Mathematics Tes...

A person mistakenly calculated the mean and the median of a sample data of 200 items as 100 and 104, respectively. The maximum value of the individual data was 200. When the data was rechecked, it was found that the value of the maximum sample data was 220. The values of true mean and true median are

Consider the following expression:

The number of values of x which satisfy the given expression is

If P and Q are two sets such that and  for same set A, then which of the following options is correct?

Evaluate:

Find the maximum value of 15 cosA + 8 sinA.

The axis of a parabola is along the abscissa. Its vertex is at origin and it passes through a point P(2, 3). The equation of the parabola is

A canonical plastic bottle whose height is 21 m and radius of base is 7 m is being filled with milk at a uniform rate of 5/3 m3/min. When the milk level is 6 m, find the rate at which the level of the milk in the bottle is rising.

Consider the given expression:

Differentiate y with respect to x.

Find the area (unit²) bounded by the two curves y = 6 + 5x - 2x² y = 2x + 3.

If 0 < P(X) < 1, 0 < P(Y) < 1 and  then Which of the following is correct?