Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 277 · 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. 1.2 painters can paint a school in 10 days. How many days would 5 painters take, working at the same speed?
2. 2.A car goes 63 km on 7 litres of petrol. How far can it go on 40 litres (in km)?
3. 3.A hostel has enough food for 3 students for 9 days. How many days will the same food last for 9 students?
4. 4.4 painters can paint a school in 21 days. How many days would 3 painters take, working at the same speed?
5. 5.If 8 kg of rice costs ₹280, how many kg can you buy for ₹140?
6. 6.A hostel has enough food for 10 students for 11 days. How many days will the same food last for 11 students?
7. 7.If 4 kg of rice costs ₹224, how many kg can you buy for ₹840?
8. 8.If 4 kg of rice costs ₹156, how many kg can you buy for ₹390?
9. 9.If 5 kg of rice costs ₹290, how many kg can you buy for ₹116?
10. 10.A car goes 50 km on 2 litres of petrol. How far can it go on 6 litres (in km)?
11. 11.8 painters can paint a school in 13 days. How many days would 2 painters take, working at the same speed?
12. 12.If 2 erasers cost ₹26, how much do 18 erasers cost (in ₹)?
13. 13.If 9 kg of rice costs ₹765, how many kg can you buy for ₹170?
14. 14.A car goes 80 km on 10 litres of petrol. How far can it go on 22 litres (in km)?
15. 15.A car goes 190 km on 10 litres of petrol. How far can it go on 20 litres (in km)?
16. 16.If 8 pens cost ₹288, how much do 19 pens cost (in ₹)?
17. 17.If 3 kg of rice costs ₹204, how many kg can you buy for ₹408?
18. 18.If 3 notebooks cost ₹60, how much do 2 notebooks cost (in ₹)?
19. 19.A car goes 80 km on 4 litres of petrol. How far can it go on 24 litres (in km)?
20. 20.5 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
21. 21.If 2 bottles of juice cost ₹20, how much do 9 bottles of juice cost (in ₹)?
22. 22.If 12 pencil boxes cost ₹252, how much do 20 pencil boxes cost (in ₹)?
23. 23.If 2 mangoes cost ₹26, how much do 16 mangoes cost (in ₹)?
24. 24.If 6 kg of rice costs ₹318, how many kg can you buy for ₹212?
25. 25.A car goes 22 km on 2 litres of petrol. How far can it go on 12 litres (in km)?
26. 26.If 3 bottles of juice cost ₹96, how much do 6 bottles of juice cost (in ₹)?
27. 27.A car goes 264 km on 12 litres of petrol. How far can it go on 17 litres (in km)?
28. 28.A hostel has enough food for 7 students for 18 days. How many days will the same food last for 3 students?
29. 29.A car goes 72 km on 9 litres of petrol. How far can it go on 23 litres (in km)?
30. 30.A car goes 187 km on 11 litres of petrol. How far can it go on 14 litres (in km)?
31. 31.A hostel has enough food for 12 students for 23 days. How many days will the same food last for 23 students?
32. 32.A car goes 16 km on 2 litres of petrol. How far can it go on 39 litres (in km)?
33. 33.10 painters can paint a school in 10 days. How many days would 4 painters take, working at the same speed?
34. 34.A car goes 225 km on 9 litres of petrol. How far can it go on 18 litres (in km)?
35. 35.A hostel has enough food for 6 students for 13 days. How many days will the same food last for 13 students?
36. 36.If 12 notebooks cost ₹612, how much do 20 notebooks cost (in ₹)?
37. 37.If 8 kg of rice costs ₹312, how many kg can you buy for ₹156?
38. 38.If 2 bottles of juice cost ₹26, how much do 7 bottles of juice cost (in ₹)?
39. 39.If 4 kg of rice costs ₹204, how many kg can you buy for ₹306?
40. 40.If 10 mangoes cost ₹440, how much do 17 mangoes cost (in ₹)?

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