Question

Can you solve $1598+389+1413$ without using pen and paper and select the correct answer?

• A. $3440$
• B. $3400$
• C. $3500$

Answer 1

The correct option is B $3400$

To solve this we will split the numbers in the following way:

$1598+389+1413=1598+2+389+1+1413-3$


We are adding 2 and 1 to make the numbers multiples of ten and since we added 3 we also have to subtract it to find out the exact answer.

$=1600+390+1410$

Now let's split it like:

$1000+600+300+90+1000+400+10$

$=2000+600+300+90+400+10$

$=2000+1000+300+90+10$

$=3000+300+100$

$=3400$