Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 66 · 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 84 km on 4 litres of petrol. How far can it go on 38 litres (in km)?
2. 2.If 3 kites cost ₹18, how much do 9 kites cost (in ₹)?
3. 3.If 5 kg of rice costs ₹115, how many kg can you buy for ₹69?
4. 4.A car goes 117 km on 9 litres of petrol. How far can it go on 15 litres (in km)?
5. 5.If 5 pens cost ₹20, how much do 17 pens cost (in ₹)?
6. 6.A hostel has enough food for 10 students for 13 days. How many days will the same food last for 5 students?
7. 7.If 4 erasers cost ₹116, how much do 14 erasers cost (in ₹)?
8. 8.A car goes 28 km on 2 litres of petrol. How far can it go on 4 litres (in km)?
9. 9.If 8 erasers cost ₹48, how much do 16 erasers cost (in ₹)?
10. 10.If 5 kg of rice costs ₹320, how many kg can you buy for ₹256?
11. 11.A car goes 250 km on 10 litres of petrol. How far can it go on 7 litres (in km)?
12. 12.If 8 notebooks cost ₹376, how much do 6 notebooks cost (in ₹)?
13. 13.2 painters can paint a school in 14 days. How many days would 7 painters take, working at the same speed?
14. 14.If 11 cricket balls cost ₹308, how much do 14 cricket balls cost (in ₹)?
15. 15.If 8 cricket balls cost ₹432, how much do 18 cricket balls cost (in ₹)?
16. 16.A car goes 40 km on 2 litres of petrol. How far can it go on 13 litres (in km)?
17. 17.If 5 pens cost ₹155, how much do 13 pens cost (in ₹)?
18. 18.A hostel has enough food for 8 students for 27 days. How many days will the same food last for 18 students?
19. 19.A car goes 60 km on 6 litres of petrol. How far can it go on 34 litres (in km)?
20. 20.If 4 bottles of juice cost ₹20, how much do 20 bottles of juice cost (in ₹)?
21. 21.7 painters can paint a school in 21 days. How many days would 21 painters take, working at the same speed?
22. 22.If 8 cricket balls cost ₹336, how much do 18 cricket balls cost (in ₹)?
23. 23.A car goes 20 km on 2 litres of petrol. How far can it go on 15 litres (in km)?
24. 24.4 painters can paint a school in 24 days. How many days would 16 painters take, working at the same speed?
25. 25.If 3 kg of rice costs ₹66, how many kg can you buy for ₹198?
26. 26.A hostel has enough food for 2 students for 30 days. How many days will the same food last for 6 students?
27. 27.A hostel has enough food for 2 students for 18 days. How many days will the same food last for 4 students?
28. 28.A hostel has enough food for 10 students for 16 days. How many days will the same food last for 8 students?
29. 29.If 12 mangoes cost ₹720, how much do 9 mangoes cost (in ₹)?
30. 30.If 12 notebooks cost ₹300, how much do 6 notebooks cost (in ₹)?
31. 31.If 9 cricket balls cost ₹495, how much do 2 cricket balls cost (in ₹)?
32. 32.If 4 kg of rice costs ₹136, how many kg can you buy for ₹238?
33. 33.A car goes 63 km on 7 litres of petrol. How far can it go on 15 litres (in km)?
34. 34.If 9 kites cost ₹144, how much do 14 kites cost (in ₹)?
35. 35.If 5 notebooks cost ₹85, how much do 3 notebooks cost (in ₹)?
36. 36.9 painters can paint a school in 20 days. How many days would 3 painters take, working at the same speed?
37. 37.If 10 cricket balls cost ₹230, how much do 15 cricket balls cost (in ₹)?
38. 38.If 2 pencil boxes cost ₹18, how much do 9 pencil boxes cost (in ₹)?
39. 39.If 9 erasers cost ₹90, how much do 7 erasers cost (in ₹)?
40. 40.If 8 pencil boxes cost ₹112, how much do 17 pencil boxes cost (in ₹)?

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