What day was October 19, 2000?

Direction: Read the following information and answer the questions given below it:
Six students A, B, C, D, E and F are sitting in the field. A and B are from Nehru House while the rest belong to Gandhi House. D and F are tall while the others are short. A, C and D are wearing glasses while the others are not.

Which tall student of Gandhi House is not wearing glasses?

Which of the following numbers will replace the question mark (?) in the given series?

58, 179, ?, 492, 688

The position of the first and the sixth digit in the number ‘9865474362’ are interchanged, similarly the positions of the second and the seventh digits are interchanged and so on. Which of the following will be the FOURTH digit from the left end after the rearrangement? 

Select the related word/letters/number from the given alternatives.

12 : 72 : : 13 : ?

In the following question find out the missing number?

The question below is based on the given diagram. The diagram shows three figures each representing scientists, Government employees and employees of Company X.

Which of the following represents all such Scientists who are Government employees but are not employed in Company X?

Direction: In the following, select the related word from the given alternatives.
Heat : Convection :: Space : ?