Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 109 · 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. 1.8 painters can paint a school in 10 days. How many days would 4 painters take, working at the same speed?
2. 2.If 9 kg of rice costs ₹423, how many kg can you buy for ₹141?
3. 3.A car goes 120 km on 5 litres of petrol. How far can it go on 21 litres (in km)?
4. 4.If 5 kg of rice costs ₹240, how many kg can you buy for ₹432?
5. 5.If 7 kg of rice costs ₹441, how many kg can you buy for ₹819?
6. 6.A hostel has enough food for 10 students for 10 days. How many days will the same food last for 4 students?
7. 7.A car goes 46 km on 2 litres of petrol. How far can it go on 10 litres (in km)?
8. 8.A hostel has enough food for 3 students for 6 days. How many days will the same food last for 9 students?
9. 9.2 painters can paint a school in 27 days. How many days would 9 painters take, working at the same speed?
10. 10.If 3 bottles of juice cost ₹171, how much do 18 bottles of juice cost (in ₹)?
11. 11.A car goes 44 km on 4 litres of petrol. How far can it go on 12 litres (in km)?
12. 12.A car goes 66 km on 6 litres of petrol. How far can it go on 3 litres (in km)?
13. 13.3 painters can paint a school in 20 days. How many days would 20 painters take, working at the same speed?
14. 14.A car goes 231 km on 11 litres of petrol. How far can it go on 27 litres (in km)?
15. 15.If 2 kg of rice costs ₹56, how many kg can you buy for ₹392?
16. 16.If 6 kg of rice costs ₹150, how many kg can you buy for ₹300?
17. 17.If 2 kg of rice costs ₹152, how many kg can you buy for ₹836?
18. 18.If 7 mangoes cost ₹84, how much do 5 mangoes cost (in ₹)?
19. 19.2 painters can paint a school in 4 days. How many days would 4 painters take, working at the same speed?
20. 20.10 painters can paint a school in 23 days. How many days would 5 painters take, working at the same speed?
21. 21.If 3 bottles of juice cost ₹159, how much do 2 bottles of juice cost (in ₹)?
22. 22.If 3 pens cost ₹174, how much do 9 pens cost (in ₹)?
23. 23.If 6 pencil boxes cost ₹348, how much do 13 pencil boxes cost (in ₹)?
24. 24.If 5 kites cost ₹255, how much do 14 kites cost (in ₹)?
25. 25.A car goes 132 km on 6 litres of petrol. How far can it go on 4 litres (in km)?
26. 26.A hostel has enough food for 12 students for 10 days. How many days will the same food last for 24 students?
27. 27.If 5 pens cost ₹270, how much do 14 pens cost (in ₹)?
28. 28.If 2 kg of rice costs ₹152, how many kg can you buy for ₹228?
29. 29.A hostel has enough food for 10 students for 23 days. How many days will the same food last for 23 students?
30. 30.A car goes 48 km on 2 litres of petrol. How far can it go on 29 litres (in km)?
31. 31.A car goes 192 km on 8 litres of petrol. How far can it go on 10 litres (in km)?
32. 32.If 7 cricket balls cost ₹350, how much do 2 cricket balls cost (in ₹)?
33. 33.If 2 notebooks cost ₹28, how much do 16 notebooks cost (in ₹)?
34. 34.If 5 bottles of juice cost ₹20, how much do 4 bottles of juice cost (in ₹)?
35. 35.If 5 pens cost ₹20, how much do 10 pens cost (in ₹)?
36. 36.If 8 pens cost ₹32, how much do 6 pens cost (in ₹)?
37. 37.A car goes 20 km on 2 litres of petrol. How far can it go on 8 litres (in km)?
38. 38.A car goes 45 km on 5 litres of petrol. How far can it go on 34 litres (in km)?
39. 39.If 2 kg of rice costs ₹180, how many kg can you buy for ₹540?
40. 40.A car goes 144 km on 6 litres of petrol. How far can it go on 11 litres (in km)?

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