book Maths Puzzle Numerical Ability

Find the indicated product.

-x^5y(3xy^4+3x^5y^4-x^4y)

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book Other Question

A person starts in a car to attend a marriage and travels with constant speed. After 2 hrs one of the tires got punctured and it took 10min to replace. Later he travels at 30miles/ what is -3+5=5-2