Can you find a six digit number under 5 lakh such that the sum of it's digits is 43 ? Choose the correct answer:  A) 588338  B) 499449  C) 399826  D) 788392  E) 622975
B   The required number is 499449.   The maximum sum of a number under 5 lakh will be of the number 499999 i.e. 49.   Thus the required number must be close to 499999.   The root of 499999 ~ 707.106   499449y calculating the square of 707, we get 499849 which is the answer.
<result>B</result>
Can you find a six digit number under 5 lakh such that the sum of it's digits is 43 ?