Who were the scientists responsible for independently rediscovering Mendel's laws of inheritance in 1900?

Select the missing number from the given alternatives:

Select the one which is different from the other three responses.

Choose the figure which is different from the rest.

Choose the figure which is different from the rest.

Select the one which is different from the other three responses.

Number of letter skipped between adjacent letters in the series decreased by one. Find out the series that is in this sequence?

Select the one which is different from the other three responses.

How many 5's are there followed by 3 but not precededby 7?

7 5 3 1 6 8 5 8 4 3 5 3 7 1 6 1 5 8 6 4 5 3 2 5

Choose the figure which is different from the rest.