Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 285 · 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 21 days. How many days would 3 painters take, working at the same speed?
2. 2.If 2 kg of rice costs ₹96, how many kg can you buy for ₹144?
3. 3.3 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
4. 4.A car goes 130 km on 10 litres of petrol. How far can it go on 27 litres (in km)?
5. 5.If 12 pens cost ₹588, how much do 7 pens cost (in ₹)?
6. 6.A car goes 66 km on 6 litres of petrol. How far can it go on 37 litres (in km)?
7. 7.A car goes 88 km on 11 litres of petrol. How far can it go on 16 litres (in km)?
8. 8.A hostel has enough food for 12 students for 18 days. How many days will the same food last for 8 students?
9. 9.3 painters can paint a school in 8 days. How many days would 2 painters take, working at the same speed?
10. 10.If 6 kg of rice costs ₹234, how many kg can you buy for ₹351?
11. 11.5 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
12. 12.If 2 kg of rice costs ₹178, how many kg can you buy for ₹356?
13. 13.A car goes 252 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
14. 14.If 8 pencil boxes cost ₹392, how much do 2 pencil boxes cost (in ₹)?
15. 15.A car goes 80 km on 8 litres of petrol. How far can it go on 32 litres (in km)?
16. 16.A hostel has enough food for 6 students for 4 days. How many days will the same food last for 4 students?
17. 17.2 painters can paint a school in 20 days. How many days would 8 painters take, working at the same speed?
18. 18.7 painters can paint a school in 8 days. How many days would 2 painters take, working at the same speed?
19. 19.A car goes 200 km on 8 litres of petrol. How far can it go on 40 litres (in km)?
20. 20.A car goes 75 km on 5 litres of petrol. How far can it go on 8 litres (in km)?
21. 21.If 3 pens cost ₹30, how much do 4 pens cost (in ₹)?
22. 22.A car goes 126 km on 7 litres of petrol. How far can it go on 4 litres (in km)?
23. 23.If 8 pens cost ₹64, how much do 19 pens cost (in ₹)?
24. 24.A car goes 44 km on 4 litres of petrol. How far can it go on 5 litres (in km)?
25. 25.If 2 kg of rice costs ₹118, how many kg can you buy for ₹236?
26. 26.2 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
27. 27.A car goes 90 km on 10 litres of petrol. How far can it go on 5 litres (in km)?
28. 28.If 2 kg of rice costs ₹116, how many kg can you buy for ₹290?
29. 29.If 10 pens cost ₹580, how much do 5 pens cost (in ₹)?
30. 30.If 8 erasers cost ₹416, how much do 2 erasers cost (in ₹)?
31. 31.If 3 kg of rice costs ₹231, how many kg can you buy for ₹924?
32. 32.A hostel has enough food for 5 students for 22 days. How many days will the same food last for 2 students?
33. 33.If 7 bottles of juice cost ₹210, how much do 18 bottles of juice cost (in ₹)?
34. 34.A car goes 22 km on 2 litres of petrol. How far can it go on 22 litres (in km)?
35. 35.If 4 kg of rice costs ₹124, how many kg can you buy for ₹341?
36. 36.If 8 kg of rice costs ₹640, how many kg can you buy for ₹960?
37. 37.If 3 notebooks cost ₹171, how much do 7 notebooks cost (in ₹)?
38. 38.A car goes 85 km on 5 litres of petrol. How far can it go on 10 litres (in km)?
39. 39.If 8 cricket balls cost ₹80, how much do 16 cricket balls cost (in ₹)?
40. 40.10 painters can paint a school in 18 days. How many days would 6 painters take, working at the same speed?

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