Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 242 · 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 108 km on 12 litres of petrol. How far can it go on 38 litres (in km)?
2. 2.A car goes 72 km on 9 litres of petrol. How far can it go on 23 litres (in km)?
3. 3.If 7 pens cost ₹21, how much do 3 pens cost (in ₹)?
4. 4.A car goes 34 km on 2 litres of petrol. How far can it go on 25 litres (in km)?
5. 5.2 painters can paint a school in 26 days. How many days would 4 painters take, working at the same speed?
6. 6.If 7 kg of rice costs ₹441, how many kg can you buy for ₹882?
7. 7.A car goes 105 km on 5 litres of petrol. How far can it go on 12 litres (in km)?
8. 8.2 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
9. 9.A car goes 126 km on 6 litres of petrol. How far can it go on 17 litres (in km)?
10. 10.A hostel has enough food for 6 students for 17 days. How many days will the same food last for 3 students?
11. 11.If 9 kg of rice costs ₹351, how many kg can you buy for ₹312?
12. 12.If 4 kg of rice costs ₹196, how many kg can you buy for ₹294?
13. 13.A car goes 33 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
14. 14.If 11 notebooks cost ₹330, how much do 5 notebooks cost (in ₹)?
15. 15.If 9 kg of rice costs ₹306, how many kg can you buy for ₹102?
16. 16.A car goes 99 km on 11 litres of petrol. How far can it go on 17 litres (in km)?
17. 17.If 4 bottles of juice cost ₹120, how much do 11 bottles of juice cost (in ₹)?
18. 18.If 5 pens cost ₹50, how much do 14 pens cost (in ₹)?
19. 19.If 6 mangoes cost ₹66, how much do 8 mangoes cost (in ₹)?
20. 20.If 12 notebooks cost ₹84, how much do 15 notebooks cost (in ₹)?
21. 21.A car goes 92 km on 4 litres of petrol. How far can it go on 37 litres (in km)?
22. 22.A car goes 42 km on 2 litres of petrol. How far can it go on 40 litres (in km)?
23. 23.A car goes 20 km on 2 litres of petrol. How far can it go on 21 litres (in km)?
24. 24.If 4 notebooks cost ₹108, how much do 3 notebooks cost (in ₹)?
25. 25.A car goes 220 km on 10 litres of petrol. How far can it go on 29 litres (in km)?
26. 26.If 7 mangoes cost ₹70, how much do 16 mangoes cost (in ₹)?
27. 27.If 11 pens cost ₹77, how much do 5 pens cost (in ₹)?
28. 28.4 painters can paint a school in 21 days. How many days would 3 painters take, working at the same speed?
29. 29.If 8 erasers cost ₹208, how much do 11 erasers cost (in ₹)?
30. 30.A car goes 162 km on 9 litres of petrol. How far can it go on 31 litres (in km)?
31. 31.A car goes 27 km on 3 litres of petrol. How far can it go on 37 litres (in km)?
32. 32.If 9 kg of rice costs ₹693, how many kg can you buy for ₹924?
33. 33.A hostel has enough food for 4 students for 4 days. How many days will the same food last for 8 students?
34. 34.A car goes 112 km on 8 litres of petrol. How far can it go on 12 litres (in km)?
35. 35.A hostel has enough food for 3 students for 17 days. How many days will the same food last for 17 students?
36. 36.If 12 bottles of juice cost ₹564, how much do 2 bottles of juice cost (in ₹)?
37. 37.If 5 kg of rice costs ₹135, how many kg can you buy for ₹108?
38. 38.A hostel has enough food for 2 students for 19 days. How many days will the same food last for 19 students?
39. 39.If 5 pencil boxes cost ₹190, how much do 8 pencil boxes cost (in ₹)?
40. 40.If 2 kg of rice costs ₹76, how many kg can you buy for ₹494?

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