Correct Answer: $0$

Solution : $\cos \left(-\frac{7 \pi}{2}\right)=\cos \left(\frac{7 \pi}{2}\right)=\cos \left(4\pi-\frac{ \pi}{2}\right)=\cos \left(\frac{ \pi}{2}\right)=0$
Hence, the correct answer is $0$.

Correct Answer: 2009

Solution : The correct option is 2009.

The Government of India added the prefix 'MG' to the National Rural Employment Guarantee Act in 2009. This change reflected the expansion of the program, now known as the Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA), emphasizing its commitment

Correct Answer:

Solution : Both biology and zoology are branches of study in science so both of them will come inside the circle of science. But zoology is a specific branch that is related to the study of animals and hence comes under biology.
So, the circle of zoology will

Correct Answer: Fire

Solution : Let's check each option –

First option: Fire; It is a chemical reaction that converts fuel and oxygen into carbon dioxide and water.
Second option: Roasting; It is a method of cooking.
Third option: Steaming; It is a method of cooking.
Fourth option: Grilling; It

Correct Answer: 1 : 2

Solution :
The price of the first type of rice = INR 55
The price of the second type of rice = INR 70
The average cost of the mixture = INR 65

Rule of alligation:
First type: Second type = (cost of 2nd rice

Correct Answer: 19

Solution : Total amount = Rs. 17,622.5
Sum = Rs. 9,500
Rate = 4.5%
Let $n$ be the time.
Simple Interest = Total amount – Sum = 17622.5 – 9500 = Rs. 8,122.5
We know, Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$
$⇒ 8122.5 = \frac{9500×n×4.5}{100}$

Correct Answer: Kuchipudi

Solution : The correct answer is Kuchipudi

Kuchipudi, a classical dance form, hails from the village of Kuchipudi in Andhra Pradesh, India. Rooted in the ancient Hindu text Natya Shastra, it combines dance and drama. Associated with religious contexts, temples and travelling bards, Kuchipudi, like other Indian

Correct Answer: infrared

Solution : The correct option is infrared.

In the remote control of a television, infrared (IR) waves are commonly used. Infrared communication is a wireless communication technology that transmits data using infrared radiation. Infrared is a form of light that is not visible to the human

Correct Answer:

Solution : As 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 third option figure.

Correct Answer: Two

Solution : The correct option is Two.

The success of the Green Revolution in India can be broadly divided into two main phases:

First phase (mid-1960s to early 1970s):  It was characterized by high-yielding varieties (HYVs) of seeds, particularly for wheat and rice. This phase