Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 99 · 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 92 km on 4 litres of petrol. How far can it go on 34 litres (in km)?
2. 2.A hostel has enough food for 7 students for 12 days. How many days will the same food last for 14 students?
3. 3.If 7 kg of rice costs ₹595, how many kg can you buy for ₹425?
4. 4.A car goes 96 km on 4 litres of petrol. How far can it go on 34 litres (in km)?
5. 5.If 4 kg of rice costs ₹240, how many kg can you buy for ₹720?
6. 6.If 10 pens cost ₹200, how much do 3 pens cost (in ₹)?
7. 7.If 2 kg of rice costs ₹80, how many kg can you buy for ₹200?
8. 8.If 3 kg of rice costs ₹210, how many kg can you buy for ₹490?
9. 9.If 4 notebooks cost ₹156, how much do 12 notebooks cost (in ₹)?
10. 10.If 9 kg of rice costs ₹468, how many kg can you buy for ₹312?
11. 11.If 9 notebooks cost ₹99, how much do 5 notebooks cost (in ₹)?
12. 12.If 4 kg of rice costs ₹188, how many kg can you buy for ₹141?
13. 13.If 2 kg of rice costs ₹108, how many kg can you buy for ₹270?
14. 14.A car goes 72 km on 8 litres of petrol. How far can it go on 12 litres (in km)?
15. 15.A car goes 66 km on 6 litres of petrol. How far can it go on 9 litres (in km)?
16. 16.A car goes 66 km on 3 litres of petrol. How far can it go on 36 litres (in km)?
17. 17.A car goes 40 km on 2 litres of petrol. How far can it go on 28 litres (in km)?
18. 18.10 painters can paint a school in 27 days. How many days would 6 painters take, working at the same speed?
19. 19.A hostel has enough food for 3 students for 17 days. How many days will the same food last for 17 students?
20. 20.If 9 kg of rice costs ₹702, how many kg can you buy for ₹1092?
21. 21.If 3 notebooks cost ₹12, how much do 6 notebooks cost (in ₹)?
22. 22.If 5 kg of rice costs ₹305, how many kg can you buy for ₹183?
23. 23.A car goes 75 km on 5 litres of petrol. How far can it go on 13 litres (in km)?
24. 24.If 8 kg of rice costs ₹264, how many kg can you buy for ₹462?
25. 25.A hostel has enough food for 12 students for 29 days. How many days will the same food last for 6 students?
26. 26.A car goes 36 km on 2 litres of petrol. How far can it go on 9 litres (in km)?
27. 27.If 10 bottles of juice cost ₹350, how much do 16 bottles of juice cost (in ₹)?
28. 28.If 6 mangoes cost ₹348, how much do 5 mangoes cost (in ₹)?
29. 29.If 7 pencil boxes cost ₹308, how much do 5 pencil boxes cost (in ₹)?
30. 30.7 painters can paint a school in 8 days. How many days would 2 painters take, working at the same speed?
31. 31.If 4 kites cost ₹12, how much do 8 kites cost (in ₹)?
32. 32.If 8 pencil boxes cost ₹272, how much do 2 pencil boxes cost (in ₹)?
33. 33.A car goes 136 km on 8 litres of petrol. How far can it go on 19 litres (in km)?
34. 34.If 2 erasers cost ₹70, how much do 13 erasers cost (in ₹)?
35. 35.A car goes 168 km on 7 litres of petrol. How far can it go on 27 litres (in km)?
36. 36.If 5 erasers cost ₹260, how much do 15 erasers cost (in ₹)?
37. 37.3 painters can paint a school in 16 days. How many days would 8 painters take, working at the same speed?
38. 38.If 4 erasers cost ₹44, how much do 8 erasers cost (in ₹)?
39. 39.A car goes 133 km on 7 litres of petrol. How far can it go on 10 litres (in km)?
40. 40.A car goes 39 km on 3 litres of petrol. How far can it go on 10 litres (in km)?

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