Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 172 · 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 8 pens cost ₹24, how much do 11 pens cost (in ₹)?
2. 2.If 11 pencil boxes cost ₹363, how much do 7 pencil boxes cost (in ₹)?
3. 3.A car goes 39 km on 3 litres of petrol. How far can it go on 5 litres (in km)?
4. 4.A car goes 96 km on 4 litres of petrol. How far can it go on 31 litres (in km)?
5. 5.A hostel has enough food for 10 students for 8 days. How many days will the same food last for 8 students?
6. 6.A hostel has enough food for 12 students for 5 days. How many days will the same food last for 10 students?
7. 7.If 7 kg of rice costs ₹154, how many kg can you buy for ₹198?
8. 8.8 painters can paint a school in 12 days. How many days would 3 painters take, working at the same speed?
9. 9.A hostel has enough food for 4 students for 5 days. How many days will the same food last for 10 students?
10. 10.If 2 pencil boxes cost ₹50, how much do 14 pencil boxes cost (in ₹)?
11. 11.10 painters can paint a school in 9 days. How many days would 3 painters take, working at the same speed?
12. 12.If 2 erasers cost ₹102, how much do 16 erasers cost (in ₹)?
13. 13.If 9 kg of rice costs ₹603, how many kg can you buy for ₹938?
14. 14.If 2 kg of rice costs ₹122, how many kg can you buy for ₹366?
15. 15.If 3 erasers cost ₹138, how much do 16 erasers cost (in ₹)?
16. 16.A hostel has enough food for 7 students for 25 days. How many days will the same food last for 5 students?
17. 17.If 2 pens cost ₹28, how much do 10 pens cost (in ₹)?
18. 18.A hostel has enough food for 5 students for 8 days. How many days will the same food last for 4 students?
19. 19.If 5 kg of rice costs ₹365, how many kg can you buy for ₹292?
20. 20.If 6 mangoes cost ₹18, how much do 17 mangoes cost (in ₹)?
21. 21.A car goes 90 km on 10 litres of petrol. How far can it go on 29 litres (in km)?
22. 22.A hostel has enough food for 9 students for 12 days. How many days will the same food last for 6 students?
23. 23.7 painters can paint a school in 15 days. How many days would 15 painters take, working at the same speed?
24. 24.A hostel has enough food for 8 students for 5 days. How many days will the same food last for 2 students?
25. 25.If 4 pens cost ₹56, how much do 19 pens cost (in ₹)?
26. 26.If 2 kg of rice costs ₹46, how many kg can you buy for ₹184?
27. 27.A car goes 228 km on 12 litres of petrol. How far can it go on 26 litres (in km)?
28. 28.If 2 erasers cost ₹96, how much do 10 erasers cost (in ₹)?
29. 29.A car goes 24 km on 3 litres of petrol. How far can it go on 13 litres (in km)?
30. 30.If 3 pens cost ₹168, how much do 16 pens cost (in ₹)?
31. 31.If 2 pencil boxes cost ₹94, how much do 6 pencil boxes cost (in ₹)?
32. 32.A car goes 275 km on 11 litres of petrol. How far can it go on 5 litres (in km)?
33. 33.A car goes 48 km on 2 litres of petrol. How far can it go on 18 litres (in km)?
34. 34.A hostel has enough food for 3 students for 25 days. How many days will the same food last for 15 students?
35. 35.A car goes 44 km on 2 litres of petrol. How far can it go on 39 litres (in km)?
36. 36.If 7 erasers cost ₹196, how much do 18 erasers cost (in ₹)?
37. 37.A car goes 228 km on 12 litres of petrol. How far can it go on 4 litres (in km)?
38. 38.A hostel has enough food for 4 students for 9 days. How many days will the same food last for 2 students?
39. 39.5 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
40. 40.4 painters can paint a school in 24 days. How many days would 8 painters take, working at the same speed?

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