Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 140 · 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 6 kites cost ₹324, how much do 2 kites cost (in ₹)?
2. 2.A hostel has enough food for 6 students for 25 days. How many days will the same food last for 5 students?
3. 3.A car goes 38 km on 2 litres of petrol. How far can it go on 40 litres (in km)?
4. 4.If 9 notebooks cost ₹81, how much do 14 notebooks cost (in ₹)?
5. 5.If 4 kg of rice costs ₹124, how many kg can you buy for ₹248?
6. 6.3 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
7. 7.If 7 kg of rice costs ₹140, how many kg can you buy for ₹40?
8. 8.If 11 bottles of juice cost ₹352, how much do 3 bottles of juice cost (in ₹)?
9. 9.If 4 kites cost ₹164, how much do 5 kites cost (in ₹)?
10. 10.If 6 mangoes cost ₹138, how much do 14 mangoes cost (in ₹)?
11. 11.If 2 erasers cost ₹74, how much do 17 erasers cost (in ₹)?
12. 12.If 7 erasers cost ₹42, how much do 11 erasers cost (in ₹)?
13. 13.If 5 pencil boxes cost ₹65, how much do 3 pencil boxes cost (in ₹)?
14. 14.If 4 mangoes cost ₹84, how much do 12 mangoes cost (in ₹)?
15. 15.A car goes 115 km on 5 litres of petrol. How far can it go on 24 litres (in km)?
16. 16.If 3 kg of rice costs ₹255, how many kg can you buy for ₹1190?
17. 17.A car goes 189 km on 9 litres of petrol. How far can it go on 8 litres (in km)?
18. 18.A hostel has enough food for 6 students for 15 days. How many days will the same food last for 9 students?
19. 19.A hostel has enough food for 9 students for 21 days. How many days will the same food last for 21 students?
20. 20.If 8 kg of rice costs ₹560, how many kg can you buy for ₹980?
21. 21.A car goes 68 km on 4 litres of petrol. How far can it go on 32 litres (in km)?
22. 22.A car goes 81 km on 9 litres of petrol. How far can it go on 10 litres (in km)?
23. 23.A hostel has enough food for 4 students for 14 days. How many days will the same food last for 2 students?
24. 24.A hostel has enough food for 2 students for 14 days. How many days will the same food last for 4 students?
25. 25.If 5 kg of rice costs ₹170, how many kg can you buy for ₹374?
26. 26.A hostel has enough food for 10 students for 4 days. How many days will the same food last for 5 students?
27. 27.A car goes 22 km on 2 litres of petrol. How far can it go on 24 litres (in km)?
28. 28.A hostel has enough food for 8 students for 21 days. How many days will the same food last for 7 students?
29. 29.If 12 bottles of juice cost ₹336, how much do 2 bottles of juice cost (in ₹)?
30. 30.If 3 mangoes cost ₹147, how much do 9 mangoes cost (in ₹)?
31. 31.If 8 kg of rice costs ₹168, how many kg can you buy for ₹294?
32. 32.If 9 notebooks cost ₹468, how much do 3 notebooks cost (in ₹)?
33. 33.If 4 kg of rice costs ₹356, how many kg can you buy for ₹801?
34. 34.A car goes 22 km on 2 litres of petrol. How far can it go on 5 litres (in km)?
35. 35.A hostel has enough food for 5 students for 8 days. How many days will the same food last for 20 students?
36. 36.9 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
37. 37.If 12 kites cost ₹96, how much do 20 kites cost (in ₹)?
38. 38.A car goes 32 km on 2 litres of petrol. How far can it go on 40 litres (in km)?
39. 39.If 11 notebooks cost ₹176, how much do 8 notebooks cost (in ₹)?
40. 40.If 2 erasers cost ₹20, how much do 20 erasers cost (in ₹)?

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