Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 544 · 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 2 kg of rice costs ₹80, how many kg can you buy for ₹200?
2. 2.A hostel has enough food for 5 students for 26 days. How many days will the same food last for 10 students?
3. 3.A car goes 80 km on 5 litres of petrol. How far can it go on 36 litres (in km)?
4. 4.12 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
5. 5.A hostel has enough food for 4 students for 21 days. How many days will the same food last for 12 students?
6. 6.If 12 bottles of juice cost ₹96, how much do 17 bottles of juice cost (in ₹)?
7. 7.If 9 kg of rice costs ₹261, how many kg can you buy for ₹377?
8. 8.5 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
9. 9.A car goes 70 km on 7 litres of petrol. How far can it go on 20 litres (in km)?
10. 10.A car goes 90 km on 10 litres of petrol. How far can it go on 29 litres (in km)?
11. 11.If 3 kg of rice costs ₹84, how many kg can you buy for ₹308?
12. 12.A car goes 126 km on 6 litres of petrol. How far can it go on 29 litres (in km)?
13. 13.If 12 pens cost ₹672, how much do 19 pens cost (in ₹)?
14. 14.If 12 erasers cost ₹72, how much do 18 erasers cost (in ₹)?
15. 15.If 2 pens cost ₹112, how much do 6 pens cost (in ₹)?
16. 16.If 3 bottles of juice cost ₹18, how much do 9 bottles of juice cost (in ₹)?
17. 17.If 4 kg of rice costs ₹308, how many kg can you buy for ₹231?
18. 18.If 9 pens cost ₹306, how much do 13 pens cost (in ₹)?
19. 19.If 2 notebooks cost ₹46, how much do 15 notebooks cost (in ₹)?
20. 20.If 7 kg of rice costs ₹245, how many kg can you buy for ₹70?
21. 21.A car goes 63 km on 3 litres of petrol. How far can it go on 10 litres (in km)?
22. 22.A car goes 90 km on 9 litres of petrol. How far can it go on 27 litres (in km)?
23. 23.If 5 pencil boxes cost ₹150, how much do 14 pencil boxes cost (in ₹)?
24. 24.A hostel has enough food for 3 students for 10 days. How many days will the same food last for 2 students?
25. 25.If 7 kg of rice costs ₹238, how many kg can you buy for ₹170?
26. 26.A hostel has enough food for 4 students for 21 days. How many days will the same food last for 7 students?
27. 27.A car goes 60 km on 6 litres of petrol. How far can it go on 8 litres (in km)?
28. 28.If 8 kg of rice costs ₹248, how many kg can you buy for ₹93?
29. 29.If 10 pens cost ₹160, how much do 6 pens cost (in ₹)?
30. 30.A hostel has enough food for 5 students for 22 days. How many days will the same food last for 2 students?
31. 31.If 3 notebooks cost ₹120, how much do 16 notebooks cost (in ₹)?
32. 32.If 4 bottles of juice cost ₹212, how much do 10 bottles of juice cost (in ₹)?
33. 33.If 6 kg of rice costs ₹216, how many kg can you buy for ₹396?
34. 34.12 painters can paint a school in 20 days. How many days would 6 painters take, working at the same speed?
35. 35.If 6 kg of rice costs ₹414, how many kg can you buy for ₹828?
36. 36.If 8 kg of rice costs ₹160, how many kg can you buy for ₹60?
37. 37.A hostel has enough food for 4 students for 15 days. How many days will the same food last for 2 students?
38. 38.If 8 kg of rice costs ₹376, how many kg can you buy for ₹611?
39. 39.If 10 cricket balls cost ₹30, how much do 3 cricket balls cost (in ₹)?
40. 40.A hostel has enough food for 4 students for 6 days. How many days will the same food last for 8 students?

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