Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 106 · 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 253 km on 11 litres of petrol. How far can it go on 2 litres (in km)?
2. 2.If 12 pens cost ₹192, how much do 11 pens cost (in ₹)?
3. 3.5 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
4. 4.If 9 pencil boxes cost ₹90, how much do 3 pencil boxes cost (in ₹)?
5. 5.A car goes 276 km on 12 litres of petrol. How far can it go on 16 litres (in km)?
6. 6.A car goes 72 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
7. 7.4 painters can paint a school in 20 days. How many days would 5 painters take, working at the same speed?
8. 8.If 2 pens cost ₹32, how much do 8 pens cost (in ₹)?
9. 9.A car goes 120 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
10. 10.6 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
11. 11.If 4 erasers cost ₹236, how much do 7 erasers cost (in ₹)?
12. 12.If 2 kites cost ₹52, how much do 12 kites cost (in ₹)?
13. 13.A car goes 130 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
14. 14.If 5 kg of rice costs ₹200, how many kg can you buy for ₹280?
15. 15.A hostel has enough food for 12 students for 5 days. How many days will the same food last for 5 students?
16. 16.A hostel has enough food for 9 students for 28 days. How many days will the same food last for 6 students?
17. 17.A car goes 200 km on 10 litres of petrol. How far can it go on 14 litres (in km)?
18. 18.A car goes 110 km on 11 litres of petrol. How far can it go on 13 litres (in km)?
19. 19.A hostel has enough food for 2 students for 18 days. How many days will the same food last for 4 students?
20. 20.If 4 kg of rice costs ₹308, how many kg can you buy for ₹770?
21. 21.A car goes 60 km on 3 litres of petrol. How far can it go on 4 litres (in km)?
22. 22.If 6 pens cost ₹294, how much do 10 pens cost (in ₹)?
23. 23.If 4 pens cost ₹172, how much do 2 pens cost (in ₹)?
24. 24.If 4 notebooks cost ₹116, how much do 5 notebooks cost (in ₹)?
25. 25.If 4 notebooks cost ₹60, how much do 18 notebooks cost (in ₹)?
26. 26.If 11 cricket balls cost ₹561, how much do 8 cricket balls cost (in ₹)?
27. 27.12 painters can paint a school in 5 days. How many days would 2 painters take, working at the same speed?
28. 28.If 2 kg of rice costs ₹168, how many kg can you buy for ₹1260?
29. 29.10 painters can paint a school in 4 days. How many days would 8 painters take, working at the same speed?
30. 30.A car goes 133 km on 7 litres of petrol. How far can it go on 37 litres (in km)?
31. 31.A hostel has enough food for 12 students for 25 days. How many days will the same food last for 10 students?
32. 32.If 7 kg of rice costs ₹259, how many kg can you buy for ₹296?
33. 33.A car goes 120 km on 10 litres of petrol. How far can it go on 2 litres (in km)?
34. 34.If 3 kg of rice costs ₹138, how many kg can you buy for ₹230?
35. 35.A hostel has enough food for 4 students for 28 days. How many days will the same food last for 7 students?
36. 36.A car goes 64 km on 8 litres of petrol. How far can it go on 12 litres (in km)?
37. 37.If 2 mangoes cost ₹48, how much do 14 mangoes cost (in ₹)?
38. 38.If 4 pens cost ₹144, how much do 10 pens cost (in ₹)?
39. 39.If 3 notebooks cost ₹75, how much do 11 notebooks cost (in ₹)?
40. 40.If 5 kg of rice costs ₹190, how many kg can you buy for ₹76?

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