Question

There are $13$ newspapers in rack $1$ and $12$ newspapers in rack $2.$ How many newspapers are there in both the racks?

• A. $12+13=45,45$ newspapers
• B. $13+12=25,25$ newspapers
• C. $13+12=35,35$ newspapers
• D. $12+13=52,52$ newspapers

Answer 1

The correct option is B $13+12=25,25$ newspapers

Number of newspapers in rack $1=13$
$13=1$ Ten $+3$ Ones
Number of newspapers in rack $2=12$
$12=1$ Ten $+2$ Ones

Total number of newspapers $=13+12$

$13=1$ Ten $+3$ Ones
$12=+1$ Ten $+2$ Ones
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$2$ Tens $+5$ Ones
$2$ Tens $+5$ Ones $=25$ newspapers

Hence, there are $25$ newspapers in both the racks.