exam Maths Puzzle Numerical Ability

A group of people consists of 14 men and some women. One man and one woman can be selected in 252 ways. How many women are in the group?

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exam Other Question

the sum of two numbers is 11 at most. Their difference is 21. What are these two numbers? Science and medicine. The combined resistance of two resistors R1 and R2 in a
parallel circuit is given by the formula
Simplify the formula