Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 545 · 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. 1.4 painters can paint a school in 10 days. How many days would 10 painters take, working at the same speed?
2. 2.A hostel has enough food for 11 students for 10 days. How many days will the same food last for 5 students?
3. 3.If 10 bottles of juice cost ₹110, how much do 2 bottles of juice cost (in ₹)?
4. 4.A car goes 80 km on 8 litres of petrol. How far can it go on 29 litres (in km)?
5. 5.If 5 kg of rice costs ₹440, how many kg can you buy for ₹1056?
6. 6.If 7 kg of rice costs ₹574, how many kg can you buy for ₹1066?
7. 7.A car goes 60 km on 3 litres of petrol. How far can it go on 21 litres (in km)?
8. 8.4 painters can paint a school in 26 days. How many days would 8 painters take, working at the same speed?
9. 9.If 6 kg of rice costs ₹264, how many kg can you buy for ₹616?
10. 10.If 9 pens cost ₹423, how much do 18 pens cost (in ₹)?
11. 11.If 3 kg of rice costs ₹126, how many kg can you buy for ₹420?
12. 12.If 9 kg of rice costs ₹603, how many kg can you buy for ₹871?
13. 13.11 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
14. 14.If 7 kites cost ₹294, how much do 6 kites cost (in ₹)?
15. 15.A car goes 120 km on 10 litres of petrol. How far can it go on 17 litres (in km)?
16. 16.A car goes 136 km on 8 litres of petrol. How far can it go on 33 litres (in km)?
17. 17.If 3 kg of rice costs ₹93, how many kg can you buy for ₹124?
18. 18.8 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
19. 19.If 9 mangoes cost ₹45, how much do 8 mangoes cost (in ₹)?
20. 20.A car goes 48 km on 3 litres of petrol. How far can it go on 19 litres (in km)?
21. 21.If 6 kg of rice costs ₹234, how many kg can you buy for ₹312?
22. 22.A car goes 250 km on 10 litres of petrol. How far can it go on 22 litres (in km)?
23. 23.If 5 pens cost ₹165, how much do 18 pens cost (in ₹)?
24. 24.A car goes 60 km on 6 litres of petrol. How far can it go on 11 litres (in km)?
25. 25.If 10 pencil boxes cost ₹30, how much do 9 pencil boxes cost (in ₹)?
26. 26.If 12 pens cost ₹696, how much do 5 pens cost (in ₹)?
27. 27.A car goes 220 km on 11 litres of petrol. How far can it go on 34 litres (in km)?
28. 28.A car goes 72 km on 6 litres of petrol. How far can it go on 4 litres (in km)?
29. 29.If 3 erasers cost ₹147, how much do 10 erasers cost (in ₹)?
30. 30.If 9 kg of rice costs ₹279, how many kg can you buy for ₹310?
31. 31.If 7 kg of rice costs ₹448, how many kg can you buy for ₹128?
32. 32.If 8 kg of rice costs ₹592, how many kg can you buy for ₹1036?
33. 33.A car goes 108 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
34. 34.A car goes 160 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
35. 35.A car goes 150 km on 10 litres of petrol. How far can it go on 14 litres (in km)?
36. 36.If 5 pens cost ₹110, how much do 16 pens cost (in ₹)?
37. 37.If 12 bottles of juice cost ₹84, how much do 11 bottles of juice cost (in ₹)?
38. 38.If 7 kg of rice costs ₹252, how many kg can you buy for ₹540?
39. 39.If 6 kg of rice costs ₹504, how many kg can you buy for ₹840?
40. 40.If 5 erasers cost ₹265, how much do 8 erasers cost (in ₹)?

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