Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 102 · 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 hostel has enough food for 3 students for 25 days. How many days will the same food last for 15 students?
2. 2.7 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
3. 3.A car goes 110 km on 11 litres of petrol. How far can it go on 31 litres (in km)?
4. 4.A car goes 170 km on 10 litres of petrol. How far can it go on 32 litres (in km)?
5. 5.If 6 kg of rice costs ₹204, how many kg can you buy for ₹476?
6. 6.A car goes 133 km on 7 litres of petrol. How far can it go on 2 litres (in km)?
7. 7.If 6 kg of rice costs ₹210, how many kg can you buy for ₹140?
8. 8.A car goes 48 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
9. 9.A car goes 300 km on 12 litres of petrol. How far can it go on 2 litres (in km)?
10. 10.If 7 kg of rice costs ₹273, how many kg can you buy for ₹546?
11. 11.A car goes 84 km on 7 litres of petrol. How far can it go on 28 litres (in km)?
12. 12.If 10 erasers cost ₹180, how much do 18 erasers cost (in ₹)?
13. 13.If 3 erasers cost ₹93, how much do 7 erasers cost (in ₹)?
14. 14.A hostel has enough food for 2 students for 16 days. How many days will the same food last for 16 students?
15. 15.If 4 notebooks cost ₹148, how much do 5 notebooks cost (in ₹)?
16. 16.If 10 notebooks cost ₹600, how much do 16 notebooks cost (in ₹)?
17. 17.A car goes 56 km on 7 litres of petrol. How far can it go on 15 litres (in km)?
18. 18.2 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
19. 19.A car goes 85 km on 5 litres of petrol. How far can it go on 33 litres (in km)?
20. 20.A hostel has enough food for 7 students for 9 days. How many days will the same food last for 3 students?
21. 21.A hostel has enough food for 3 students for 21 days. How many days will the same food last for 21 students?
22. 22.If 6 kg of rice costs ₹384, how many kg can you buy for ₹128?
23. 23.If 11 bottles of juice cost ₹55, how much do 6 bottles of juice cost (in ₹)?
24. 24.If 5 pencil boxes cost ₹135, how much do 10 pencil boxes cost (in ₹)?
25. 25.If 9 kg of rice costs ₹630, how many kg can you buy for ₹700?
26. 26.If 5 kg of rice costs ₹200, how many kg can you buy for ₹160?
27. 27.4 painters can paint a school in 24 days. How many days would 16 painters take, working at the same speed?
28. 28.If 7 notebooks cost ₹406, how much do 20 notebooks cost (in ₹)?
29. 29.If 3 mangoes cost ₹12, how much do 11 mangoes cost (in ₹)?
30. 30.If 4 kg of rice costs ₹168, how many kg can you buy for ₹126?
31. 31.A car goes 230 km on 10 litres of petrol. How far can it go on 8 litres (in km)?
32. 32.A hostel has enough food for 2 students for 6 days. How many days will the same food last for 3 students?
33. 33.A car goes 51 km on 3 litres of petrol. How far can it go on 18 litres (in km)?
34. 34.If 4 kg of rice costs ₹264, how many kg can you buy for ₹594?
35. 35.A hostel has enough food for 4 students for 20 days. How many days will the same food last for 2 students?
36. 36.5 painters can paint a school in 12 days. How many days would 10 painters take, working at the same speed?
37. 37.If 3 kg of rice costs ₹117, how many kg can you buy for ₹195?
38. 38.A car goes 72 km on 4 litres of petrol. How far can it go on 11 litres (in km)?
39. 39.11 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
40. 40.A hostel has enough food for 3 students for 11 days. How many days will the same food last for 11 students?

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude