Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 407 · 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 7 students for 22 days. How many days will the same food last for 22 students?
2. 2.If 3 cricket balls cost ₹87, how much do 2 cricket balls cost (in ₹)?
3. 3.A car goes 250 km on 10 litres of petrol. How far can it go on 26 litres (in km)?
4. 4.A car goes 130 km on 10 litres of petrol. How far can it go on 2 litres (in km)?
5. 5.A car goes 57 km on 3 litres of petrol. How far can it go on 38 litres (in km)?
6. 6.8 painters can paint a school in 27 days. How many days would 24 painters take, working at the same speed?
7. 7.If 8 mangoes cost ₹176, how much do 2 mangoes cost (in ₹)?
8. 8.12 painters can paint a school in 22 days. How many days would 11 painters take, working at the same speed?
9. 9.If 4 kg of rice costs ₹168, how many kg can you buy for ₹504?
10. 10.If 6 kg of rice costs ₹504, how many kg can you buy for ₹924?
11. 11.If 9 kg of rice costs ₹486, how many kg can you buy for ₹756?
12. 12.If 5 notebooks cost ₹95, how much do 8 notebooks cost (in ₹)?
13. 13.A car goes 144 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
14. 14.A car goes 120 km on 12 litres of petrol. How far can it go on 35 litres (in km)?
15. 15.A car goes 300 km on 12 litres of petrol. How far can it go on 19 litres (in km)?
16. 16.A car goes 48 km on 3 litres of petrol. How far can it go on 4 litres (in km)?
17. 17.If 3 kg of rice costs ₹171, how many kg can you buy for ₹855?
18. 18.A car goes 125 km on 5 litres of petrol. How far can it go on 29 litres (in km)?
19. 19.A car goes 99 km on 9 litres of petrol. How far can it go on 2 litres (in km)?
20. 20.A car goes 168 km on 12 litres of petrol. How far can it go on 38 litres (in km)?
21. 21.If 4 mangoes cost ₹172, how much do 18 mangoes cost (in ₹)?
22. 22.10 painters can paint a school in 8 days. How many days would 4 painters take, working at the same speed?
23. 23.8 painters can paint a school in 22 days. How many days would 22 painters take, working at the same speed?
24. 24.7 painters can paint a school in 19 days. How many days would 19 painters take, working at the same speed?
25. 25.If 9 erasers cost ₹207, how much do 18 erasers cost (in ₹)?
26. 26.3 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
27. 27.5 painters can paint a school in 24 days. How many days would 6 painters take, working at the same speed?
28. 28.If 5 pens cost ₹125, how much do 8 pens cost (in ₹)?
29. 29.A car goes 228 km on 12 litres of petrol. How far can it go on 33 litres (in km)?
30. 30.2 painters can paint a school in 21 days. How many days would 7 painters take, working at the same speed?
31. 31.If 9 erasers cost ₹72, how much do 14 erasers cost (in ₹)?
32. 32.If 7 kites cost ₹259, how much do 19 kites cost (in ₹)?
33. 33.If 2 erasers cost ₹94, how much do 18 erasers cost (in ₹)?
34. 34.If 8 kg of rice costs ₹296, how many kg can you buy for ₹148?
35. 35.If 2 bottles of juice cost ₹10, how much do 16 bottles of juice cost (in ₹)?
36. 36.If 4 pens cost ₹200, how much do 14 pens cost (in ₹)?
37. 37.A car goes 288 km on 12 litres of petrol. How far can it go on 4 litres (in km)?
38. 38.If 7 pencil boxes cost ₹35, how much do 8 pencil boxes cost (in ₹)?
39. 39.A car goes 140 km on 10 litres of petrol. How far can it go on 12 litres (in km)?
40. 40.8 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?

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