Unitary Method Worksheet

Quantitative aptitude lesson 7: Unitary method · Set 236 · 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. 1.7 painters can paint a school in 16 days. How many days would 4 painters take, working at the same speed?
2. 2.A hostel has enough food for 6 students for 27 days. How many days will the same food last for 9 students?
3. 3.If 3 cricket balls cost ₹27, how much do 7 cricket balls cost (in ₹)?
4. 4.If 4 bottles of juice cost ₹76, how much do 15 bottles of juice cost (in ₹)?
5. 5.If 10 mangoes cost ₹180, how much do 11 mangoes cost (in ₹)?
6. 6.If 11 pens cost ₹363, how much do 10 pens cost (in ₹)?
7. 7.If 6 pencil boxes cost ₹24, how much do 7 pencil boxes cost (in ₹)?
8. 8.10 painters can paint a school in 25 days. How many days would 5 painters take, working at the same speed?
9. 9.If 12 notebooks cost ₹720, how much do 18 notebooks cost (in ₹)?
10. 10.If 3 notebooks cost ₹147, how much do 18 notebooks cost (in ₹)?
11. 11.If 10 erasers cost ₹130, how much do 4 erasers cost (in ₹)?
12. 12.3 painters can paint a school in 16 days. How many days would 8 painters take, working at the same speed?
13. 13.7 painters can paint a school in 26 days. How many days would 13 painters take, working at the same speed?
14. 14.If 9 erasers cost ₹162, how much do 18 erasers cost (in ₹)?
15. 15.If 5 kg of rice costs ₹160, how many kg can you buy for ₹448?
16. 16.If 8 kg of rice costs ₹512, how many kg can you buy for ₹448?
17. 17.A car goes 22 km on 2 litres of petrol. How far can it go on 10 litres (in km)?
18. 18.A hostel has enough food for 3 students for 28 days. How many days will the same food last for 12 students?
19. 19.11 painters can paint a school in 30 days. How many days would 22 painters take, working at the same speed?
20. 20.A hostel has enough food for 12 students for 4 days. How many days will the same food last for 3 students?
21. 21.A car goes 225 km on 9 litres of petrol. How far can it go on 35 litres (in km)?
22. 22.8 painters can paint a school in 17 days. How many days would 4 painters take, working at the same speed?
23. 23.A hostel has enough food for 4 students for 6 days. How many days will the same food last for 3 students?
24. 24.If 11 pens cost ₹297, how much do 3 pens cost (in ₹)?
25. 25.A car goes 80 km on 4 litres of petrol. How far can it go on 16 litres (in km)?
26. 26.If 6 kg of rice costs ₹204, how many kg can you buy for ₹476?
27. 27.2 painters can paint a school in 17 days. How many days would 17 painters take, working at the same speed?
28. 28.A car goes 44 km on 2 litres of petrol. How far can it go on 14 litres (in km)?
29. 29.A hostel has enough food for 5 students for 12 days. How many days will the same food last for 6 students?
30. 30.If 5 cricket balls cost ₹225, how much do 12 cricket balls cost (in ₹)?
31. 31.If 6 bottles of juice cost ₹66, how much do 2 bottles of juice cost (in ₹)?
32. 32.If 3 pencil boxes cost ₹162, how much do 19 pencil boxes cost (in ₹)?
33. 33.If 9 pens cost ₹162, how much do 4 pens cost (in ₹)?
34. 34.2 painters can paint a school in 21 days. How many days would 7 painters take, working at the same speed?
35. 35.If 9 kg of rice costs ₹423, how many kg can you buy for ₹517?
36. 36.If 12 pens cost ₹192, how much do 13 pens cost (in ₹)?
37. 37.If 5 pens cost ₹295, how much do 7 pens cost (in ₹)?
38. 38.A car goes 75 km on 5 litres of petrol. How far can it go on 9 litres (in km)?
39. 39.If 2 kg of rice costs ₹158, how many kg can you buy for ₹869?
40. 40.If 5 kg of rice costs ₹400, how many kg can you buy for ₹880?

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