Ans 1:
Class : Class 8
OPTION D.FIRST WE HAVE TO DIVIDE THE FIRST AND LAST NUMBERS IN ONE COLUMN ,IF WE TAKE THE FIRST COLUMN THE FIRST NUMBER IS 28 AND THIRD NUMBER IS 14. 28 DIVIDED BY 14 IS EQUAL TO 2. THIS 2 IS OBTAINED BY DIVIDING THE MIDDLE NUMBER 10 WITH 5. IN THE SECOND COLUMN THE FIRST NUMBER IS 68 AND THIRD NUMBER IS 17. 17 DIVIDED BY 68 IS EQUAL TO 4. THIS 4 IS OBTAINED BY DIVIDING THE MIDDLE NUMBER 20 WITH 5. SIMILARLY IN THE THIRD COLUMN THE FIRST NUMBER IS 45 AND THE THIRD NUMBER IS 9. 9 DIVIDED BY 45 IS EQUAL TO 5. SO WHEN WE DIVIDE THE MIDDLE NUMBER WITH 5 AND MULTIPLY IT WITH THE THIRD NUMBER WE GET THE FIRST NUMBER. HERE WE HAVE TO FIND THE MIDDLE NUMBER, SO WE HAVE TO MULTIPLY THE ANSWER WE GOT WHEN WE DIVIDED THE FIRST AND THIRD NUMBERS THAT IS 5 WITH 5,THAT IS 25. SO THE MIDDLE NUMBER IS 25 . IF WE WANT TO CHECK THE ANSWER WE CAN DIVIDE THE MIDDLE NUMBER 25 WITH 5 WHICH GIVES US THE ANSWER 5. WHEN WE MULTIPLY 5 WITH THE THIRD NUMBER 9 WE GET THE ANSWER 45 WHICH IS THE FIRST NUMBER. HENCE OUR ANSWER IS PROVED.SO WE CAN SAY THAT OPTION D IS THE ANSWER.
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Ans 4:
Class : Class 8
I am confused what is the answer because some are saying a , some are saying b ,some are saying c and some are saying d .
Ans 8:
Class : Class 8
statement 1- The definition of perfect number on google is the same as the definition of perfect number provided by the question as for statement 2 eg 6 and 4 is divisible by 2 so 6 4= 10 div by 2 and 6-4= 2 also div by 2. so people who say answer is b c or d are complete idiots
Ans 11:
Class : Class 7
The ans is a becauseStatement 1: if we take the number 6 its factors except 6 are 1,2,3 there sum is 6 so it is a perfect numberStatement 2: If we take 9 and 27 they are divisible by 3 so their sum which is 36 is also divisible by 3 and there diffrence is 18 which is divisible by 3.
Ans 15:
Class : Class 7
statement 1- The definition of perfect number on google is the same as the definition of perfect number provided by the question as for statement 2 eg 6 and 4 is divisible by 2 so 6 4= 10 div by 2 and 6-4= 2 also div by 2. so people who say answer is b c or d are complete idiots
Ans 16:
Class : Class 6
The answer is A!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Kindly adhere!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ans 20:
Class : Class 8
according to me , its B as if two numbers are divisible by a number , their sum and difference is not divisible by the same number . For example : 2
Ans 21:
Class : Class 8
The answer can only be C. For the first statement, If you take an example as 6, it will be 1 2 3=6 which means statement 1 is false as it is written that it should be double. Statement 2 is true. For example, take 25 and 20 and the number as 5. 25 20=45(Divisible by 5) and 25-20=5(Divisible by 5)
Ans 23:
Class : Class 6
its b because say if you take 6,and you say 2 and 3 are divisible by it. then they are saying that their sum and diff is also divisible but 2 3 is 5 which is not divisible by 6
Ans 26:
Class : Class 6
it should be A because if we take 39 and 26 as multiples and 13 as factor then 39-26=13. which is divisible by 13
Ans 28:
Class : Class 6
some are saying a, some are saying b, some are saying c and some are saying d. what is the correct answer??????
Ans 33:
Class : Class 8
a because lets take 6, its factors are 1,2,3,6. When we add these numbers we get 12 which is twice 6
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