exam Maths Puzzle Numerical Ability

If your class has 15 males and 10 females in it, how many different committees consisting of 3 males and 4 females can be chosen?

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exam Other Question

Ata distance of 0.5 miles from the runway, the noise level of a supersonic transport plane at takeoff is approximately 150 decibels. What is the sound wave intensity in watts per s


A=P+Prt

Solve for P

Solve for r