Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 218 · 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 24 km on 3 litres of petrol. How far can it go on 20 litres (in km)?
2. 2.If 7 kg of rice costs ₹168, how many kg can you buy for ₹336?
3. 3.8 painters can paint a school in 19 days. How many days would 4 painters take, working at the same speed?
4. 4.2 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
5. 5.If 10 kites cost ₹240, how much do 7 kites cost (in ₹)?
6. 6.8 painters can paint a school in 5 days. How many days would 20 painters take, working at the same speed?
7. 7.A car goes 110 km on 11 litres of petrol. How far can it go on 20 litres (in km)?
8. 8.3 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
9. 9.A car goes 105 km on 5 litres of petrol. How far can it go on 16 litres (in km)?
10. 10.A hostel has enough food for 11 students for 24 days. How many days will the same food last for 12 students?
11. 11.If 3 pencil boxes cost ₹168, how much do 20 pencil boxes cost (in ₹)?
12. 12.If 5 kg of rice costs ₹135, how many kg can you buy for ₹324?
13. 13.A car goes 77 km on 7 litres of petrol. How far can it go on 34 litres (in km)?
14. 14.If 5 kg of rice costs ₹300, how many kg can you buy for ₹240?
15. 15.A car goes 91 km on 7 litres of petrol. How far can it go on 18 litres (in km)?
16. 16.9 painters can paint a school in 28 days. How many days would 6 painters take, working at the same speed?
17. 17.If 8 bottles of juice cost ₹32, how much do 7 bottles of juice cost (in ₹)?
18. 18.A car goes 55 km on 5 litres of petrol. How far can it go on 18 litres (in km)?
19. 19.3 painters can paint a school in 20 days. How many days would 20 painters take, working at the same speed?
20. 20.If 6 pens cost ₹294, how much do 7 pens cost (in ₹)?
21. 21.If 3 kg of rice costs ₹75, how many kg can you buy for ₹300?
22. 22.If 7 pens cost ₹294, how much do 14 pens cost (in ₹)?
23. 23.A car goes 84 km on 4 litres of petrol. How far can it go on 38 litres (in km)?
24. 24.4 painters can paint a school in 7 days. How many days would 14 painters take, working at the same speed?
25. 25.If 2 mangoes cost ₹62, how much do 6 mangoes cost (in ₹)?
26. 26.If 7 erasers cost ₹238, how much do 12 erasers cost (in ₹)?
27. 27.9 painters can paint a school in 21 days. How many days would 21 painters take, working at the same speed?
28. 28.A hostel has enough food for 6 students for 7 days. How many days will the same food last for 3 students?
29. 29.12 painters can paint a school in 30 days. How many days would 9 painters take, working at the same speed?
30. 30.If 2 notebooks cost ₹32, how much do 8 notebooks cost (in ₹)?
31. 31.9 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
32. 32.A car goes 48 km on 2 litres of petrol. How far can it go on 3 litres (in km)?
33. 33.If 6 kg of rice costs ₹144, how many kg can you buy for ₹264?
34. 34.A car goes 56 km on 7 litres of petrol. How far can it go on 28 litres (in km)?
35. 35.If 3 pens cost ₹57, how much do 8 pens cost (in ₹)?
36. 36.If 9 kg of rice costs ₹684, how many kg can you buy for ₹152?
37. 37.A hostel has enough food for 9 students for 25 days. How many days will the same food last for 5 students?
38. 38.If 3 cricket balls cost ₹171, how much do 2 cricket balls cost (in ₹)?
39. 39.If 9 pens cost ₹63, how much do 11 pens cost (in ₹)?
40. 40.If 3 pens cost ₹135, how much do 6 pens cost (in ₹)?

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