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

(16.05)² + (8.96)² - 7.03 × 3.98 =? + 197.99

$$ {4\over 7}×{2{4\over 5}} ÷{2\over 5}=?$$

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)

? × 350.01 ÷ 3.992² = 983 ÷ 14.001

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

$${\sqrt{4×?}}={160\over 10}$$

Evaluate the following:
5 - [96 ÷ 4 of 3 - (16 - 55 ÷ 5)]

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)

? ÷ 2.997 + 799.98 × 8.9 = 9199.978