JBC Expert Team Solutions for Chapter: Practice Set, Exercise 19: Quantitative Aptitude

In the given figure, $POQ$ is a diameter and $PQRS$ is a cyclic quadrilateral. If $\angle PSR = 130°$, then $\angle RPQ = ?$

Two vertices of $∆$ABC are A(6,4) and B(-2,2) and its centroid is G(3,4). The coordinates of C are:

A and B are partners in a business. A contributes $\frac{1}{4}$ of the capital for 15 months and B received  $\frac{2}{3}$ of the profit. Find for how long B 's money was used.

The sum of five numbers is $555$. The average of first two numbers is $75$ and the third number is $115$. What is the average of last two numbers?

The compound interest on a sum at 12% p.a. for 2 years is ₹1590. What will be the simple interest on this sum?

The angle between the minute hand and the hour hand of a clock when the time is $8:30$, is:

A chord of length $30 \mathrm{cm}$ is at a distance of $8 \mathrm{cm}$ from the centre of a circle. The radius of the circle is:

In the given figure, $AOB$ is a straight line, $\angle AOC = 68°$ and $\angle BOC = x°$. The value of x is