Explanation

"In" is defined as inside an area, moving from a point outside to a point inside.

"In the light of the lamp" is the correct phrase, meaning she was sewing within the illuminated area created by the lamp.

Explanation

Zulfikar Ali Bhutto returned to Pakistan on 18 December 1971.

On 20 December, he took over as President and Chief Martial Law Administrator from Yahya Khan.

Bhutto served as President from December 1971 to August 1973.

Bhutto served as Prime Minister from August 1973 to July 1977.

Explanation

Factors of 70: 1, 2, 5, 7, 10, 14, 35, 70

Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42

Factors of 28: 1, 2, 4, 7, 14, 28

Common factors: 1, 2, 7, 14 → Highest is 14

So, HCF = 14.

Explanation

The verb prefer is correctly followed by "to" when comparing two things.

"An apple" and "a banana" are used with correct articles based on pronunciation.

Explanation

2 is the smallest and the only even prime number.

A prime number has exactly two distinct factors: 1 and itself; 1 does not meet this condition.

Explanation

The Khilafat Conference held on 23rd November 1919 in Delhi was presided over by A. K. Fazlul Huq, a prominent figure from Bengal. 

Mahatma Gandhi was elected as President of the India Khilafat Conference (23rd November 1919).

Khilafat Committee was formed in Bombay On 20 March 1919.

An all-India Khilafat Conference was organized in Delhi on 23 November 1919.

Explanation

Gas molecules have very weak forces of attraction already, so breaking them does not require much energy.

Thus, "Less energy is required..." is NOT a unique characteristic describing their general behavior compared to solids or liquids.

Explanation

A child’s positive or negative attitude is largely shaped by their home, social, and emotional environment.

Family interactions, peer influence, and surroundings play a major role in attitude development.

Explanation

The action was either just or unjust.

This sentence correctly uses the correlative pair "either...or" for two alternatives.

It is grammatically complete and logically clear.

Explanation

Red Blood Cells (RBCs) contain hemoglobin, which binds with oxygen and transports it to body tissues.

They are the primary oxygen carriers in the circulatory system.