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)

468.02 + 79.91 ÷ 5.01 = ?²

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

 If $${1\over 4.263}=0.2346$$, find the value of $${1\over0.0004263}.$$

If $$ A = {1\over 2}+{1\over 3}×{1\over 4}÷{1\over 5}-{1\over 6}$$ and $$B={1\over 2}÷{1\over 3}×{1\over 4}+{1\over 5} $$ , then what is the value of A - B?

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

If $${8+2\sqrt{3} \over 3\sqrt{3}+5}=a\sqrt{3}-b$$, then the value of a+b is equal to:

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

The value of (x + y + z)³ – (y + z – x)³ – (z + x – y)³ – (x + y – z)³ is: