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प्रश्न
Which of the following statement is true?
If a number exactly divides the sum of two numbers, it must exactly divide the numbers separately.
पर्याय
True
False
उत्तर
False
Example: 5 divides 10, which is a sum of 3 and 7. However, it neither divides 3 nor 7.
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संबंधित प्रश्न
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?
A number is divisible by 18, if it is divisible by both 3 and 6.
Do you remember magic triangles? Come now, let s make some magic squares.
- Fill this square using all the numbers from 46 to 54.
Rule: The total of each line is 150.
Look at the patterns of numbers in hexagons.
Each side has 2 circles and 1 box.
- Look at the number 65 in the box. Which are the circles next to it?
- Can you see how the rule works?
Are they equal?
Now you try and change these numbers into special numbers —
273
If 5A × A = 399, then the value of A is ______.
If a number a is divisible by b, then it must be divisible by each factor of b.
Fill in the blank space in the same way.
