Correct Answer: B and AB

Solution : The correct option is - B and AB

A person with blood groups B and AB can receive red blood cells from group B. Red blood cells from Group A can be given to A and AB. Group O is the universal donor, able to provide red blood cells to anyone and group AB is the universal recipient.

Correct Answer: sudden rush of understanding

Solution : The first option is correct.

The corrected phrase is, with a sudden rush of understanding.

This phrase suggests that Harry had a sudden and intense moment of clarity or realisation about the identity of the people in the end beds. It signifies that comprehension dawned on him abruptly and completely, allowing him to understand or figure out who those individuals were.

Therefore, the corrected sentence would be, "With a sudden rush of understanding, Harry realised who the people in the end beds must be".

Correct Answer: 198

Solution : Given:
3, 6, 18, 21, 63, 66, ?

In the above-given series, add and multiply 3 alternatively to the previous term to get the next term –
3 + 3 = 6; 6 × 3 = 18; 18 + 3 = 21; 21 × 3 = 63; 63 + 3 = 66; 66 × 3 = 198

So, 198 is the missing term of the series. Hence, the fourth option is correct.

Correct Answer:

Solution : According to the question figure –
1. All the alphabets are shifted corner by corner in an anticlockwise direction.
2. All the numbers are shifted in one position in a clockwise direction.
So, following the above pattern, the required figure will be as follows –

Therefore, the figure in the second option is the required figure. Hence, the second option is correct.

Correct Answer: 50% gain

Solution : The cost price of 27 articles is the same as the selling price of 18 articles.
Let the cost price of 1 article be Rs. 1
The cost price of 18 articles = Rs. 18
The selling price of 18 articles = the cost price of 27 articles = Rs. 27 
Profit on selling 18 articles = 27 – 18 = Rs. 9
Gain % = $\frac{9}{18}\times 100$ = 50%
Hence, the correct answer is a 50% gain.

Correct Answer: Jute

Solution : The correct option is Jute.

Jute is known as the "golden fibre" due to its golden-brown colour and economic significance. A natural fibre, it is primarily grown in the Indian subcontinent. Jute is widely used for making ropes, twine, bags, and textiles, contributing to various industries and the economy of jute-producing regions.

Correct Answer: deter

Solution : The correct choice is the fourth option.

Persuade means to convince or influence someone to do something. Deter means to discourage or prevent someone from doing something by instilling fear or doubt.

The meanings of the other words are:

• Prompt: This means to encourage someone to take action or to incite or stimulate them to do something promptly or immediately.
• Lure: This means to attract, entice, or tempt someone to do something by offering something appealing or desirable.
• Coax: This means to persuade someone gently or gradually by using flattery, gentle pressure, or persuasion to get them to do something.

Therefore, the right answer is deter.

Correct Answer: 1

Solution : The sentence can be improved using the first option.

The phrase at heart means a person's real nature in contrast to how one may appear. This fits correctly in the sentence and conveys the intended meaning that the speaker loves him because, no matter how he appears, he is a good man inside.

The meanings of the other options are as follows:

• By heart means to memorise word for word and does not fit according to the context of the sentence.
• Of heart means related to heart and is not the appropriate choice for the sentence.

Therefore, the correct sentence is, "I love him because he is a good man at heart".

Correct Answer: AGMARK

Solution : The correct answer is AGMARK.

AGMARK stands for Agricultural Marketing and is a testament provided by the Indian Government about the standards of agricultural commodities. The purpose of this initiative was to ensure the quality and standards of agricultural products to the consumers. It is done under the Food Safety and Standards Act of 2006.

Correct Answer: Kalbelia

Solution : The correct answer is Kalbelia

The Kalbelia dance is an Indian traditional dance from the state of Rajasthan. Other well-known titles for it include "Sapera Dance" and "Snake Charmer Dance." The 'Kalbelia' tribe of Rajasthani people is the one that specifically dances.