- A3, 6, 5, 10
- B2, 4, 5, 8
- C1, 3, 2, 5
- D4, 5, 8, 9
Step-by-Step Solution
Numbers a, b, c, d are in proportion if a*d = b*c. For 3, 6, 5, 10: 3*10 = 30 and 6*5 = 30, equal, so they are in proportion.
Answer: A) 3, 6, 5, 10
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Ratios and Proportions practice questions