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प्रश्न
Which of the following statement is true?
If two numbers are co-prime, at least one of them must be a prime number.
विकल्प
True
False
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उत्तर
False
Example: 4 and 9 are co-prime numbers but both are composite numbers too.
संबंधित प्रश्न
Without performing actual addition and division write the quotient when the sum of 69 and 96 is divided by
(i) 11
(ii) 15
Given an example of a number which is divisible by 4 but not by 8.
Given an example of a number which is divisible by both 4 and 8 but not by 32.
Which of the following statement is true?
If a number divides three numbers exactly, it must divide their sum exactly.
Are they equal?
Fill in the blank space in the same way.
If A3 + 8B = 150, then the value of A + B is ______.
If A × 3 = 1A, then A = ______.
If 123123A4 is divisible by 11, find the value of A.
If 56 × 32y is divisible by 18, find the least value of y.
