Megasthenes was an ambassador for Greek Empire.

Jatra is a traditional theatre form of the state West Bengal in India.

ISRO has successfully launched 104 satellites in a single flight from Sriharikota.

Helium has the lowest freezing point of all the elements. When coming to metals, mercury has the lowest freezing point of all the metals.

Burning the candle at both ends meaning is to overwork starting early in the morning and staying till late nights.

56/32 can be reduced as

56/32

= 28/16

= 14/8

= 7/4

= 1 3/4

= 1.75

Hence, simplified value of 56/32 =  3/4 = 1.75.

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Proof of Sum of cubes of first n even natural numbers ::

Hence, in other words, the sum of the first n cubes is the square of the sum of the first n natural numbers.