Select the missing number from the given responses.

$24$	$25$	$50$
$24$	$20$	$10$
$4$	$9$	$3$
$12$	$5$	$?$

Select the missing number from the given responses.

Some equations are solved on the basis of a certain system. On that basis, find out the correct answer for the unsolved equation.

If $526=9$ and $834=9$, then $716=?$

Some equations are solved on the basis of a certain system. On that basis, find out the correct answer for the unsolved equation.

$3\times 9 \times 7=379, 5\times 4\times 8=584, 1\times 2\times 3=?$

If '$+$' means 'minus', '$-$' means 'multiply', '$÷$' means 'plus' and '$\times$' means 'divide', then-

$10\times 5÷3-2+3=?$

One morning Meena started walking towards the Sun. After walking a while she turned towards her left and again towards her left. After walking a while, she turned left. In which direction is she facing now?

Select the correct combination of mathematical signs to replace '*' signs and to balance the given equation

$24 * 34 * 2 * 5 * 12$

Which of the conclusions can be drawn from the given statements?

Statements : All the students in my class are intelligent. Kaushik is not intelligent.