Correct Answer: Descend

Solution : Given:
Close : Open :: Ascend : ?

Close is the antonym of open.
Similarly, ascend is the antonym of descend.

Hence, the third option is correct.

Correct Answer: 1

Solution : The first option is the correct choice.

Hardly should be followed by when as they form the correct correlative conjunctions. So, "before" should be replaced with "when".

Therefore, the correct sentence is: "Hardly had I finished cooking dinner when Rajesh arrived."

Correct Answer:

Solution : Since there is a restriction on the rotation of the figure, we will check where the question figure can exactly fit itself in the given option figures.
By comparison of all the option figures, the given question figure is embedded only in the fourth option figure.

Correct Answer: $9:8:10$

Solution : Given: $\frac{2}{3}$ of A = 75% of B = 0.6 of C
Here, $\frac{2}{3}$ of A = 75% of B
⇒ $\frac{2A}{3}=\frac{75B}{100}$
⇒ $\frac{A}{B}=\frac{9}{8}$
Let A and B be 9 and 8 respectively.
Now, 75% of B = 0.6 of C
⇒ $\frac{75B}{100}=\frac{6C}{10}$
⇒ $\frac{B}{C}

Correct Answer: Believed, but

Solution : The correct answer is the first option: believed, but

In the past, there was a perception that being overweight was considered good for one's health. However, in contemporary times, very few individuals adhere to this belief. The conjunction "but" is used to

Correct Answer: 1

Solution :
PQ = 3 cm, QR = 4 cm
OB = OA = OC = r
Since tangents drawn from a point to the circle are equal,
AQ = QB = $r$
⇒ PA = PC = $3-r$
⇒ RC = RB = $4-r$
By Pythagoras

Correct Answer: (1)

Solution : The correct choice is the first option.

Explanation:

An idiomatic expression means to run away quickly or escape. It's a well-established phrase in English to describe someone fleeing from a pursuer or threat.

Therefore, the correct sentence is: When the thief saw the police

Correct Answer: Down syndrome

Solution : The correct option is Down syndrome.

Down syndrome is a genetic disease caused by an extra copy of chromosome 21, which results in developmental, and cognitive impairments, unusual physical traits, and an elevated risk for certain health problems.

Correct Answer: Smelling

Solution : The correct option is Smelling.

The vomeronasal organs, also known as Jacobson's organs, are connected to the sense of smell but also detect chemical messages called pheromones. They detect pheromones, which are chemical signals generated by members of the same species to communicate information

Correct Answer: 1

Solution : The error lies in the first part of the sentence.

When two actions happen one after the other in future and the second action is dependent on the first action, the first action should be in the simple present tense followed by the second action