Question
I is the mother-in-law of J who is the sister-in-law of
H. G is the father of H who is the only brother of K. G is married to I. How is I related to K?Solution
The ratio of the radii of the bases of a cylinder and a cone is 5:6, while the ratio of their heights is 3:4. What is the ratio of the volume of the cyl...
The length of a rectangular floor is four times its breadth. If Rs. 2160 is required to paint the floor at the rate of Rs. 15 per square metre, what is ...
Two wires A and B are made of the same material and have the same length but different cross-sectional areas. If the resistance of wire A is 9 times the...
The circumference of a circle is 77 cm and the length of the rectangle is 4 times the radius of the circle. Find the area (in cm2) of the rec...
The cost of fencing a rectangular plot at the rate of Rs. 12/metre is Rs. 960. If the ratio of the length to breadth is 5:3, find the area of the rectan...
The monthly salary of a person was Rs 50,000. He used to spend on three heads- personal and family expenses (E), taxes (T), philanthropy (P), and rest ...
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 270 cm. If each side of a square is 25% more than the brea...
Area of a rhombus whose one of the diagonals (d1) is 28 cm, is 560 cm2. Each side of a square paper is 20 cm more than other diagonal (d2) of...
The weight of a cubic metre metal is 1215 kg. It is melted and cast into a square rod of 9m length. A solid cube of maximum size is taken out from one e...
A circle has a radius of 21 cm and the area of its sector is 308 cm². Find the angle subtended by the arc at the center of the circle. (Use π = 22/7)<...