Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 251 · 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 hostel has enough food for 6 students for 8 days. How many days will the same food last for 4 students?
2. 2.A hostel has enough food for 8 students for 20 days. How many days will the same food last for 4 students?
3. 3.A car goes 154 km on 7 litres of petrol. How far can it go on 2 litres (in km)?
4. 4.If 11 notebooks cost ₹473, how much do 14 notebooks cost (in ₹)?
5. 5.If 4 kites cost ₹24, how much do 18 kites cost (in ₹)?
6. 6.If 7 pens cost ₹63, how much do 3 pens cost (in ₹)?
7. 7.If 8 notebooks cost ₹168, how much do 3 notebooks cost (in ₹)?
8. 8.If 3 kg of rice costs ₹240, how many kg can you buy for ₹1200?
9. 9.If 3 notebooks cost ₹174, how much do 19 notebooks cost (in ₹)?
10. 10.If 4 mangoes cost ₹32, how much do 7 mangoes cost (in ₹)?
11. 11.If 12 mangoes cost ₹360, how much do 13 mangoes cost (in ₹)?
12. 12.If 7 kg of rice costs ₹546, how many kg can you buy for ₹156?
13. 13.If 5 kg of rice costs ₹310, how many kg can you buy for ₹682?
14. 14.4 painters can paint a school in 26 days. How many days would 2 painters take, working at the same speed?
15. 15.If 10 bottles of juice cost ₹100, how much do 3 bottles of juice cost (in ₹)?
16. 16.If 9 kg of rice costs ₹513, how many kg can you buy for ₹570?
17. 17.11 painters can paint a school in 28 days. How many days would 14 painters take, working at the same speed?
18. 18.If 3 kg of rice costs ₹174, how many kg can you buy for ₹290?
19. 19.A car goes 120 km on 12 litres of petrol. How far can it go on 34 litres (in km)?
20. 20.If 7 kites cost ₹49, how much do 13 kites cost (in ₹)?
21. 21.If 3 kg of rice costs ₹183, how many kg can you buy for ₹366?
22. 22.10 painters can paint a school in 8 days. How many days would 2 painters take, working at the same speed?
23. 23.A car goes 80 km on 8 litres of petrol. How far can it go on 4 litres (in km)?
24. 24.A car goes 180 km on 12 litres of petrol. How far can it go on 23 litres (in km)?
25. 25.A hostel has enough food for 12 students for 26 days. How many days will the same food last for 13 students?
26. 26.A hostel has enough food for 8 students for 15 days. How many days will the same food last for 3 students?
27. 27.A car goes 96 km on 12 litres of petrol. How far can it go on 36 litres (in km)?
28. 28.If 5 kg of rice costs ₹435, how many kg can you buy for ₹783?
29. 29.A hostel has enough food for 6 students for 5 days. How many days will the same food last for 15 students?
30. 30.If 2 bottles of juice cost ₹66, how much do 10 bottles of juice cost (in ₹)?
31. 31.9 painters can paint a school in 30 days. How many days would 6 painters take, working at the same speed?
32. 32.If 7 kg of rice costs ₹182, how many kg can you buy for ₹312?
33. 33.If 7 erasers cost ₹98, how much do 8 erasers cost (in ₹)?
34. 34.A car goes 144 km on 9 litres of petrol. How far can it go on 4 litres (in km)?
35. 35.If 6 kg of rice costs ₹294, how many kg can you buy for ₹588?
36. 36.If 5 bottles of juice cost ₹90, how much do 13 bottles of juice cost (in ₹)?
37. 37.A car goes 108 km on 9 litres of petrol. How far can it go on 18 litres (in km)?
38. 38.A hostel has enough food for 9 students for 6 days. How many days will the same food last for 6 students?
39. 39.A car goes 76 km on 4 litres of petrol. How far can it go on 24 litres (in km)?
40. 40.If 9 mangoes cost ₹72, how much do 14 mangoes cost (in ₹)?

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