book Maths Puzzle Numerical Ability

A rectangle is twice as long as it is wide if its length and width are both icreased by 2 cm the area of the rectangle is increased by 40 cm find the dimensions of the original rec

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book Other Question

The formula for the height s reached by a rocket fired straight up from the ground with a velocity of 96 feet per second is h = -16t^2 + 96t. Find the height reached after 1.5 seconds. X and Y have some chocolates with each of them.if X GIVE y FOUR CHOCOLATES, Y will have twice the number of chocolates as X.instead if Y gives X two chocolates,both of them will have equal numbers of chocolates with them.how many chocolates did X and Y have initially ?

and :- (16,20)