Question

If numbers reads “Forty five lakh sixty one thousand two hundred thirty four” the sum of digits in the number is
A. 45
B. 25
C. 15
D. 65

Answer 1

Hint: First of all this is a very simple and a very easy problem. Given a number in alphabetic words and we have to express the given number in mathematical figures, and then add the given number carefully by each one-by-one digit to get the sum of the digits in the given number, which is expressed in alphabetical words.

Complete step-by-step solution:
Given a number in words not in numerical, we have to convert this number from words to numerical form.
Let us first consider forty five lakh, which is :
Forty five lakh in figures is = $45,00,000$
Now considering sixty one thousand, which is :
sixty one thousand in figures is = $61,000$
Now considering two hundred, which is :
Two hundred in figures is = $200$
Now considering thirty, which is :
Thirty in figures is = $30$
Now considering four, which is:
four in figures is = $4$
Now adding the figures:
$ \Rightarrow 45,00,000 + 61,000 + 200 + 30 + 4$
\[ \Rightarrow 45,61,000 + 200 + 30 + 4\]
\[ \Rightarrow 45,61,200 + 30 + 4\]
\[ \Rightarrow 45,61,230 + 4\]
\[ \Rightarrow 45,61,234\]
The sum of the digits of the number \[45,61,234\], is:
$ \Rightarrow 4 + 5 + 6 + 1 + 2 + 3 + 4$
$ \Rightarrow 25$
The sum of digits in the number \[45,61,234\] is $25$.

Option B is the correct answer.

Note: Please note that while solving the problem we need to be careful that while adding the sum of the digits after obtaining the given number in numerical figures, we have to consider places of the digit while adding, first adding the digits in lakh’s place and then adding the digits in thousand’s place, then adding the digits in hundreds place and so on till one’s digit place.