Correct Answer: 36

Solution : Given:
3, 6, 8, 16, 18, ?

Multiply by 2 and add 2 to the numbers of the given series alternately.
3 × 2 = 6; 6 + 2 = 8; 8 × 2 =16; 16 + 2 = 18; 18 × 2 = 36

Correct Answer: QPRS

Solution : The third option is correct.

Therefore, the correct sentence is: "It could be argued that 1919 was the year when Einstein's name became a byword for superhuman intellectual ability making possible the small industry of Einstein-themed merchandise that still exists today."

Correct Answer: Transaction cost in withdrawing money

Solution : The answer is the Transaction cost of withdrawing money.

In economics, opportunity cost is the value or benefits that entrepreneurs, small firms, organisations, investors, or individuals pass on because they would rather do or achieve something else. The following represent the

Correct Answer: Intercropping

Solution : The correct option is Intercropping.

The soil conservation method in which different crops are grown in alternate rows and are sown at various times to protect the soil from rain wash is called intercropping. This method helps reduce soil erosion and nutrient loss, as

Correct Answer: 10

Solution : Given, a boat goes 12 km along the stream and 8 km against the stream in an hour.
So, the speed of the boat along the stream, $s_1$ = 12 km/hr
And, the speed of the boat against the stream, $s_2$ = 8 km/hr
Now,

Correct Answer: weak

Solution : The correct choice is the fourth option.

The term resilient refers to the ability to recover quickly from difficulties, setbacks, or challenges. A suitable antonym for resilient is weak. Weak describes something that lacks strength, vigour, or power.

The meanings of the other

Correct Answer: Mahanadi river

Solution : The correct answer is the Mahanadi River.

The origin of the Mahanadi River is Shihawa Mountain, which is close to a village in Raipur, Chhattisgarh. The Mahanadi River system is the largest river in the state of Odisha and the third largest in

Correct Answer: 17.5%

Solution : Time taken by A alone to complete the work = 24 days
⇒ Part of work done by A alone in a day = $\frac{1}{24}$
Time taken by B alone to complete the work = 30 days
⇒ Part of work done by B alone

Correct Answer: 289

Solution : Given:
169, 196, 225, 256, ?

Each term is a square of consecutive numbers from 13 onwards.
13² = 169; 14² = 196; 15² = 225; 16² = 256; 17² = 289

So, the required missing number in the series

Correct Answer: Directory

Solution : The correct choice is the third option.

Directory: It denotes a list of names, addresses, and telephone numbers in the order of the alphabet.

The meanings of the other options are as follows:

• Diary: It denotes a book in which you write down things