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13,17,19,21,23 ഇവയിൽ കൂട്ടത്തിൽപെടാത്ത സംഖ്യ ഏത്?

A23

B21

C19

D13

Answer:

B. 21

Read Explanation:

21 is not a prime number


Related Questions:

Complete the pattern: 5, 11, 23, 47, ?
Identify the number which does not satisfy: Sum of digits is a divisor of the number.
ഒറ്റപ്പെട്ടത് കണ്ടെത്തുക.
Based on some logic, 'CLONE' is written as 'BLUKU' and 'BOUND' is written as 'AOAKT'. Following the same logic , 'NICHE' can be written as :
ചേരാത്തത് ഏത്?