How many such digits are there in the number’ 322476587’  each of which is as far away from beginning of the number as when the digits are arranged in ascending order within the number?

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:?

Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.

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 number that can replace the question mark (?) in the following series. 17, 21, 30, 46, 71, ?