Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 473 · 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. 1.3 painters can paint a school in 28 days. How many days would 2 painters take, working at the same speed?
2. 2.A car goes 36 km on 4 litres of petrol. How far can it go on 2 litres (in km)?
3. 3.If 8 kg of rice costs ₹416, how many kg can you buy for ₹312?
4. 4.If 10 notebooks cost ₹180, how much do 14 notebooks cost (in ₹)?
5. 5.A car goes 84 km on 4 litres of petrol. How far can it go on 7 litres (in km)?
6. 6.If 5 kg of rice costs ₹240, how many kg can you buy for ₹336?
7. 7.6 painters can paint a school in 27 days. How many days would 3 painters take, working at the same speed?
8. 8.4 painters can paint a school in 20 days. How many days would 5 painters take, working at the same speed?
9. 9.A car goes 119 km on 7 litres of petrol. How far can it go on 2 litres (in km)?
10. 10.If 7 mangoes cost ₹385, how much do 14 mangoes cost (in ₹)?
11. 11.If 7 kg of rice costs ₹350, how many kg can you buy for ₹100?
12. 12.A hostel has enough food for 4 students for 6 days. How many days will the same food last for 8 students?
13. 13.If 3 kg of rice costs ₹216, how many kg can you buy for ₹648?
14. 14.If 12 erasers cost ₹336, how much do 17 erasers cost (in ₹)?
15. 15.If 11 notebooks cost ₹561, how much do 9 notebooks cost (in ₹)?
16. 16.If 5 erasers cost ₹170, how much do 4 erasers cost (in ₹)?
17. 17.If 12 mangoes cost ₹336, how much do 18 mangoes cost (in ₹)?
18. 18.A car goes 150 km on 10 litres of petrol. How far can it go on 17 litres (in km)?
19. 19.2 painters can paint a school in 27 days. How many days would 3 painters take, working at the same speed?
20. 20.If 6 kg of rice costs ₹282, how many kg can you buy for ₹611?
21. 21.A hostel has enough food for 2 students for 7 days. How many days will the same food last for 7 students?
22. 22.If 9 bottles of juice cost ₹216, how much do 18 bottles of juice cost (in ₹)?
23. 23.If 6 bottles of juice cost ₹216, how much do 2 bottles of juice cost (in ₹)?
24. 24.If 8 kg of rice costs ₹248, how many kg can you buy for ₹93?
25. 25.If 11 pencil boxes cost ₹649, how much do 8 pencil boxes cost (in ₹)?
26. 26.If 12 pencil boxes cost ₹444, how much do 8 pencil boxes cost (in ₹)?
27. 27.A hostel has enough food for 7 students for 20 days. How many days will the same food last for 20 students?
28. 28.If 8 kg of rice costs ₹704, how many kg can you buy for ₹616?
29. 29.A car goes 72 km on 3 litres of petrol. How far can it go on 15 litres (in km)?
30. 30.A car goes 52 km on 4 litres of petrol. How far can it go on 38 litres (in km)?
31. 31.12 painters can paint a school in 4 days. How many days would 3 painters take, working at the same speed?
32. 32.8 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
33. 33.A hostel has enough food for 3 students for 18 days. How many days will the same food last for 18 students?
34. 34.A car goes 120 km on 6 litres of petrol. How far can it go on 25 litres (in km)?
35. 35.A hostel has enough food for 12 students for 4 days. How many days will the same food last for 6 students?
36. 36.A car goes 230 km on 10 litres of petrol. How far can it go on 25 litres (in km)?
37. 37.A car goes 90 km on 10 litres of petrol. How far can it go on 40 litres (in km)?
38. 38.A car goes 171 km on 9 litres of petrol. How far can it go on 13 litres (in km)?
39. 39.If 7 kg of rice costs ₹406, how many kg can you buy for ₹290?
40. 40.If 10 mangoes cost ₹130, how much do 5 mangoes cost (in ₹)?

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