WBCS Mains 2018 Official Paper-VI

The value of $(0.243{)}^{0.2}\times (10{)}^{0.6}$ is

The two equations $3x+6y=15$ and $6x+12y=30$ have

A small business owner took a loan of $\text{Rs. }73000$ from his friend. He repays the principal along with interest, totaling $\text{Rs. }73100$, after $1$ day. The rate of simple interest per annum is

The measures of two angles of a triangle are $35^{\circ }57^{\prime }{4}^{\prime \prime }$ and $39^{\circ }{2}^{\prime }56^{\prime \prime }$. The circular value (in radians) of the third angle is

If the length of the shadow of a post on the ground is $\sqrt{3}$ times its height, then the angle of elevation of the Sun is