Direction : What value should come in the place of question mark (?) in the following questions?

$$ \sqrt{576}+\sqrt{841} =(?) $$

Directions : In these questions , a part of the sentence is given in bold . Below are given alternatives to the bold part at (A) , (B) and (C) which may improve the sentence . Choose the correct alternative . In case no improvement is needed you answer is (D ) .

He was so afraid that his knees knocked one another.

Direction : What value should come in the place of question mark (?) in the following questions?

$${210\over14}×{17\over15}×?=4096  $$

Direction : What value should come in the place of question mark (?) in the following questions?

23 × 45 ÷ 15=?

Direction : What value should come in the place of question mark (?) in the following questions?

3.6 + 36.6 +3.66+0.36+3.0=?

Direction: In the question a sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expressed the same sentence in Passive/Active Voice and mark your answer in the Answer Sheet.

Before festivals the shops are thronged with men. women and children making various purchases. 

In the question a sentence has been given in Direct/Indirect. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct and mark your answer in the Answer Sheet.

From one of the windows of my flat I can see the Qutub Minar’, said my friend.

A starts some business with ₹ 50,000. After 3 months B joins him with ₹ 70,000. At the end of the year, in what ratio should they share the profit?