1 2 8 21 88 445

What is the missing element in the Sequence represented by the question mark (?) Z1 A, X2D, V6G, T 21 J, R 88 M, P 445 P, ?

If 1 = 2 , 3 = 6 , 4 = 8 , and + = - , what would be the value of 41+ 34 + 13= ? (A) -88 (B) 88 (C) 12 (D) -12

1 2 6 21 ? 445 2676

1" "2" "6" "21" "?" "445" "2676

1, 4, 2, 8, 6, 24, 22, 88, ….

8 + 88 + 888 + 8888+ 88888

Choose the correct alternative so that a series can be established . 1, 4, 2, 8, 6, 24, 22, 88, (….)

What should come in place of the question mark in each of the following number series? 1,2,6,21,88,445,?