- A9716
- B9616
- C9726
- D9706
Step-by-Step Solution
Digital roots: 347 → 14 → 5 and 28 → 10 → 1, so the product must have digital root . 9716 → 23 → 5. The others give 6, 4 and 4.
Answer: A) 9716
Use digital roots to decide which answer could be correct for .
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
The digits of a number add up to 23. What is the remainder when the number is divided by…The first week of a month is shown. What day of the week is the 27th of that month?The clock shows the time now. What time will it show after 30 hours?Without working out 7⁴ in full, find its remainder on division by 5.Always, sometimes or never? 'The sum of an even number of odd numbers is odd.'