There are $39$ laddoos in $1$kg. How many laddoos will be there in $23$kg?

Given:

No. of laddoos in $1$Kg = $39$

To find:

No. of laddoos in $23$Kg

Calculation:

No. of laddoos in $1$Kg = $39$

No. of laddoos in $23$Kg =?

By using the cross multiplication method,

No. of laddoos in $23$Kg = $23\times 39$

                                         = $897$

Therefore, $897$laddoos are there in $23$Kg.

Hence, the correct option is B.