Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 331 · 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 9 pens cost ₹36, how much do 11 pens cost (in ₹)?
2. 2.If 7 kg of rice costs ₹168, how many kg can you buy for ₹48?
3. 3.A hostel has enough food for 6 students for 20 days. How many days will the same food last for 10 students?
4. 4.If 10 notebooks cost ₹210, how much do 3 notebooks cost (in ₹)?
5. 5.3 painters can paint a school in 14 days. How many days would 7 painters take, working at the same speed?
6. 6.9 painters can paint a school in 25 days. How many days would 15 painters take, working at the same speed?
7. 7.If 11 pencil boxes cost ₹572, how much do 16 pencil boxes cost (in ₹)?
8. 8.If 5 kg of rice costs ₹135, how many kg can you buy for ₹270?
9. 9.If 10 notebooks cost ₹320, how much do 4 notebooks cost (in ₹)?
10. 10.If 4 kg of rice costs ₹200, how many kg can you buy for ₹250?
11. 11.If 9 mangoes cost ₹441, how much do 12 mangoes cost (in ₹)?
12. 12.2 painters can paint a school in 10 days. How many days would 5 painters take, working at the same speed?
13. 13.If 5 kg of rice costs ₹275, how many kg can you buy for ₹825?
14. 14.10 painters can paint a school in 16 days. How many days would 20 painters take, working at the same speed?
15. 15.If 3 erasers cost ₹129, how much do 7 erasers cost (in ₹)?
16. 16.A car goes 80 km on 10 litres of petrol. How far can it go on 11 litres (in km)?
17. 17.A car goes 190 km on 10 litres of petrol. How far can it go on 35 litres (in km)?
18. 18.If 2 kg of rice costs ₹124, how many kg can you buy for ₹248?
19. 19.A hostel has enough food for 9 students for 12 days. How many days will the same food last for 18 students?
20. 20.A car goes 150 km on 10 litres of petrol. How far can it go on 14 litres (in km)?
21. 21.If 7 pens cost ₹63, how much do 4 pens cost (in ₹)?
22. 22.2 painters can paint a school in 22 days. How many days would 11 painters take, working at the same speed?
23. 23.A car goes 32 km on 4 litres of petrol. How far can it go on 8 litres (in km)?
24. 24.If 4 kg of rice costs ₹196, how many kg can you buy for ₹392?
25. 25.A car goes 162 km on 9 litres of petrol. How far can it go on 14 litres (in km)?
26. 26.If 5 kg of rice costs ₹120, how many kg can you buy for ₹240?
27. 27.If 9 kg of rice costs ₹558, how many kg can you buy for ₹868?
28. 28.If 12 erasers cost ₹144, how much do 19 erasers cost (in ₹)?
29. 29.A car goes 33 km on 3 litres of petrol. How far can it go on 9 litres (in km)?
30. 30.A hostel has enough food for 12 students for 17 days. How many days will the same food last for 4 students?
31. 31.If 4 bottles of juice cost ₹224, how much do 14 bottles of juice cost (in ₹)?
32. 32.A car goes 300 km on 12 litres of petrol. How far can it go on 11 litres (in km)?
33. 33.7 painters can paint a school in 30 days. How many days would 10 painters take, working at the same speed?
34. 34.A hostel has enough food for 2 students for 4 days. How many days will the same food last for 4 students?
35. 35.5 painters can paint a school in 24 days. How many days would 4 painters take, working at the same speed?
36. 36.A hostel has enough food for 2 students for 14 days. How many days will the same food last for 14 students?
37. 37.If 11 notebooks cost ₹231, how much do 12 notebooks cost (in ₹)?
38. 38.If 3 pens cost ₹150, how much do 11 pens cost (in ₹)?
39. 39.A car goes 136 km on 8 litres of petrol. How far can it go on 20 litres (in km)?
40. 40.A car goes 80 km on 4 litres of petrol. How far can it go on 9 litres (in km)?

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