Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 568 · 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 6 students for 4 days. How many days will the same food last for 2 students?
2. 2.If 7 kg of rice costs ₹357, how many kg can you buy for ₹153?
3. 3.A hostel has enough food for 11 students for 12 days. How many days will the same food last for 4 students?
4. 4.A hostel has enough food for 10 students for 30 days. How many days will the same food last for 5 students?
5. 5.If 4 erasers cost ₹216, how much do 8 erasers cost (in ₹)?
6. 6.If 3 kg of rice costs ₹270, how many kg can you buy for ₹1170?
7. 7.If 6 kg of rice costs ₹216, how many kg can you buy for ₹252?
8. 8.If 8 pens cost ₹224, how much do 12 pens cost (in ₹)?
9. 9.A car goes 64 km on 8 litres of petrol. How far can it go on 28 litres (in km)?
10. 10.If 7 kg of rice costs ₹378, how many kg can you buy for ₹216?
11. 11.If 11 bottles of juice cost ₹143, how much do 12 bottles of juice cost (in ₹)?
12. 12.If 3 pens cost ₹75, how much do 6 pens cost (in ₹)?
13. 13.12 painters can paint a school in 23 days. How many days would 6 painters take, working at the same speed?
14. 14.If 5 pens cost ₹20, how much do 6 pens cost (in ₹)?
15. 15.If 9 kg of rice costs ₹225, how many kg can you buy for ₹200?
16. 16.9 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
17. 17.11 painters can paint a school in 12 days. How many days would 22 painters take, working at the same speed?
18. 18.If 6 kg of rice costs ₹528, how many kg can you buy for ₹704?
19. 19.A car goes 38 km on 2 litres of petrol. How far can it go on 3 litres (in km)?
20. 20.If 8 notebooks cost ₹24, how much do 16 notebooks cost (in ₹)?
21. 21.A car goes 88 km on 11 litres of petrol. How far can it go on 20 litres (in km)?
22. 22.If 8 kg of rice costs ₹264, how many kg can you buy for ₹396?
23. 23.A car goes 96 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
24. 24.A car goes 72 km on 6 litres of petrol. How far can it go on 34 litres (in km)?
25. 25.A car goes 50 km on 5 litres of petrol. How far can it go on 18 litres (in km)?
26. 26.A car goes 144 km on 9 litres of petrol. How far can it go on 12 litres (in km)?
27. 27.3 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
28. 28.If 3 kg of rice costs ₹174, how many kg can you buy for ₹754?
29. 29.If 9 kg of rice costs ₹513, how many kg can you buy for ₹741?
30. 30.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 5 students?
31. 31.If 5 erasers cost ₹175, how much do 3 erasers cost (in ₹)?
32. 32.A car goes 180 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
33. 33.If 7 kg of rice costs ₹329, how many kg can you buy for ₹94?
34. 34.If 3 notebooks cost ₹156, how much do 18 notebooks cost (in ₹)?
35. 35.A hostel has enough food for 6 students for 26 days. How many days will the same food last for 13 students?
36. 36.If 2 kites cost ₹70, how much do 5 kites cost (in ₹)?
37. 37.A hostel has enough food for 11 students for 26 days. How many days will the same food last for 22 students?
38. 38.A car goes 96 km on 12 litres of petrol. How far can it go on 7 litres (in km)?
39. 39.If 7 kg of rice costs ₹616, how many kg can you buy for ₹1320?
40. 40.If 2 kg of rice costs ₹130, how many kg can you buy for ₹260?

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