Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 465 · 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. 1.7 painters can paint a school in 14 days. How many days would 14 painters take, working at the same speed?
2. 2.A car goes 153 km on 9 litres of petrol. How far can it go on 20 litres (in km)?
3. 3.A car goes 39 km on 3 litres of petrol. How far can it go on 26 litres (in km)?
4. 4.If 2 pens cost ₹54, how much do 12 pens cost (in ₹)?
5. 5.A car goes 126 km on 7 litres of petrol. How far can it go on 8 litres (in km)?
6. 6.A car goes 54 km on 3 litres of petrol. How far can it go on 22 litres (in km)?
7. 7.If 4 kg of rice costs ₹184, how many kg can you buy for ₹322?
8. 8.A hostel has enough food for 2 students for 23 days. How many days will the same food last for 23 students?
9. 9.2 painters can paint a school in 28 days. How many days would 4 painters take, working at the same speed?
10. 10.If 9 kg of rice costs ₹486, how many kg can you buy for ₹378?
11. 11.A hostel has enough food for 3 students for 20 days. How many days will the same food last for 12 students?
12. 12.A car goes 154 km on 11 litres of petrol. How far can it go on 39 litres (in km)?
13. 13.If 5 kg of rice costs ₹265, how many kg can you buy for ₹583?
14. 14.A hostel has enough food for 7 students for 25 days. How many days will the same food last for 5 students?
15. 15.A car goes 138 km on 6 litres of petrol. How far can it go on 7 litres (in km)?
16. 16.If 6 kg of rice costs ₹492, how many kg can you buy for ₹984?
17. 17.12 painters can paint a school in 16 days. How many days would 6 painters take, working at the same speed?
18. 18.If 3 pens cost ₹102, how much do 20 pens cost (in ₹)?
19. 19.If 11 notebooks cost ₹506, how much do 15 notebooks cost (in ₹)?
20. 20.A car goes 104 km on 8 litres of petrol. How far can it go on 40 litres (in km)?
21. 21.If 4 kg of rice costs ₹204, how many kg can you buy for ₹357?
22. 22.If 5 mangoes cost ₹60, how much do 12 mangoes cost (in ₹)?
23. 23.A car goes 150 km on 10 litres of petrol. How far can it go on 5 litres (in km)?
24. 24.If 2 kg of rice costs ₹42, how many kg can you buy for ₹105?
25. 25.11 painters can paint a school in 30 days. How many days would 22 painters take, working at the same speed?
26. 26.If 3 kg of rice costs ₹72, how many kg can you buy for ₹120?
27. 27.If 2 kg of rice costs ₹172, how many kg can you buy for ₹516?
28. 28.A hostel has enough food for 9 students for 6 days. How many days will the same food last for 2 students?
29. 29.4 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
30. 30.If 6 erasers cost ₹330, how much do 4 erasers cost (in ₹)?
31. 31.If 12 bottles of juice cost ₹624, how much do 5 bottles of juice cost (in ₹)?
32. 32.7 painters can paint a school in 26 days. How many days would 14 painters take, working at the same speed?
33. 33.If 8 kg of rice costs ₹648, how many kg can you buy for ₹567?
34. 34.If 5 kg of rice costs ₹380, how many kg can you buy for ₹912?
35. 35.A car goes 112 km on 7 litres of petrol. How far can it go on 17 litres (in km)?
36. 36.A car goes 22 km on 2 litres of petrol. How far can it go on 22 litres (in km)?
37. 37.If 6 kg of rice costs ₹480, how many kg can you buy for ₹320?
38. 38.A car goes 252 km on 12 litres of petrol. How far can it go on 27 litres (in km)?
39. 39.A car goes 80 km on 10 litres of petrol. How far can it go on 4 litres (in km)?
40. 40.A hostel has enough food for 10 students for 8 days. How many days will the same food last for 2 students?

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