Mathematics
Assertion (A) : The numbers 8, 10, 12, x and 15 are in ascending order of their values. If the mean of their observations is equal to their median, the value of x is 15. Reason (R) : If the number of observations is n, their mean = and median (if n is odd) = value of the observation 1. A is true, R is true 2. A is true, R is false 3. A is false, R is true 4. A is false, R is false
Related Questions
In the given figure, the angle of depression of point D from point A is :
55°
35°
45°
60°
Two men A and B have a choice to buy ₹ 100 shares. A buys shares at ₹ 120 per share and 5% dividend. B buys shares at ₹ 150 per share and 8% dividend. Which of the two men A and B gets the better return, if the nominal value of both the shares is ₹ 100?
A
B
both get equal returns
cannot say
As shown in the adjoining figure, a wire of uniform thickness is rolled on a cylinder to cover it completely, without any overlapping. If the diameter of the wire is 0.25 cm, find :
(i) the number of turns made by the wire to cover the cylinder completely.
(ii) length of wire used.
