Find the largest \( 8 \)-digit number which is divisible by \( 2, 3 \) and \( 4 \).

A clock strikes at regular intervals. It strikes the number of hours on the hour, twice for every half hour and once for each of the remaining 10-munites.
Find how many times the clock strikes in a 24-hour period.

Find the highest common factor of  \(6\), \(9\)  and  \(18\).

Find the lowest common multiple of 12 and 16.

Find those fractions which are equivalent to the fractions \( \displaystyle \frac{3}{5} \).

Rearrange the fractions in ascending order (smallest to largest) by dragging the fractions below.

Find \( a, b \) and \( c \) if \( \displaystyle \sqrt{13 \frac{4}{9}} = a \frac{b}{c} \).

Round off 327 to the nearest 50.

Round off 6329 to the nearest 20.

Find \(\dfrac{{{{2.5}^3} – {{1.6}^4}}}{7}\),  correct to two decimal places.