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Q. What is the next number of the following sequence
5, 8, 20, 42, 124, 246, 736,....

Read Solution (Total 4)

SELF Other Question

Q. Solve
3SinA + 4CosA = 5
4CosA - 3SinA = ?
Q. Engineer k visually inspected 1000 microchips for surface flaws and found flaws in 37 of them. Engineer H inspected the same microchips and found flaws in 43 of them. A total of 948 microchips were found to be flawless by both engineers. One of the 1000 microchips is selected at random.
1) Find the probability that a flaw was found in his microchip by at least one of the engineers
2) Find the probability that flaws were found in this microchip by both engineers
3) Find the probability that flaw was found by engineer k but not by engineer H