Find the greatest value of (a + b) such that an 8-digit

Study the following arrangements carefully and answer the questions.

% I 7 X 6 # 5 H O ^ J & 9 $ 1 N @ 6 L X ? 5 L * 8 ! 2 > 1 E

Consider the following number sequence:

4 3 4 5 7 3 9 3 5 7 5 4 7 8 9

Select the incorrect term in the alpha-numeric series:

X, Z, B, D, F, G

How many 4 are there in the following list in which followed by 8 and preceded 3, 4 or 5?

2 3 3 4 8 5 5 6  6 6 4 4 8 9 8 8 8 9 9 9 6 6 5 4 8 7 7 7 7

B S * 4 M @ K %9 + A L $ R 3 U 5 H & # Z V 2 Ω W 7 Q X 6

Select the combination of letters that when placed sequentially in the blanks of the given series will complete the series.

Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.

A ______________ is an element of hardware for centralizing network traffic coming from multiple hosts and to propagate the signal.

E 7 8 D $ % J 9 4 L M & F 9 @ H F X 9 8