The value of 4÷12 of [3÷4 of {(4-2) x 6÷2}] -2x6÷8+3 is:

The value of x for which the expressions 7x + 13 and 13x - 7 become equal is _____ .

Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

{(540.34)/(17.99)} ÷ {(29.99)/(449.89)} × {1/(89.78)} = ?

What should come in place of the question mark (?) in the following mathematical statement?
$${{?^6÷16=108}}$$

After interchanging the given two signs, what will be the value of the following expression?

× And ÷

20 + 5 ÷ 6 × 2 – 5

The value of $${1.6×1.6×1.6−1.6×1.6×1.6}\over 1.6×1.6+1.6×1.6+1.6×1.6 $$ is

$$\left(4{2\over3} + {5{1\over 6}}\right)× {45 \%} \ of \ 240=?$$

If p – 2q = 4, then the value of p³ – 8q³ – 24pq – 64 is :