What is the average of 5 consecutive odd numbers starting from 13?

Challenger App

Mental Ability/

രക്തബന്ധങ്ങൾ

No.1 PSC Learning App

★

★

★

★

★

1M+ Downloads

What is the average of 5 consecutive odd numbers starting from 13?

A17

B18

C20

D23

Answer:

A. 17

Read Explanation:

The 5 consecutive odd numbers starting from 13 are:

13, 15, 17, 19, 21

Their average is:

$\frac{13 + 15 + 17 + 19 + 21}{5} = \frac{85}{5} = 17$

Shortcut: For any odd number of consecutive numbers, the average is always the middle number. Here, the middle number is 17.

$Answer: (\boxed{17})$

Read more in App

Related Questions:

In a certain code language, A ~ B means ‘A is the father of B’, A + B means ‘A is the wife of B’, A = B means ‘A is the brother of B’, A - B means ‘A is the mother of B’. Based on the above, how is C related to F if ‘C ~ H = I - E + F’?

മലാലയ്ക്ക് സഹോദരിമാരേക്കാൾ ഇരട്ടി സഹോദരന്മാരുണ്ട്. മലാലയുടെ സഹോദരൻ മജീദിന്റെ സഹോദരിമാരുടെ എണ്ണം അവനുള്ള സഹോദരങ്ങളുടെ എണ്ണത്തേക്കാൾ ഒന്ന് കുറവാണ്. എങ്കിൽ മലാലയുടെ സഹോദരിമാരുടെ എണ്ണം:

Pointing to a photograph, a man says, "She is the daughter of the only son of my father's wife". Who is the woman to the man?

B is the sister of A. A is the brother of C. C is the daughter of D. How is B related to D?

P is the mother of Q. Q is the sister of R. How is P related to R?