Explanation

If4^a=8^b, find the ratio $frac{a}{b}$

Write both sides with base 2:

$$4^a = (2^2)^a = 2^{2a} \ 8^b = (2^3)^b = 2^{3b} Rightarrow 2^{2a} = 2^{3b} Rightarrow 2a = 3b Rightarrow frac{a}{b} = frac{3}{2}$$

⇒2^2a=2^3b⇒2a=3b⇒a​/b=3/2​

Explanation

"Information about people" is the correct prepositional phrase.

We use "about" to indicate the subject of the information.

Explanation

 A car radiator is a key component of the engine's cooling system, specifically designed to cool down the engine by transferring heat to the surrounding air. T

Explanation

Amount saved = 24

Percentage saved = 37.5% = 0.375

Weekly salary = Amount saved / Percentage saved

= 24 / 0.375

= 64

Explanation

 To copy the contents of a cell using drag and drop, you need to hold down the Ctrl key while dragging the cell

Explanation

We are given the equation:

$$7\times ?=4400$$

To find the missing number, divide both sides by 7:

?=4400/7​

Now calculate:

4400/7​=628.5714…

This is not an integer, so none of the options (A) 7, (B) 70, or (C) 4900 are correct.

 Correct answer: (D) None of these

Explanation

Horses have a unique anatomy and a stay apparatus

That allows them to sleep standing up, but they lack the anatomical structure (a proper “down apparatus”) to sit like dogs or cats. 

Explanation

105 men complete the work in 45 days

Total work = 105 men * 45 days = 4725 man-days

Now, 90 men will complete the work:

4725 man-days / 90 men = 52.5 days

Explanation

  Passive voice is used here.

The correct past participle form is "spoken."

Explanation

Let's calculate the percentage of girls:

Given ratio: Boys:Girls = 5:3

Total parts = 5 + 3 = 8

Percentage of girls = (3/8) * 100

= 37.5%