In the pattern 3 → 10, 5 → 16, 7 → 22, what number does 10 give?
A31CORRECT
B32
C30
D28
Common EntranceQuantitative ReasoningNumber Relationships
AI
Toaster Teacher
Why the answer is A, and why the others tempt you.
The rule is multiply by 3 and add 1: 10 x 3 + 1 = 31.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Quantitative Reasoning questions
Common Entrance Quantitative Reasoning has thousands more questions like this — with Worked answers on every one.