The hydraulic sand stowing pipeline layout should be such that

On a planar field, you travelled 3 units East from a point O. Next you travelled 4 units South to arrive at point P. Then you travelled from P in the North-East direction such that you arrive at a point that is 6 units East of point O. Next, you travelled in the North-West direction, so that you arrive at point Q that is 8 units North of point P. The distance of point Q to point O, in the same units, should be _____

Induced blasting enhances production in

Owning cost of a machine does NOT include

The difference between depreciation and amortization allowances in tax calculation is that

Folds are the structural features resulting from

NONEL is used as down-the-hole initiator to

The vectors $\vec{a}$ and $\vec{b}$ act in a plane as shown below. The magnitude of the vector $\vec{c} = (\vec{a} + \vec{b}) \times (\vec{a} - \vec{b})$ is

A student was supposed to multiply a positive real number $p$ with another positive real number $q$. Instead, the student divided $p$ by $q$. If the percentage error in the student's answer is 80%, the value of $q$ is

If the sum of the first 20 consecutive positive odd numbers is divided by $20^2$, the result is