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Answer:
Q14)State, true or false :
(i) If a number is divisible by 4. It is divisible by 8.
(ii) If a number is a factor of 16 and 24, it is a factor of 48.
(iii) If a number is divisible by 18, it is divisible by 3 and 6.
(iv) If a divide b and c completely, then a divides (i) a + b (ii) a – b also completely.
Solution
Transcript
Solution :
(i) False
If tens and unit digit of a number is divisible by 4 then it is divisible by 4.
If hundred’s, ten’s and unit digit is divisible by 8, then number is divisible by 8.
(ii) True, because 16 and 24 are factors of 48.
(iii) True
18 is the product of 3 and 6 so if a number is divisible by 18, it is divisible by 3 and 6.
(iv) True
If a divides b and c completely, then a divides a+b and a-b completely because , if a number is a factor of each of the two number, then it is a factor of their sum also.
Answer:
Q14)State, true or false :
(i) If a number is divisible by 4. It is divisible by 8.
(ii) If a number is a factor of 16 and 24, it is a factor of 48.
(iii) If a number is divisible by 18, it is divisible by 3 and 6.
(iv) If a divide b and c completely, then a divides (i) a + b (ii) a – b also completely.
Solution
Transcript
Solution :
(i) False
If tens and unit digit of a number is divisible by 4 then it is divisible by 4.
If hundred’s, ten’s and unit digit is divisible by 8, then number is divisible by 8.
(ii) True, because 16 and 24 are factors of 48.
(iii) True
18 is the product of 3 and 6 so if a number is divisible by 18, it is divisible by 3 and 6.
(iv) True
If a divides b and c completely, then a divides a+b and a-b completely because , if a number is a factor of each of the two number, then it is a factor of their sum also.