Advertisements
Advertisements
प्रश्न
Which of the following statement is true?
If two numbers are co-prime, at least one of them must be a prime number.
पर्याय
True
False
Advertisements
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
Without performing actual computations, find the quotient when 94 − 49 is divided by
(i) 9
(ii) 5
Which of the following statement is true?
If a number is divisible by both 9 and 10, it must be divisible by 90.
Do you remember magic triangles? Come now, let s make some magic squares.
- Fill this square using all the numbers from 21 to 29.
Rule: The total of each side is 75.
Use the same rule to fill the hexagons below.
Now you also make your own magic hexagons.
Are they equal?
If A3 + 8B = 150, then the value of A + B is ______.
If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is ______.
A four-digit number abcd is divisible by 4 if ab is divisible by 4.
756x is a multiple of 11, find the value of x.
