- A3
- B5
- C8
- D4
Step-by-Step Solution
4567 → 22 → 4 and 89 → 17 → 8. → 5. (The product 406463 has digit sum 23 → 5.)
Answer: B) 5
Find the digital root of the product without multiplying.
Class 8Parity, Remainders and Digital RootsNumber System
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Parity, Remainders and Digital Roots practice questions
More Class 8 Parity, Remainders and Digital Roots practice
A number leaves a remainder of 23 when divided by 35. What remainder does it leave when…Two odd numbers are added. The sum is always:Find the digital root of 384 (keep adding the digits until one digit is left).What is the sum of the three odd numbers 11, 25 and 37: odd or even, and why?Without adding them fully, find the remainder when 23 + 19 is divided by 4.