IPv4 and IPv6 are addresses used to identify computers on the internet. Find the correct statement out of the following :

Select the letter that will replace the question mark (?) in the given letter series.

a, d, h, n, ?

Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?

Three statements are given, followed by three conclusions numbered I, II and III.

Select the number from the given options that can replace the question mark (?) in the following series.

83, 95, 88, ?, 93, 105, 98

By interchanging the given two signs which of the following equation(s) will be correct?

+ and x;

I. 16 x 9 + 2 ÷ 3 – 5 = 17

Which two numbers should be interchanged to make the given equation correct?

700 + 42 ÷ 6 × 45 – 54 × 9 + 14 = 355