The values of tt, if the area of the pentagon ABCDEABCDE be 402402 sq. units where A=(1,5)A=(1,5), B=(−2,5)B=(−2,5), C=(−2,−1)C=(−2,−1), D=(0,−3)D=(0,−3) and E=(2,t)E=(2,t) are
In the given figure, ABAB is a chord of length 14cm14cm of a circle with center OO and radius 10cm10cm. The tangents at AA and BB intersect at PP. What is the length of PAPA?
The radii of two circles are 9cm9cm and 12cm12cm respectively. Find the radius of the circle having its area equal to the sum of the areas of the two circles.
A tent of height 19.4 m is in the form of a right circular cylinder of diameter 12 m and height 15.6 m, surmounted by a right circular cone of the same diameter, then the cost of the canvas of the tent at the rate of Rs.239 per m2 is Rs.
According to a meteorological report for 350 consecutive days in a year, its weather forecasts were correct 77 times.
Out of these days, one day is chosen at random.
What is the probability that the weather forecast was not correct on that day?
Following chart shows number of students in a school who got distinction in one of three subjects. Find the number of students who got distinction in History and English.