Questions

They both are used to replace characters in a string

A food chain is the only chain we can eat.

The man want to buy a shirt went to a shop. He was counting the pins as he removed them from a new shirt. unfortunately, he missed one and wore.

The Qutub Minar in New Delhi was lit up in blue as part of World Autism Day on 2 April.

The distance between two genes is measured with a unit called map unit. One map unit is equivalent to 1% recombination frequency.

Kepler's laws of planetary motion are three scientific laws describing the motion of planets around the Sun.

• Kepler’s three laws of planetary motion can be stated as follows:

(1) All planets move about the Sun in elliptical orbits, having the Sun as one of the foci.

(2) A radius vector joining any planet to the Sun sweeps out equal areas in equal lengths of time.

(3) The squares of the sidereal periods (of revolution) of the planets are directly proportional to the cubes of their mean distances from the Sun.

The alphabetical value of the letters in the left hand column follows through the sequence of Prime Numbers, with the letters in the right hand column representing the corresponding reverse alphabetical values. So,

M = Reverse of M = N.

Arya Samaj was an Indian religious movement  based   on   Vedas  and was     founded     by     Dayananda Saraswati on April 7, 1875 and was based in Punjab and western Uttar Pradesh     states     like,     Aligarh, Varanasi, etc.  It  was  against  caste system  and  supported  equality  of men   and   women,moreover   it mainly    comprised    the    trading castes;    while    Brahmo    Samaj, founded  by  Raja  Rammohan  Roy, was limited because it was popular only   among   elite   and   educated society.