नीचे दिए वाक्यों में

Three of the following four numbers are alike in a certain way and one is different. Pick the number that is different from the rest .

Select the option that is related to the third term in the same way as the second term is related to the first term.

17 : 361 : : 21 :______

Select the option in which the numbers are related in the same way as are the numbers of the following set.

(18, 6, 36)

If digits of each number are added and sum is multiplied by 4, and the resultants are arranged in descending order, which number will be at last position?

Select the option that is related to the third number in the same way as the second number is related to the first number.

25:16::41:?

Consider the following number sequence:

8 5 6 7 3 6 5 1 3 5 3 1 5 6 7