GCAT Number and Letter Sequences 2

Question 1

What comes next in the sequence? 3, 6, 12, 24, 48, ___

Accepted Answer

96

Answer

Each term is doubled, so 48 × 2 = 96.

Question 2

Which letter comes next? D, G, J, M, ___

Accepted Answer

P

Answer

Each letter advances by 3 positions in the alphabet, so M + 3 = P.

Question 3

What is the missing number? 100, 91, 82, 73, ___, 55

Accepted Answer

64

Answer

The sequence decreases by 9 each time, so 73 − 9 = 64.

Question 4

Which completes the sequence? Z, X, V, T, ___

Accepted Answer

R

Answer

Each letter moves back 2 positions in the alphabet, so T − 2 = R.

Question 5

What is the next number? 1, 4, 9, 16, 25, ___

Accepted Answer

36

Answer

These are perfect squares (1², 2², 3², 4², 5²), so the next is 6² = 36.

GCAT - General Cognitive Ability Test Practice Test