Shreya buys a number of toys for $24$24. If she had bought 22 more toys for the same amount, each toy would have cost $1$1 less. How many toys did she buy?
If the sum of the first nn terms of an arithmetic progression is given by the equation 21n+3n2,21n+3n2, then what is the 21st21st element of this AP?AP?
A right-angle triangle has a hypotenuse of length pcmpcm and one side of length qcmqcm. If p−q=1cmp−q=1cm, then the length of the third side of the triangle is
In the given figure, ABCDABCD is a quadrilateral such that ∠D=90∘∠D=90∘. A circle with center OO and radius rr, touches the sides AB,BC,CD,AB,BC,CD, and DADA at P,Q,R,P,Q,R, and SS respectively. If BC=59cm,CD=44cmBC=59cm,CD=44cm, and BP=49cm.BP=49cm. What is the radius of the circle?
A drinking glass is in the shape of a frustum of a cone of height 15cm15cm. The diameters of its two circular ends are 14cm14cm and 10cm10cm. Find the capacity of the drinking glass.(Use π=227π=227)
Katie and Chloe each have a bag that contains one ball each of the colors black, pink, orange, blue and red. Katie randomly selects a ball from her bag and puts it in Chloe's bag. Then Chloe randomly selects a ball from her bag and puts it in Katie's bag. What is the probability that after this the contents of the bag are the same as before?
An equilateral triangle has side length 9 cm. What is the area of a region of all the points outside the equilateral triangle that are within 3 cm of the triangle?