Explanation

Given the proportion:

40 : 60 = 50 : a

Let's solve for 'a' using the proportion:

40/60 = 50/a

40a = 50 × 60

40a = 3000

a = 3000 / 40

a = 75

Explanation

"In" shows the relationship between the action and the location — it tells where the noise is made.

A preposition connects nouns or pronouns to other words in a sentence, often indicating place, time, or direction.

Explanation

As we move down the alkali metal group, atomic size increases, making the outer electron easier to lose.

This leads to greater reactivity, especially for metals like potassium and cesium.

Explanation

The ozone layer absorbs and blocks the majority of the Sun’s harmful ultraviolet (UV) radiation.

This protection helps prevent skin cancer, cataracts, and damage to ecosystems.

Explanation

We know that:

LCM × HCF = Product of the two numbers

Given:

LCM = 72

HCF = 3

First number = 18

Let's denote the second number as x.

Using the formula:

72 × 3 = 18 × x

216 = 18x

x = 216 / 18

x = 12

Explanation

"Zaira" is the subject of the sentence because:

It is the doer of the action (the one who loves).

It answers the question: "Who loves raw mangoes?"

Explanation

The <embed> tag is used in HTML to insert audio, video, or other multimedia files.

It supports embedding external resources like media players, PDFs, or Flash.

Explanation

The sentence is in passive voice and requires the past participle form of the verb.

"Feed" should be "fed" → Correct sentence: All the cows are fed by my younger brother.

Explanation

Computers use the binary number system (0 and 1) to store data and perform calculations.

This system aligns with the digital circuitry, which recognizes only two states: ON (1) and OFF (0).

Explanation

Total income = Mujahid's income + Wife's income

= 56,835 + 35,600 = 92,435

Expenditure = Rs 65,000

Savings = Income − Expenditure

= 92,435 − 65,000 = 27,435