Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 239 · 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 130 km on 10 litres of petrol. How far can it go on 33 litres (in km)?
2. 2.3 painters can paint a school in 16 days. How many days would 6 painters take, working at the same speed?
3. 3.2 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
4. 4.A car goes 115 km on 5 litres of petrol. How far can it go on 17 litres (in km)?
5. 5.If 5 kg of rice costs ₹205, how many kg can you buy for ₹328?
6. 6.If 6 kg of rice costs ₹156, how many kg can you buy for ₹338?
7. 7.If 2 mangoes cost ₹118, how much do 17 mangoes cost (in ₹)?
8. 8.6 painters can paint a school in 7 days. How many days would 21 painters take, working at the same speed?
9. 9.8 painters can paint a school in 16 days. How many days would 16 painters take, working at the same speed?
10. 10.7 painters can paint a school in 18 days. How many days would 21 painters take, working at the same speed?
11. 11.A car goes 88 km on 8 litres of petrol. How far can it go on 17 litres (in km)?
12. 12.A hostel has enough food for 6 students for 7 days. How many days will the same food last for 3 students?
13. 13.A car goes 40 km on 5 litres of petrol. How far can it go on 23 litres (in km)?
14. 14.A hostel has enough food for 9 students for 5 days. How many days will the same food last for 15 students?
15. 15.If 4 mangoes cost ₹80, how much do 6 mangoes cost (in ₹)?
16. 16.If 10 mangoes cost ₹450, how much do 20 mangoes cost (in ₹)?
17. 17.A car goes 168 km on 8 litres of petrol. How far can it go on 31 litres (in km)?
18. 18.A car goes 34 km on 2 litres of petrol. How far can it go on 10 litres (in km)?
19. 19.A car goes 60 km on 4 litres of petrol. How far can it go on 39 litres (in km)?
20. 20.If 10 cricket balls cost ₹560, how much do 11 cricket balls cost (in ₹)?
21. 21.A car goes 110 km on 5 litres of petrol. How far can it go on 9 litres (in km)?
22. 22.If 3 kg of rice costs ₹264, how many kg can you buy for ₹968?
23. 23.9 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
24. 24.If 3 kg of rice costs ₹180, how many kg can you buy for ₹540?
25. 25.If 2 notebooks cost ₹68, how much do 13 notebooks cost (in ₹)?
26. 26.A car goes 99 km on 9 litres of petrol. How far can it go on 22 litres (in km)?
27. 27.A car goes 132 km on 11 litres of petrol. How far can it go on 39 litres (in km)?
28. 28.If 8 erasers cost ₹272, how much do 5 erasers cost (in ₹)?
29. 29.If 2 kg of rice costs ₹66, how many kg can you buy for ₹429?
30. 30.A car goes 65 km on 5 litres of petrol. How far can it go on 35 litres (in km)?
31. 31.If 12 pens cost ₹144, how much do 7 pens cost (in ₹)?
32. 32.2 painters can paint a school in 5 days. How many days would 5 painters take, working at the same speed?
33. 33.If 3 notebooks cost ₹120, how much do 2 notebooks cost (in ₹)?
34. 34.A hostel has enough food for 5 students for 8 days. How many days will the same food last for 8 students?
35. 35.A car goes 96 km on 8 litres of petrol. How far can it go on 33 litres (in km)?
36. 36.If 3 kg of rice costs ₹270, how many kg can you buy for ₹180?
37. 37.If 7 kg of rice costs ₹392, how many kg can you buy for ₹560?
38. 38.If 7 kg of rice costs ₹301, how many kg can you buy for ₹258?
39. 39.If 8 kg of rice costs ₹464, how many kg can you buy for ₹174?
40. 40.If 9 kites cost ₹171, how much do 2 kites cost (in ₹)?

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