Question
Two pipes X and Y can fill a cistern in 21 hours and 24
hours, respectively. The pipes are opened simultaneously, and it is found that due to a leakage in the bottom, it takes 48 minutes more to fill the cistern. When the cistern is full, in how much time will the leak empty it if no pipe is open during that time?Solution
If the perimeter of a square is 40 cm, what is the length of each side?
In the given figure, O is centre of the circle. Circle has 3 tangents. If ∠ QPR = 45 0 , then what is the value (in degrees) of ∠ QOR ?
Orthocenter of an right angle triangle lies on
The measure of an angle is one-third of its supplementary angle. Find its measure.
In the given figure. ‘O' is the centre of the circle and ∠BCA = 50°. The value of ∠BDA is:
The radius of the incircle of a triangle is 3 cm. if the area of the triangle is 12 cm 2 , then its perimeter is?
The length of the each side of an equilateral triangle is 7√3 cm . The area of circumcircle, (cm 2 ) is
- ABCD is cyclic quadrilateral in which A = 72º and B = 105º What is the difference between the measures of C and D?
If in a ΔABC, AD is internal angle bisector & D is a point on BC, AB = 6cm, BC = 9cm then what is BD:CD?
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