Question
Ratio of present ages of A and B is 3:5, respectively. C
who is 5 years older than A will become 35 years older after 12 years. Find the present age of B.Solution
Let, present ages of A and B be ‘3x’ years and ‘5x’ years respectively. So, 3x + 5 = 35 – 12 3x = 18 x = 6 Present age of B = 5x = 30 years
The radius of a circle is 14 cm, and the angle subtended by a sector at the center of the circle is 120°. Find the area of the sector.
The diagonals of a rhombus are 16 cm and 12 cm. Find the area of the rhombus.
A rectangle has a length that is 4 cm more than its width. If the perimeter of the rectangle is 32 cm, find the dimensions of the rectangle.
Two trains are moving in opposite directions at speeds of 72 km/hr and 54 km/hr. If they cross each other in 15 seconds, find the length of the faster t...
An inlet pipe can fill a cistern in 25 minutes when working alone. However, due to a leak, the fully filled cistern would empty in 87.5 minutes. If the ...
Which tab is NOT included in MS-PowerPoint?
Which of the following graphical models represents the relationships between entity sets in a database?
A spherical balloon is being inflated such that its radius is increasing at a rate of 2 cm per second. After 5 seconds, find the volume of the balloon. ...
A sphere is inscribed in a cylinder. The radius of the cylinder is 7 cm. What is the volume of the sphere?
Relevant for Exams:
