Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 348 · 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 8 students for 17 days. How many days will the same food last for 4 students?
2. 2.A hostel has enough food for 12 students for 18 days. How many days will the same food last for 4 students?
3. 3.A hostel has enough food for 5 students for 14 days. How many days will the same food last for 7 students?
4. 4.If 11 pens cost ₹286, how much do 4 pens cost (in ₹)?
5. 5.If 4 kites cost ₹44, how much do 5 kites cost (in ₹)?
6. 6.A car goes 168 km on 8 litres of petrol. How far can it go on 34 litres (in km)?
7. 7.If 8 kg of rice costs ₹368, how many kg can you buy for ₹276?
8. 8.If 7 kg of rice costs ₹238, how many kg can you buy for ₹408?
9. 9.If 6 bottles of juice cost ₹168, how much do 20 bottles of juice cost (in ₹)?
10. 10.If 11 erasers cost ₹209, how much do 19 erasers cost (in ₹)?
11. 11.A car goes 96 km on 6 litres of petrol. How far can it go on 2 litres (in km)?
12. 12.9 painters can paint a school in 4 days. How many days would 12 painters take, working at the same speed?
13. 13.If 7 pens cost ₹63, how much do 14 pens cost (in ₹)?
14. 14.8 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
15. 15.A hostel has enough food for 10 students for 13 days. How many days will the same food last for 5 students?
16. 16.If 12 pencil boxes cost ₹240, how much do 5 pencil boxes cost (in ₹)?
17. 17.If 6 notebooks cost ₹246, how much do 10 notebooks cost (in ₹)?
18. 18.If 6 kg of rice costs ₹216, how many kg can you buy for ₹432?
19. 19.If 7 kg of rice costs ₹546, how many kg can you buy for ₹234?
20. 20.If 7 kg of rice costs ₹532, how many kg can you buy for ₹380?
21. 21.A car goes 33 km on 3 litres of petrol. How far can it go on 17 litres (in km)?
22. 22.If 9 erasers cost ₹36, how much do 10 erasers cost (in ₹)?
23. 23.If 3 kg of rice costs ₹114, how many kg can you buy for ₹342?
24. 24.A car goes 57 km on 3 litres of petrol. How far can it go on 18 litres (in km)?
25. 25.If 2 kg of rice costs ₹46, how many kg can you buy for ₹161?
26. 26.If 6 bottles of juice cost ₹312, how much do 16 bottles of juice cost (in ₹)?
27. 27.8 painters can paint a school in 30 days. How many days would 24 painters take, working at the same speed?
28. 28.If 9 bottles of juice cost ₹243, how much do 12 bottles of juice cost (in ₹)?
29. 29.If 9 cricket balls cost ₹225, how much do 3 cricket balls cost (in ₹)?
30. 30.If 2 kg of rice costs ₹72, how many kg can you buy for ₹216?
31. 31.If 6 kg of rice costs ₹366, how many kg can you buy for ₹244?
32. 32.If 2 mangoes cost ₹78, how much do 11 mangoes cost (in ₹)?
33. 33.A car goes 22 km on 2 litres of petrol. How far can it go on 32 litres (in km)?
34. 34.12 painters can paint a school in 22 days. How many days would 11 painters take, working at the same speed?
35. 35.If 9 pencil boxes cost ₹405, how much do 6 pencil boxes cost (in ₹)?
36. 36.9 painters can paint a school in 28 days. How many days would 21 painters take, working at the same speed?
37. 37.A car goes 54 km on 3 litres of petrol. How far can it go on 11 litres (in km)?
38. 38.11 painters can paint a school in 6 days. How many days would 22 painters take, working at the same speed?
39. 39.If 3 kg of rice costs ₹258, how many kg can you buy for ₹688?
40. 40.If 7 kg of rice costs ₹532, how many kg can you buy for ₹912?

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