Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 421 · 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. 1.10 painters can paint a school in 29 days. How many days would 5 painters take, working at the same speed?
2. 2.If 5 erasers cost ₹70, how much do 15 erasers cost (in ₹)?
3. 3.If 12 pencil boxes cost ₹132, how much do 10 pencil boxes cost (in ₹)?
4. 4.5 painters can paint a school in 15 days. How many days would 3 painters take, working at the same speed?
5. 5.If 4 mangoes cost ₹132, how much do 20 mangoes cost (in ₹)?
6. 6.If 7 pencil boxes cost ₹119, how much do 5 pencil boxes cost (in ₹)?
7. 7.A hostel has enough food for 7 students for 16 days. How many days will the same food last for 2 students?
8. 8.If 9 kg of rice costs ₹180, how many kg can you buy for ₹280?
9. 9.If 11 cricket balls cost ₹176, how much do 2 cricket balls cost (in ₹)?
10. 10.A car goes 161 km on 7 litres of petrol. How far can it go on 13 litres (in km)?
11. 11.9 painters can paint a school in 24 days. How many days would 4 painters take, working at the same speed?
12. 12.If 9 kg of rice costs ₹342, how many kg can you buy for ₹228?
13. 13.A car goes 168 km on 8 litres of petrol. How far can it go on 18 litres (in km)?
14. 14.A car goes 40 km on 5 litres of petrol. How far can it go on 15 litres (in km)?
15. 15.If 8 kg of rice costs ₹216, how many kg can you buy for ₹81?
16. 16.If 10 notebooks cost ₹510, how much do 14 notebooks cost (in ₹)?
17. 17.A hostel has enough food for 8 students for 5 days. How many days will the same food last for 20 students?
18. 18.If 12 pens cost ₹636, how much do 17 pens cost (in ₹)?
19. 19.6 painters can paint a school in 24 days. How many days would 18 painters take, working at the same speed?
20. 20.A car goes 76 km on 4 litres of petrol. How far can it go on 40 litres (in km)?
21. 21.A car goes 150 km on 10 litres of petrol. How far can it go on 24 litres (in km)?
22. 22.12 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
23. 23.If 6 kg of rice costs ₹336, how many kg can you buy for ₹504?
24. 24.If 7 pens cost ₹259, how much do 13 pens cost (in ₹)?
25. 25.If 12 kites cost ₹192, how much do 14 kites cost (in ₹)?
26. 26.If 3 pencil boxes cost ₹60, how much do 7 pencil boxes cost (in ₹)?
27. 27.If 6 kg of rice costs ₹402, how many kg can you buy for ₹603?
28. 28.If 5 kg of rice costs ₹160, how many kg can you buy for ₹192?
29. 29.A car goes 120 km on 8 litres of petrol. How far can it go on 14 litres (in km)?
30. 30.If 5 bottles of juice cost ₹290, how much do 9 bottles of juice cost (in ₹)?
31. 31.A car goes 96 km on 6 litres of petrol. How far can it go on 20 litres (in km)?
32. 32.A car goes 209 km on 11 litres of petrol. How far can it go on 8 litres (in km)?
33. 33.4 painters can paint a school in 15 days. How many days would 2 painters take, working at the same speed?
34. 34.If 8 kg of rice costs ₹312, how many kg can you buy for ₹234?
35. 35.A car goes 220 km on 10 litres of petrol. How far can it go on 6 litres (in km)?
36. 36.If 7 kg of rice costs ₹364, how many kg can you buy for ₹208?
37. 37.6 painters can paint a school in 7 days. How many days would 14 painters take, working at the same speed?
38. 38.If 5 notebooks cost ₹225, how much do 2 notebooks cost (in ₹)?
39. 39.If 10 pens cost ₹230, how much do 2 pens cost (in ₹)?
40. 40.3 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?

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