Four pupils have an average age of 12years and two other pupils of average age of 10.5years are added. What is the average age of the six pupils?

Similar Questions

In this figure, PQRS is a parallelogram, PS = PT and < PST = 55\(^o\). The size of <PQR is...

Find the value of (0.006)3 + (0.004)3 in standard form...

Evaluate \(\frac{(81^{\frac{3}{4}}-27^{\frac{1}{3}})}{3 \times 2^3}\) ...

\(\begin{array}{c|c} class& 1 - 3 & 4 - 6 & 7 - 9\\ \hline Frequency & 5 & 8 &am...

The length L of a simple pendulum varies directly as the square of its period T. If a pendulum with ...

Find the value of X if \(cos x = \frac{5}{8}\) for \(0^o\le X\le 180^o\)...

Factorize 2y2 - 15xy + 18x2...

Find the volume of the cylinder above [Take \(\pi= ^{22}/_7\)] ...

Make R the subject of the formula if T = \(\frac {KR^2 + M}{3}\)...

A box contains 13 currency notes, all of which are either N50 or N20 notes. The total value of the c...