Question

The following calculation was found in the Royal book of accounts. If $A$ and $B$ are digits, then find their value.

• A. A = 4, B = 1
• B. A = 0, B = 1
• C. A = 9, B = 4
• D. A = 0, B = 4

Answer 1

The correct option is D A = 0, B = 4


From this image, observe that you have to find the result of $835\times 75$.

Let us find this using the standard algorithm.

In step 1:
Multiplying $835\times 3$, you get $2505$.


In step 2:
Multiplying $835\times 70$, you get $58450$.
So, write $58450$ below $2505$.


In step 3:
Adding $2505$ with $58450$, you get $60955$.


Comparing the digits with the values given in the question, t $A=0$ and $B=4$.