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)

1728 ÷ ? + 149.98 × 25.15 = 3156 - 269.75

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)

?³ + 115.86 – 24.93 × 1.90 = 190.97

What is the value of y in the following equation?
(1÷23) of [2{3 + 4(35 + 7)}] = y

If p = 99, then value of p(p² + 3p + 3) is

158.25 x 4.6 + 21% of 847+?= 950.935045

$$ 11^{2}-4096^{1\over 4}+100^{1\over2}=?$$

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)} = ?