For the following questions answer them individually
The rate of simple interest at which a sum of money becomes three times in 25 years is :
ABCD is a trapezium, such that AB = CD and AD is parallel to BC. AD = 5 cm, BC = 9 cm. If area of ABCD is 35 sq.cm, then CD is :
If x*sin^3 θ + y *cos^3 θ = sinθ * cosθ ≠0 and x sinθ - y cosθ = 0, then value of (x^2 + y^2 ) is
P and Q are the middle points of two chords (not diameters) AB and AC respectively of a circle with centre at a point 0. The lines OP and OQ are produced to meet the circle respectively at the points R and S. T is any point on the major arc between the points R and S of the circle. If ∠BAC = 32°, ∠RTS = ?
A container has 80 L of milk. From this container 8 L of milk was taken out and replaced by water. The process was further repeated twice. The value of milk in the container after that is :
The radius of a circle is 13 cm and XY is a chord which is at a distance of 12 cm from the centre. The length of the chord is :