Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 263 · 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 hostel has enough food for 10 students for 11 days. How many days will the same food last for 2 students?
2. 2.A hostel has enough food for 5 students for 23 days. How many days will the same food last for 23 students?
3. 3.If 11 erasers cost ₹594, how much do 14 erasers cost (in ₹)?
4. 4.If 9 pens cost ₹189, how much do 5 pens cost (in ₹)?
5. 5.A car goes 88 km on 8 litres of petrol. How far can it go on 5 litres (in km)?
6. 6.A hostel has enough food for 4 students for 30 days. How many days will the same food last for 6 students?
7. 7.A hostel has enough food for 5 students for 18 days. How many days will the same food last for 2 students?
8. 8.If 8 kg of rice costs ₹376, how many kg can you buy for ₹141?
9. 9.A car goes 24 km on 3 litres of petrol. How far can it go on 15 litres (in km)?
10. 10.If 7 notebooks cost ₹329, how much do 12 notebooks cost (in ₹)?
11. 11.If 4 bottles of juice cost ₹224, how much do 10 bottles of juice cost (in ₹)?
12. 12.If 5 kites cost ₹295, how much do 2 kites cost (in ₹)?
13. 13.If 6 kg of rice costs ₹126, how many kg can you buy for ₹210?
14. 14.A hostel has enough food for 8 students for 17 days. How many days will the same food last for 4 students?
15. 15.If 8 mangoes cost ₹280, how much do 5 mangoes cost (in ₹)?
16. 16.If 2 kites cost ₹116, how much do 12 kites cost (in ₹)?
17. 17.If 4 notebooks cost ₹24, how much do 18 notebooks cost (in ₹)?
18. 18.If 11 pens cost ₹121, how much do 9 pens cost (in ₹)?
19. 19.A car goes 96 km on 8 litres of petrol. How far can it go on 3 litres (in km)?
20. 20.If 4 notebooks cost ₹76, how much do 14 notebooks cost (in ₹)?
21. 21.A car goes 88 km on 11 litres of petrol. How far can it go on 10 litres (in km)?
22. 22.2 painters can paint a school in 30 days. How many days would 10 painters take, working at the same speed?
23. 23.A car goes 24 km on 2 litres of petrol. How far can it go on 40 litres (in km)?
24. 24.8 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 ₹129, how many kg can you buy for ₹387?
26. 26.3 painters can paint a school in 16 days. How many days would 24 painters take, working at the same speed?
27. 27.If 2 kg of rice costs ₹152, how many kg can you buy for ₹1140?
28. 28.If 5 kg of rice costs ₹225, how many kg can you buy for ₹270?
29. 29.A hostel has enough food for 9 students for 28 days. How many days will the same food last for 12 students?
30. 30.If 5 kg of rice costs ₹285, how many kg can you buy for ₹741?
31. 31.A car goes 165 km on 11 litres of petrol. How far can it go on 25 litres (in km)?
32. 32.If 9 erasers cost ₹54, how much do 5 erasers cost (in ₹)?
33. 33.A car goes 56 km on 4 litres of petrol. How far can it go on 10 litres (in km)?
34. 34.If 3 erasers cost ₹132, how much do 17 erasers cost (in ₹)?
35. 35.If 8 kites cost ₹24, how much do 17 kites cost (in ₹)?
36. 36.A hostel has enough food for 7 students for 4 days. How many days will the same food last for 14 students?
37. 37.If 9 kg of rice costs ₹207, how many kg can you buy for ₹138?
38. 38.If 8 pens cost ₹328, how much do 17 pens cost (in ₹)?
39. 39.If 9 mangoes cost ₹369, how much do 10 mangoes cost (in ₹)?
40. 40.If 2 kg of rice costs ₹164, how many kg can you buy for ₹820?

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