Recent activity by Lakshman Bhaiya

How many triangles are present in the given figure?$12$ $16$$20$$24$

Three bells $P$, $Q$ and $R$ are rung periodically in a school. $P$ is rung every $20$ minutes; $Q$ is rung every $30$ minutes and $R$ is rung every $50$ minutes.If all t...

Which one of the options does NOT describe the passage below or follow from it?We tend to think of cancer as a 'modern' illness because its metaphors are so modern. It is...

Students of all the departments of a college who have successfully completed the registration process are eligible to vote in the upcoming college elections. However, by ...

Altruism is the human concern for the wellbeing of others. Altruism has been shown to be motivated more by social bonding, familiarity and identification of belongingness...

The figure below shows the front and rear view of a disc, which is shaded with identical patterns. The disc is flipped once with respect to any one of the fixed axes $1 -...

There are two identical dice with a single letter on each of the faces. The following six letters: $\text{Q, R, S, T, U}$ and $\text{V}$, one on each of the faces. Any of...

The price of an item is $10\%$ cheaper in an online store $\text{S}$ compared to the price at another online store $\text{M}$. Store $\text{S}$ charges $\text{₹ }150$ fo...

An ant is at the bottom-left corner of a grid (point $\text{P}$) as shown above. It aims to move to the top-right corner of the grid. The ant moves only along the lines m...

Given below are two statements and four conclusions drawn based on the statements.Statement $1$: Some bottles are cups.Statement $2$: All cups are knives. Conclusion $\te...

In a $500\;m$ race, $P$ and $Q$ have speeds in the ratio of $3 : 4$. $Q$ starts the race when $P$ has already covered $140\; m$.What is the distance between $P$ and $Q$ (...

As you grow older, an injury to your ______________ may take longer to ____________.heel / heelheal / heelheal / healheel / heal

Let $p$ and $q$ be real numbers such that $p^{2}+q^{2}=1$ . The eigenvalues of the matrix $\begin{bmatrix} p & q\\ q& -p \end{bmatrix}$are$1$ and $1$$1$ and $-1$$j$ and $...

Let $f\left ( x \right )$ be a real-valued function such that ${f}'\left ( x_{0} \right )=0$ for some $x _{0} \in\left ( 0,1 \right ),$ and ${f}''\left ( x \right ) 0$ fo...

Which one of the following vector functions represents a magnetic field $\overrightarrow{B}$?$\text{($\hat{X}, \hat{Y}$ and $\hat{Z}$ are unit vectors along x-axis, y-axi...

Let $A$ be a $10\times10$ matrix such that $A^{5}$ is a null matrix, and let $I$ be the $10\times10$ identity matrix. The determinant of $\text{A+I}$ is _________________...