Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 326 · 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 7 notebooks cost ₹63, how much do 5 notebooks cost (in ₹)?
2. 2.3 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
3. 3.A car goes 70 km on 7 litres of petrol. How far can it go on 26 litres (in km)?
4. 4.A hostel has enough food for 12 students for 20 days. How many days will the same food last for 10 students?
5. 5.5 painters can paint a school in 20 days. How many days would 20 painters take, working at the same speed?
6. 6.7 painters can paint a school in 4 days. How many days would 2 painters take, working at the same speed?
7. 7.6 painters can paint a school in 24 days. How many days would 8 painters take, working at the same speed?
8. 8.A car goes 50 km on 5 litres of petrol. How far can it go on 32 litres (in km)?
9. 9.3 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
10. 10.A car goes 300 km on 12 litres of petrol. How far can it go on 19 litres (in km)?
11. 11.A car goes 26 km on 2 litres of petrol. How far can it go on 11 litres (in km)?
12. 12.A car goes 187 km on 11 litres of petrol. How far can it go on 16 litres (in km)?
13. 13.If 2 kg of rice costs ₹160, how many kg can you buy for ₹1200?
14. 14.A car goes 91 km on 7 litres of petrol. How far can it go on 6 litres (in km)?
15. 15.If 2 kg of rice costs ₹58, how many kg can you buy for ₹377?
16. 16.If 3 kg of rice costs ₹63, how many kg can you buy for ₹168?
17. 17.7 painters can paint a school in 24 days. How many days would 12 painters take, working at the same speed?
18. 18.If 3 kg of rice costs ₹231, how many kg can you buy for ₹693?
19. 19.If 9 mangoes cost ₹180, how much do 4 mangoes cost (in ₹)?
20. 20.8 painters can paint a school in 6 days. How many days would 3 painters take, working at the same speed?
21. 21.A car goes 65 km on 5 litres of petrol. How far can it go on 22 litres (in km)?
22. 22.If 4 kg of rice costs ₹128, how many kg can you buy for ₹160?
23. 23.2 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
24. 24.A hostel has enough food for 2 students for 23 days. How many days will the same food last for 23 students?
25. 25.If 7 kg of rice costs ₹161, how many kg can you buy for ₹253?
26. 26.A car goes 133 km on 7 litres of petrol. How far can it go on 40 litres (in km)?
27. 27.A car goes 42 km on 3 litres of petrol. How far can it go on 18 litres (in km)?
28. 28.A car goes 88 km on 8 litres of petrol. How far can it go on 12 litres (in km)?
29. 29.A hostel has enough food for 3 students for 23 days. How many days will the same food last for 23 students?
30. 30.If 8 kg of rice costs ₹296, how many kg can you buy for ₹333?
31. 31.If 4 kg of rice costs ₹320, how many kg can you buy for ₹1120?
32. 32.If 10 bottles of juice cost ₹210, how much do 13 bottles of juice cost (in ₹)?
33. 33.If 3 pencil boxes cost ₹177, how much do 5 pencil boxes cost (in ₹)?
34. 34.A car goes 168 km on 7 litres of petrol. How far can it go on 29 litres (in km)?
35. 35.If 2 erasers cost ₹76, how much do 12 erasers cost (in ₹)?
36. 36.If 12 erasers cost ₹168, how much do 5 erasers cost (in ₹)?
37. 37.If 7 kg of rice costs ₹196, how many kg can you buy for ₹84?
38. 38.A car goes 60 km on 4 litres of petrol. How far can it go on 10 litres (in km)?
39. 39.A car goes 210 km on 10 litres of petrol. How far can it go on 3 litres (in km)?
40. 40.A hostel has enough food for 12 students for 24 days. How many days will the same food last for 24 students?

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