Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 290 · 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 car goes 64 km on 8 litres of petrol. How far can it go on 23 litres (in km)?
2. 2.If 10 bottles of juice cost ₹420, how much do 3 bottles of juice cost (in ₹)?
3. 3.If 2 cricket balls cost ₹8, how much do 8 cricket balls cost (in ₹)?
4. 4.If 9 kg of rice costs ₹216, how many kg can you buy for ₹288?
5. 5.A hostel has enough food for 8 students for 16 days. How many days will the same food last for 4 students?
6. 6.A hostel has enough food for 4 students for 11 days. How many days will the same food last for 2 students?
7. 7.A car goes 48 km on 4 litres of petrol. How far can it go on 26 litres (in km)?
8. 8.A car goes 198 km on 11 litres of petrol. How far can it go on 4 litres (in km)?
9. 9.A hostel has enough food for 5 students for 11 days. How many days will the same food last for 11 students?
10. 10.If 7 bottles of juice cost ₹294, how much do 5 bottles of juice cost (in ₹)?
11. 11.If 6 kg of rice costs ₹198, how many kg can you buy for ₹429?
12. 12.If 12 pencil boxes cost ₹36, how much do 8 pencil boxes cost (in ₹)?
13. 13.If 2 kg of rice costs ₹74, how many kg can you buy for ₹148?
14. 14.If 11 pens cost ₹33, how much do 6 pens cost (in ₹)?
15. 15.If 9 mangoes cost ₹279, how much do 6 mangoes cost (in ₹)?
16. 16.7 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
17. 17.If 7 bottles of juice cost ₹77, how much do 12 bottles of juice cost (in ₹)?
18. 18.If 3 kites cost ₹21, how much do 10 kites cost (in ₹)?
19. 19.A car goes 56 km on 7 litres of petrol. How far can it go on 21 litres (in km)?
20. 20.If 3 kg of rice costs ₹192, how many kg can you buy for ₹256?
21. 21.If 2 kg of rice costs ₹94, how many kg can you buy for ₹141?
22. 22.If 4 kg of rice costs ₹168, how many kg can you buy for ₹210?
23. 23.A hostel has enough food for 12 students for 26 days. How many days will the same food last for 6 students?
24. 24.A hostel has enough food for 5 students for 21 days. How many days will the same food last for 7 students?
25. 25.10 painters can paint a school in 7 days. How many days would 2 painters take, working at the same speed?
26. 26.If 6 pens cost ₹336, how much do 9 pens cost (in ₹)?
27. 27.If 8 mangoes cost ₹424, how much do 16 mangoes cost (in ₹)?
28. 28.If 8 kg of rice costs ₹336, how many kg can you buy for ₹294?
29. 29.If 2 kg of rice costs ₹48, how many kg can you buy for ₹192?
30. 30.A hostel has enough food for 5 students for 7 days. How many days will the same food last for 7 students?
31. 31.If 12 pencil boxes cost ₹36, how much do 19 pencil boxes cost (in ₹)?
32. 32.A car goes 112 km on 8 litres of petrol. How far can it go on 26 litres (in km)?
33. 33.If 4 kg of rice costs ₹116, how many kg can you buy for ₹377?
34. 34.12 painters can paint a school in 15 days. How many days would 20 painters take, working at the same speed?
35. 35.If 3 kg of rice costs ₹111, how many kg can you buy for ₹148?
36. 36.7 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
37. 37.If 10 notebooks cost ₹470, how much do 20 notebooks cost (in ₹)?
38. 38.A car goes 36 km on 3 litres of petrol. How far can it go on 35 litres (in km)?
39. 39.If 8 pens cost ₹480, how much do 7 pens cost (in ₹)?
40. 40.If 4 erasers cost ₹40, how much do 2 erasers cost (in ₹)?

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