Correct Answer: Parameswaran Iyer

Solution : The correct answer is Parameswaran Iyer.

Parameswaran Iyer has assumed the role of Chief Executive Officer at Niti Aayog following the retirement of Amitabh Kant on June 30, 2022. He also served as a senior specialist in rural water sanitation at the United Nations.

Correct Answer: speed of rotation

Solution : The correct answer is  tachometer

A tachometer is an instrument designed to measure the rotation speed of a shaft or disk. Tachometers generally measure rotations per minute (RPM) though some models also serve as rate meters and/or totalizers.

tachometer, device for indicating the

Correct Answer:

Solution : According to the given figure series, each figure is inverted upside down to create the next figure. 
The following figure will complete the given pattern – 

Hence, the third option is correct.

Correct Answer: INR 70

Solution : Given: On selling 38 balls at INR 2,240, there is a loss equal to the cost price of 6 balls.
Loss = Cost price – Selling price
According to the question,
Cost Price of 6 = Cost Price of 38 – Selling Price of

Correct Answer: 268

Solution : Given:
2 * 3 * 5 = 523
6 * 4 * 1 = 164
8 * 2 * 4 = 482

Here, the numbers given in the equation are shuffled in a particular order, i.e., the third number replaces the first number, the first

Correct Answer: 6

Solution : Given:
+ means ÷, – means +, × means –, and ÷ means ×
[{(38 × 23) – (4 ÷ 3)} + (6 – 3)] ÷ 2

Interchanging the sign as per the instruction and solving the equation, we will get–
= [{(38 – 23)

Correct Answer: 26.9%

Solution : As per the given graph,
The number of sales of wristwatches in 2005 = 28.3 lakhs
The number of sales of table clock in 2005 = 22.3 lakhs
The percentage change in sales = $\frac{28.3-22.3}{22.3}$×100 = $\frac{6}{22.3}$×100 = 26.9%
Hence, the correct answer is 26.9%.

Correct Answer: Vitamin K

Solution : The correct option is Vitamin K.

The body stores Vitamin K in the liver and other body tissues, including the brain, heart, pancreas, and bone. The body needs Vitamin K to make certain proteins in the liver that are used to clot blood. The

Correct Answer: Jacobus Henricus van 't Hoff

Solution : The correct answer is Jacobus Henricus van 't Hoff.

Jacobus Henricus van 't Hoff's work in chemical dynamics was groundbreaking because it contributed to the development of the idea of chemical kinetics, which examines the rates of chemical reactions. He devised

Correct Answer: 5

Solution : The continuous increase can be seen in:
T in the years 2015, 2016, and 2017 as well as in the years 2019, 2020, and 2021.
A in the years 2018, 2019, and 2020.
M in the year 2019, 2019, and 2020.
K in the year