allery13, 17, 19 आनी 21 हातूंतल्या खंयच्या घटकाक 1 आनी स्वता सोडून घटक आसा?
A17
B13
C21
D19
Answer & Solution
Correct answer: C. 21
21 हें 3 x 7 इतलें आसता, देखून तें दोन ल्हान सैमीक संख्यांचें उत्पादन आसता, जाल्यार हेरांक अशी विभाजन ना.
Keep practising Number System
Browse all Number System questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Number Values and CountsRRB NTPC · Integer Divisibility RulesRRB NTPC · Classifying Basic NumbersWhich of the following is a composite number?When a number is divided by 8, the quotient is 12 and remainder is 5. What is the number?How many prime numbers are there between 1 and 20?What is the place value of 5 in the number 25,489?Which of the following numbers is divisible by 9?