Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 452 · 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 37 litres (in km)?
2. 2.A hostel has enough food for 10 students for 10 days. How many days will the same food last for 2 students?
3. 3.If 5 kg of rice costs ₹280, how many kg can you buy for ₹448?
4. 4.If 12 pencil boxes cost ₹552, how much do 19 pencil boxes cost (in ₹)?
5. 5.If 10 erasers cost ₹320, how much do 3 erasers cost (in ₹)?
6. 6.If 9 kg of rice costs ₹234, how many kg can you buy for ₹364?
7. 7.A car goes 20 km on 2 litres of petrol. How far can it go on 21 litres (in km)?
8. 8.If 5 pencil boxes cost ₹145, how much do 14 pencil boxes cost (in ₹)?
9. 9.If 12 mangoes cost ₹168, how much do 19 mangoes cost (in ₹)?
10. 10.If 10 pens cost ₹200, how much do 6 pens cost (in ₹)?
11. 11.If 8 kg of rice costs ₹584, how many kg can you buy for ₹1022?
12. 12.A car goes 220 km on 10 litres of petrol. How far can it go on 38 litres (in km)?
13. 13.A hostel has enough food for 7 students for 4 days. How many days will the same food last for 4 students?
14. 14.4 painters can paint a school in 6 days. How many days would 6 painters take, working at the same speed?
15. 15.If 11 kites cost ₹363, how much do 3 kites cost (in ₹)?
16. 16.If 4 notebooks cost ₹64, how much do 12 notebooks cost (in ₹)?
17. 17.A hostel has enough food for 12 students for 27 days. How many days will the same food last for 9 students?
18. 18.If 10 kites cost ₹600, how much do 8 kites cost (in ₹)?
19. 19.8 painters can paint a school in 20 days. How many days would 10 painters take, working at the same speed?
20. 20.If 4 kg of rice costs ₹312, how many kg can you buy for ₹546?
21. 21.6 painters can paint a school in 22 days. How many days would 4 painters take, working at the same speed?
22. 22.If 7 kg of rice costs ₹357, how many kg can you buy for ₹255?
23. 23.If 5 pencil boxes cost ₹185, how much do 3 pencil boxes cost (in ₹)?
24. 24.A car goes 39 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
25. 25.If 3 kg of rice costs ₹204, how many kg can you buy for ₹136?
26. 26.A car goes 209 km on 11 litres of petrol. How far can it go on 7 litres (in km)?
27. 27.If 6 kg of rice costs ₹402, how many kg can you buy for ₹268?
28. 28.A car goes 66 km on 3 litres of petrol. How far can it go on 40 litres (in km)?
29. 29.If 7 kg of rice costs ₹476, how many kg can you buy for ₹136?
30. 30.A car goes 143 km on 11 litres of petrol. How far can it go on 21 litres (in km)?
31. 31.If 6 erasers cost ₹156, how much do 19 erasers cost (in ₹)?
32. 32.If 6 erasers cost ₹222, how much do 15 erasers cost (in ₹)?
33. 33.A car goes 84 km on 4 litres of petrol. How far can it go on 19 litres (in km)?
34. 34.A hostel has enough food for 3 students for 20 days. How many days will the same food last for 5 students?
35. 35.A hostel has enough food for 9 students for 11 days. How many days will the same food last for 11 students?
36. 36.2 painters can paint a school in 15 days. How many days would 3 painters take, working at the same speed?
37. 37.A car goes 288 km on 12 litres of petrol. How far can it go on 30 litres (in km)?
38. 38.A hostel has enough food for 5 students for 30 days. How many days will the same food last for 6 students?
39. 39.If 5 kg of rice costs ₹320, how many kg can you buy for ₹576?
40. 40.A hostel has enough food for 11 students for 7 days. How many days will the same food last for 7 students?

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