Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 252 · 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. 1.9 painters can paint a school in 10 days. How many days would 6 painters take, working at the same speed?
2. 2.5 painters can paint a school in 11 days. How many days would 11 painters take, working at the same speed?
3. 3.2 painters can paint a school in 6 days. How many days would 6 painters take, working at the same speed?
4. 4.A car goes 16 km on 2 litres of petrol. How far can it go on 21 litres (in km)?
5. 5.If 7 cricket balls cost ₹413, how much do 6 cricket balls cost (in ₹)?
6. 6.A hostel has enough food for 6 students for 8 days. How many days will the same food last for 4 students?
7. 7.A hostel has enough food for 6 students for 18 days. How many days will the same food last for 3 students?
8. 8.If 2 kg of rice costs ₹66, how many kg can you buy for ₹330?
9. 9.If 9 kg of rice costs ₹243, how many kg can you buy for ₹270?
10. 10.If 10 cricket balls cost ₹410, how much do 2 cricket balls cost (in ₹)?
11. 11.A car goes 54 km on 6 litres of petrol. How far can it go on 31 litres (in km)?
12. 12.If 2 kg of rice costs ₹88, how many kg can you buy for ₹308?
13. 13.A car goes 68 km on 4 litres of petrol. How far can it go on 19 litres (in km)?
14. 14.If 8 notebooks cost ₹96, how much do 15 notebooks cost (in ₹)?
15. 15.A hostel has enough food for 6 students for 9 days. How many days will the same food last for 2 students?
16. 16.If 8 pencil boxes cost ₹176, how much do 17 pencil boxes cost (in ₹)?
17. 17.A hostel has enough food for 2 students for 28 days. How many days will the same food last for 8 students?
18. 18.If 5 kg of rice costs ₹295, how many kg can you buy for ₹354?
19. 19.If 6 pencil boxes cost ₹96, how much do 11 pencil boxes cost (in ₹)?
20. 20.If 8 kg of rice costs ₹496, how many kg can you buy for ₹248?
21. 21.If 7 bottles of juice cost ₹21, how much do 3 bottles of juice cost (in ₹)?
22. 22.If 8 kg of rice costs ₹272, how many kg can you buy for ₹238?
23. 23.If 5 kites cost ₹65, how much do 13 kites cost (in ₹)?
24. 24.If 4 kg of rice costs ₹292, how many kg can you buy for ₹803?
25. 25.If 4 kg of rice costs ₹332, how many kg can you buy for ₹1162?
26. 26.If 7 pencil boxes cost ₹252, how much do 6 pencil boxes cost (in ₹)?
27. 27.A car goes 36 km on 4 litres of petrol. How far can it go on 40 litres (in km)?
28. 28.If 11 pens cost ₹220, how much do 19 pens cost (in ₹)?
29. 29.If 11 notebooks cost ₹242, how much do 12 notebooks cost (in ₹)?
30. 30.7 painters can paint a school in 10 days. How many days would 10 painters take, working at the same speed?
31. 31.A hostel has enough food for 6 students for 4 days. How many days will the same food last for 2 students?
32. 32.If 7 kg of rice costs ₹511, how many kg can you buy for ₹730?
33. 33.If 3 kites cost ₹9, how much do 6 kites cost (in ₹)?
34. 34.A car goes 34 km on 2 litres of petrol. How far can it go on 26 litres (in km)?
35. 35.If 3 erasers cost ₹21, how much do 4 erasers cost (in ₹)?
36. 36.12 painters can paint a school in 23 days. How many days would 23 painters take, working at the same speed?
37. 37.A hostel has enough food for 6 students for 18 days. How many days will the same food last for 4 students?
38. 38.If 4 notebooks cost ₹48, how much do 15 notebooks cost (in ₹)?
39. 39.If 5 pens cost ₹190, how much do 14 pens cost (in ₹)?
40. 40.If 3 kg of rice costs ₹141, how many kg can you buy for ₹470?

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