Ratio & Proportion
Q1. Ratio of 12 to 18 in simplest form is
Correct Answer: A. 2:3
Q2. Divide 350 in the ratio 2:5. Larger share is
Correct Answer: D. ₹250
Q3. If 4, 6, x, 9 are in proportion, then x is
Correct Answer: B. 6
Q4. The mean proportional between 4 and 9 is
Correct Answer: B. 6
Q5. If 8 men can do a work in 12 days, how many days will 16 men take?
Correct Answer: B. 6 days
Q6. Cost of 5 pens is ₹75. Cost of 8 pens is
Correct Answer: C. ₹120
Q7. Ratio of 50 cm to 1 m is
Correct Answer: A. 1:2
Q8. Two numbers are in ratio 3:5 and their sum is 64. The smaller number is
Correct Answer: B. 24
Q9. A car travels 180 km in 3 hours. In 5 hours it will travel
Correct Answer: C. 300 km
Q10. Ratio of 250 g to 1 kg is
Correct Answer: A. 1:4
Q11. If a:b = 2:3 and b:c = 4:5, then a:c is
Correct Answer: B. 8:15
Q12. 15 workers complete a job in 20 days. 12 workers will take
Correct Answer: B. 25 days
Q13. In a proportion 5:8::15:x find x.
Correct Answer: C. 24
Q14. Ages of A and B are in ratio 5:7. If A is 25 years old, B is
Correct Answer: C. 35 years
Q15. The third proportional to 4 and 8 is
Correct Answer: C. 16
Q16. Sugar costs ₹40 per kg. Cost of 2.5 kg is
Correct Answer: C. ₹100
Q17. Ratio of 20 minutes to 1 hour is
Correct Answer: B. 1:3
