Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 97 · 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 64 km on 8 litres of petrol. How far can it go on 9 litres (in km)?
2. 2.10 painters can paint a school in 30 days. How many days would 6 painters take, working at the same speed?
3. 3.If 12 bottles of juice cost ₹576, how much do 20 bottles of juice cost (in ₹)?
4. 4.If 3 kg of rice costs ₹60, how many kg can you buy for ₹120?
5. 5.If 10 notebooks cost ₹400, how much do 2 notebooks cost (in ₹)?
6. 6.8 painters can paint a school in 22 days. How many days would 16 painters take, working at the same speed?
7. 7.If 6 mangoes cost ₹186, how much do 3 mangoes cost (in ₹)?
8. 8.If 4 erasers cost ₹132, how much do 19 erasers cost (in ₹)?
9. 9.If 5 kg of rice costs ₹445, how many kg can you buy for ₹1157?
10. 10.If 4 kites cost ₹188, how much do 14 kites cost (in ₹)?
11. 11.A car goes 108 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
12. 12.If 4 notebooks cost ₹28, how much do 16 notebooks cost (in ₹)?
13. 13.If 2 mangoes cost ₹92, how much do 3 mangoes cost (in ₹)?
14. 14.If 3 kg of rice costs ₹240, how many kg can you buy for ₹640?
15. 15.If 11 erasers cost ₹275, how much do 18 erasers cost (in ₹)?
16. 16.2 painters can paint a school in 15 days. How many days would 5 painters take, working at the same speed?
17. 17.A hostel has enough food for 6 students for 9 days. How many days will the same food last for 2 students?
18. 18.A car goes 144 km on 8 litres of petrol. How far can it go on 16 litres (in km)?
19. 19.A car goes 276 km on 12 litres of petrol. How far can it go on 27 litres (in km)?
20. 20.A car goes 108 km on 12 litres of petrol. How far can it go on 19 litres (in km)?
21. 21.If 9 kg of rice costs ₹648, how many kg can you buy for ₹504?
22. 22.A car goes 72 km on 3 litres of petrol. How far can it go on 36 litres (in km)?
23. 23.If 7 kg of rice costs ₹322, how many kg can you buy for ₹184?
24. 24.A car goes 144 km on 8 litres of petrol. How far can it go on 23 litres (in km)?
25. 25.A car goes 138 km on 6 litres of petrol. How far can it go on 16 litres (in km)?
26. 26.If 5 kg of rice costs ₹380, how many kg can you buy for ₹912?
27. 27.A car goes 80 km on 8 litres of petrol. How far can it go on 37 litres (in km)?
28. 28.A hostel has enough food for 11 students for 6 days. How many days will the same food last for 2 students?
29. 29.If 6 kg of rice costs ₹144, how many kg can you buy for ₹72?
30. 30.A hostel has enough food for 9 students for 12 days. How many days will the same food last for 12 students?
31. 31.If 7 kg of rice costs ₹630, how many kg can you buy for ₹1350?
32. 32.If 5 pens cost ₹295, how much do 19 pens cost (in ₹)?
33. 33.A car goes 200 km on 10 litres of petrol. How far can it go on 20 litres (in km)?
34. 34.11 painters can paint a school in 10 days. How many days would 10 painters take, working at the same speed?
35. 35.If 9 notebooks cost ₹504, how much do 3 notebooks cost (in ₹)?
36. 36.If 4 kites cost ₹184, how much do 11 kites cost (in ₹)?
37. 37.A car goes 187 km on 11 litres of petrol. How far can it go on 5 litres (in km)?
38. 38.If 3 kg of rice costs ₹99, how many kg can you buy for ₹429?
39. 39.A car goes 72 km on 9 litres of petrol. How far can it go on 25 litres (in km)?
40. 40.8 painters can paint a school in 12 days. How many days would 3 painters take, working at the same speed?

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