Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 42 · 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.If 6 kites cost ₹192, how much do 8 kites cost (in ₹)?
2. 2.A car goes 69 km on 3 litres of petrol. How far can it go on 9 litres (in km)?
3. 3.If 2 kg of rice costs ₹72, how many kg can you buy for ₹180?
4. 4.A car goes 136 km on 8 litres of petrol. How far can it go on 2 litres (in km)?
5. 5.A hostel has enough food for 7 students for 5 days. How many days will the same food last for 5 students?
6. 6.If 5 kg of rice costs ₹425, how many kg can you buy for ₹680?
7. 7.If 8 pencil boxes cost ₹400, how much do 14 pencil boxes cost (in ₹)?
8. 8.If 7 kg of rice costs ₹364, how many kg can you buy for ₹468?
9. 9.A hostel has enough food for 5 students for 12 days. How many days will the same food last for 10 students?
10. 10.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 2 students?
11. 11.A car goes 105 km on 7 litres of petrol. How far can it go on 25 litres (in km)?
12. 12.A car goes 112 km on 8 litres of petrol. How far can it go on 13 litres (in km)?
13. 13.A car goes 140 km on 10 litres of petrol. How far can it go on 34 litres (in km)?
14. 14.A car goes 110 km on 5 litres of petrol. How far can it go on 15 litres (in km)?
15. 15.If 7 kg of rice costs ₹581, how many kg can you buy for ₹913?
16. 16.If 3 pens cost ₹12, how much do 18 pens cost (in ₹)?
17. 17.A hostel has enough food for 2 students for 4 days. How many days will the same food last for 4 students?
18. 18.If 9 cricket balls cost ₹360, how much do 7 cricket balls cost (in ₹)?
19. 19.A car goes 147 km on 7 litres of petrol. How far can it go on 21 litres (in km)?
20. 20.10 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
21. 21.A car goes 66 km on 6 litres of petrol. How far can it go on 4 litres (in km)?
22. 22.A car goes 63 km on 3 litres of petrol. How far can it go on 29 litres (in km)?
23. 23.If 9 kites cost ₹450, how much do 4 kites cost (in ₹)?
24. 24.A car goes 147 km on 7 litres of petrol. How far can it go on 23 litres (in km)?
25. 25.If 7 mangoes cost ₹371, how much do 15 mangoes cost (in ₹)?
26. 26.If 2 erasers cost ₹38, how much do 7 erasers cost (in ₹)?
27. 27.If 5 mangoes cost ₹105, how much do 20 mangoes cost (in ₹)?
28. 28.A car goes 108 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
29. 29.If 3 notebooks cost ₹114, how much do 9 notebooks cost (in ₹)?
30. 30.If 3 kg of rice costs ₹90, how many kg can you buy for ₹120?
31. 31.If 11 pens cost ₹143, how much do 16 pens cost (in ₹)?
32. 32.If 2 notebooks cost ₹114, how much do 18 notebooks cost (in ₹)?
33. 33.A car goes 220 km on 10 litres of petrol. How far can it go on 14 litres (in km)?
34. 34.6 painters can paint a school in 14 days. How many days would 7 painters take, working at the same speed?
35. 35.If 4 pencil boxes cost ₹152, how much do 13 pencil boxes cost (in ₹)?
36. 36.If 3 kites cost ₹177, how much do 2 kites cost (in ₹)?
37. 37.A car goes 210 km on 10 litres of petrol. How far can it go on 38 litres (in km)?
38. 38.If 8 kites cost ₹136, how much do 20 kites cost (in ₹)?
39. 39.5 painters can paint a school in 9 days. How many days would 9 painters take, working at the same speed?
40. 40.If 8 kg of rice costs ₹480, how many kg can you buy for ₹720?

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