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Which of the following is not prime?
A prime number is greater than 30 but less than 60. What is the greatest possible number?
Prime numbers between 30 and 60 are 31, 37, 41, 43,47, 53, 59
N is a 5 digit number divisible by 5. If N is bigger than 10000 and smaller than 10010. The value of N is
The multiple of 8 is
X is the least composite number between 85 and 100. What is the value of X?
Identify the each prime number
How many prime numbers are there between 100 and 200?
100 and 200 = 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199
30 is expressed in terms of prime numbers. Which of the expression is incorrect?
\(x^2+x+11 \) is a prime number. Which of the following is not a value of \(x \)?
The unit digit of a two digit number is 3 times the tens digit. If digits are reversed, the resulting number is 26 more than the original number. The original number is
If r and s are both odd integers, which of the following must be an even integer?
If n is an even integer which of the following must be an odd integer?
If a = 4b + 26 and b is a positive integer. Which of the following does not divide a?
a = 4b + 26
Let b = 1
a = 4 + 26 = 30 which is divisible by 2, 5, 6 but not by 4
In which of the following numbers is it true that their sum is 11 times their product?
X is a prime number greater than 50 but less than 70. What is the greatest value of x?
Prime number between 50 and 70 are 53, 59, 61, 67