Description

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Context:

A 10-year-old schoolboy, Alberto Davila Aragon from Bristol, UK, set a Guinness World Record for placing 280 decimal places of Pi in one minute.

What is Pi?

Pi (π) is a mathematical constant representing the ratio of a circle's circumference to its diameter.

Its value is around 3.14159, but it is an irrational number, meaning it has infinite decimal places without any repeating pattern.

It has been calculated to over 100 trillion digits using supercomputers! While most practical applications use only a few decimal places, calculating Pi to extreme precision helps test the limits of computational power.

Beyond geometry, Pi appears in trigonometry, calculus, physics, engineering, and statistics. Scientists use Pi in wave motion equations, probability theory, and even complex numbers. Engineers depend on Pi when developing roller coasters, satellites, and electronic circuits.

Pi is universal—it remains constant no matter the size of the circle. That’s why it continues to intrigue mathematicians, engineers, and scientists across disciplines.

Pi Day on March 14

In 2009, the U.S. The House of Representatives officially recognized March 14 as National Pi Day to promote interest in mathematics.

It is celebrated on March 14 (3/14) because the date indicates the first three digits of Pi: 3.14.

Source:

TIMESOFINDIA

PRACTICE QUESTION

Q. In the question given below, there are two statements marked as Assertion (A) and Reason (R). Mark your answer as per the codes provided:

Assertion (A): The cerebellum is responsible for maintaining posture and balance.

Reason (R): The cerebellum coordinates voluntary muscle movements but does not receive sensory input from the body.

Which of the options given below is correct?

A) Both A and R are true, and R is the correct explanation for A.

B) Both A and R are true, but R is not the correct explanation for A.

C) A is true, but R is false.

D) A is false, but R is true.

Answer: C

Explanation:
The cerebellum plays a key role in maintaining posture, balance, and coordination of voluntary movements. It receives sensory input from the inner ear (vestibular system), muscles, and joints. The reason is incorrect because the cerebellum receives sensory information.

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