days. How many days would 16 painters take, working at the same speed?
40. 40.If 4 pens cost ₹148, how much do 14 pens cost (in ₹)?

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