Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 154 · 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.If 12 kites cost ₹720, how much do 15 kites cost (in ₹)?
2. 2.If 7 pencil boxes cost ₹413, how much do 13 pencil boxes cost (in ₹)?
3. 3.7 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
4. 4.A car goes 156 km on 12 litres of petrol. How far can it go on 38 litres (in km)?
5. 5.If 4 pencil boxes cost ₹28, how much do 3 pencil boxes cost (in ₹)?
6. 6.12 painters can paint a school in 11 days. How many days would 3 painters take, working at the same speed?
7. 7.If 10 bottles of juice cost ₹260, how much do 19 bottles of juice cost (in ₹)?
8. 8.A car goes 38 km on 2 litres of petrol. How far can it go on 5 litres (in km)?
9. 9.A car goes 190 km on 10 litres of petrol. How far can it go on 39 litres (in km)?
10. 10.If 2 kg of rice costs ₹138, how many kg can you buy for ₹759?
11. 11.If 3 kg of rice costs ₹234, how many kg can you buy for ₹936?
12. 12.If 3 kg of rice costs ₹129, how many kg can you buy for ₹387?
13. 13.If 4 notebooks cost ₹128, how much do 3 notebooks cost (in ₹)?
14. 14.A car goes 30 km on 2 litres of petrol. How far can it go on 29 litres (in km)?
15. 15.5 painters can paint a school in 8 days. How many days would 4 painters take, working at the same speed?
16. 16.A car goes 115 km on 5 litres of petrol. How far can it go on 21 litres (in km)?
17. 17.A hostel has enough food for 5 students for 12 days. How many days will the same food last for 12 students?
18. 18.A car goes 52 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
19. 19.If 3 kg of rice costs ₹162, how many kg can you buy for ₹756?
20. 20.A car goes 108 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
21. 21.A hostel has enough food for 7 students for 24 days. How many days will the same food last for 21 students?
22. 22.If 5 kg of rice costs ₹160, how many kg can you buy for ₹224?
23. 23.If 2 kg of rice costs ₹68, how many kg can you buy for ₹238?
24. 24.A hostel has enough food for 9 students for 23 days. How many days will the same food last for 23 students?
25. 25.If 4 kg of rice costs ₹84, how many kg can you buy for ₹168?
26. 26.If 3 erasers cost ₹42, how much do 7 erasers cost (in ₹)?
27. 27.4 painters can paint a school in 24 days. How many days would 3 painters take, working at the same speed?
28. 28.If 12 notebooks cost ₹456, how much do 20 notebooks cost (in ₹)?
29. 29.A car goes 91 km on 7 litres of petrol. How far can it go on 8 litres (in km)?
30. 30.A hostel has enough food for 3 students for 19 days. How many days will the same food last for 19 students?
31. 31.A hostel has enough food for 4 students for 12 days. How many days will the same food last for 3 students?
32. 32.7 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
33. 33.If 8 notebooks cost ₹120, how much do 7 notebooks cost (in ₹)?
34. 34.If 8 cricket balls cost ₹304, how much do 6 cricket balls cost (in ₹)?
35. 35.If 7 notebooks cost ₹182, how much do 11 notebooks cost (in ₹)?
36. 36.2 painters can paint a school in 7 days. How many days would 7 painters take, working at the same speed?
37. 37.A hostel has enough food for 4 students for 17 days. How many days will the same food last for 2 students?
38. 38.A car goes 80 km on 10 litres of petrol. How far can it go on 6 litres (in km)?
39. 39.A hostel has enough food for 11 students for 17 days. How many days will the same food last for 17 students?
40. 40.5 painters can paint a school in 28 days. How many days would 7 painters take, working at the same speed?

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