allery49 आणि 36 या वर्ग संख्यांमधील फरक किती आहे?
A13
B12
C11
D14
Answer & Solution
Correct answer: A. 13
n² आणि (n-1)² या लगतच्या वर्गांमधील फरक 2n - 1 असतो, जो n = 7 साठी 13 आहे.
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?