Question

OTS (Higher Order Thinking Skills)
1. In each circle of the given figure, use one integer out of
-3, -4, -6, 14, 21 and 28 so that the product in each
line is 1260.
-15
2. Complete the magic square so that the product of the
numbers in any row, column or diagonal is - 1728.
36 2 24
•8 -12 18
6724
portant Results
1. If the two integers are of unlike signs, their product is negative.
2. If the two integers are of like signs, their product is positive.
3. The collection of integers is closed under multiplication.
4. The collection of integers is commutative under multiplication.
intive under multinlication​

Answer 1

Given : Given few number & their multiplications

To find : Missing integer

Solution:

-3  * 28  * (-15)  = 1260

-4 * 21 * (-15)  =  1260

-6 * (14) * (-15) = 1260

-15 is the integer

                                1728

36   *  2    *  24     =  1728

*         *          *

8   *    12       18  =   1728

*          *         *

6    *    72      4   =  1728

=          =         =        

1728   1728   1728   1728

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