For the following questions answer them individually
The distance between the points (0, 0) and the intersecting point of the graphs of x= 3 and y = 4 is
A certain number when divided by 899 leaves the remainder 65. When the same number is divided by 31, the remainder is :
If G is the centroid and AD, BE, CF are three medians of triangle ABC with area 72 sq cm , then the area of triangle BDG is :
The tangents drawn at the points A and B of a circle centred at 0 meet at P. If ∠AOB = 120° then ∠APB : ∠APO is :
From the top of a cliff 90 metre high, the angles of depression of the top and bottom of a tower are observed to be 30° and 60° respectively. The height of the tower is :
The least positive integer which is a perfect square and also divisible by each of 21, 36 and 66 is :