Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 388 · 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. 1.4 painters can paint a school in 23 days. How many days would 2 painters take, working at the same speed?
2. 2.If 2 cricket balls cost ₹10, how much do 10 cricket balls cost (in ₹)?
3. 3.If 9 erasers cost ₹81, how much do 5 erasers cost (in ₹)?
4. 4.A hostel has enough food for 3 students for 25 days. How many days will the same food last for 5 students?
5. 5.If 12 erasers cost ₹588, how much do 18 erasers cost (in ₹)?
6. 6.If 3 bottles of juice cost ₹27, how much do 20 bottles of juice cost (in ₹)?
7. 7.If 3 kites cost ₹63, how much do 17 kites cost (in ₹)?
8. 8.A car goes 24 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
9. 9.A car goes 60 km on 6 litres of petrol. How far can it go on 33 litres (in km)?
10. 10.4 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
11. 11.A car goes 77 km on 7 litres of petrol. How far can it go on 25 litres (in km)?
12. 12.If 2 kg of rice costs ₹76, how many kg can you buy for ₹304?
13. 13.If 11 cricket balls cost ₹88, how much do 12 cricket balls cost (in ₹)?
14. 14.If 8 mangoes cost ₹56, how much do 12 mangoes cost (in ₹)?
15. 15.If 9 kg of rice costs ₹594, how many kg can you buy for ₹132?
16. 16.8 painters can paint a school in 11 days. How many days would 4 painters take, working at the same speed?
17. 17.If 3 kg of rice costs ₹162, how many kg can you buy for ₹108?
18. 18.A car goes 96 km on 8 litres of petrol. How far can it go on 5 litres (in km)?
19. 19.If 12 notebooks cost ₹468, how much do 15 notebooks cost (in ₹)?
20. 20.A car goes 192 km on 8 litres of petrol. How far can it go on 10 litres (in km)?
21. 21.If 6 kg of rice costs ₹390, how many kg can you buy for ₹195?
22. 22.If 4 mangoes cost ₹164, how much do 12 mangoes cost (in ₹)?
23. 23.If 4 kg of rice costs ₹324, how many kg can you buy for ₹648?
24. 24.A car goes 175 km on 7 litres of petrol. How far can it go on 2 litres (in km)?
25. 25.If 3 kg of rice costs ₹75, how many kg can you buy for ₹275?
26. 26.If 7 notebooks cost ₹280, how much do 15 notebooks cost (in ₹)?
27. 27.If 3 kg of rice costs ₹186, how many kg can you buy for ₹620?
28. 28.A car goes 60 km on 3 litres of petrol. How far can it go on 17 litres (in km)?
29. 29.If 2 kg of rice costs ₹96, how many kg can you buy for ₹240?
30. 30.A hostel has enough food for 2 students for 23 days. How many days will the same food last for 23 students?
31. 31.11 painters can paint a school in 12 days. How many days would 22 painters take, working at the same speed?
32. 32.If 9 pens cost ₹414, how much do 12 pens cost (in ₹)?
33. 33.4 painters can paint a school in 16 days. How many days would 8 painters take, working at the same speed?
34. 34.If 2 bottles of juice cost ₹94, how much do 6 bottles of juice cost (in ₹)?
35. 35.If 2 kg of rice costs ₹68, how many kg can you buy for ₹340?
36. 36.If 11 notebooks cost ₹561, how much do 5 notebooks cost (in ₹)?
37. 37.If 3 kg of rice costs ₹168, how many kg can you buy for ₹112?
38. 38.A car goes 117 km on 9 litres of petrol. How far can it go on 14 litres (in km)?
39. 39.If 6 kg of rice costs ₹210, how many kg can you buy for ₹280?
40. 40.If 11 pencil boxes cost ₹319, how much do 10 pencil boxes cost (in ₹)?

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