- A85
- B128
- C43
- D86
Step-by-Step Solution
Three-digit multiples of 7: 105 to 994, i.e. 128. Of these, multiples of 21: 105 to 987, i.e. 43. .
Answer: A) 85
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Number System, HCF & LCM practice questions