GK Expert Team Solutions for Exercise 1: OBJECTIVE TYPE QUESTIONS

The length of the rectangle is twice its width. If the length of its diagonal is $9\sqrt{5}$ meters, the perimeter of the rectangle is:

The perimeter of an isosceles triangle is equal to $14 \mathrm{cm}$, the lateral side is to base in the ratio $5 : 4$. The area of the triangle is:

A plot of ground is in the form of an isosceles triangle. If it cost $₹100000$ at the rate of $₹250$ per square meter, and if each of the equal sides measures $40$ meters, find the length of the base.

Find the area of a trapezium whose parallel sides are $11$ meters and $25$ meters long and the non-parallel sides are $15$ meters and $13$ meters long, respectively.

Two square rooms, one a meter longer each way than the other, are of equal height, and cost respectively $Rs.33600$ and $Rs.35280$ to paper the walls at $Rs.70$ per sq m. Find the height.

An open cistern, $3$$m$ long by $2\frac{1}{2}$ $m$ wide by $1.2$ $m$ deep is lined inside with lead, $35$ $kg$ of which covers a square meter. Find the cost at $Rs$$.32$ per $kg.$

The radius of a wheel is $42 cm$. How many revolutions will it make in going $26.4 km$ ?

The driving wheel of a locomotive engine $2.1 m$ in radius makes $75$ revolutions in one minute. Find the speed of the train in km per hour.