Question 84

If $$10^{67}- 87$$ is written as an integer in base 10 notation, what is the sum of digits in that integer? ·

Solution

$$10^{67}- 87$$ = $$9999....99913$$ (total 67 digits)

Sum of digits =$$65*9 + 1 + 3$$ = 589

Share on Whatsapp Share on Whatsapp

Create a FREE account and get:

All Quant Formulas and shortcuts PDF
170+ previous papers with solutions PDF
Top 5000+ MBA exam Solved Questions for Free

Follow us on

Boost your Prep!

Download App