For a invertible matrix `A ` if ` A (adj A) =[(10,0),(0,10)]` then `|A|=`A. 100B. `-100`C. `10`D. `-10`

For a invertible matrix `A ` if ` A (adj A) =[(10,0),(0,10)]` then `|A

1.	For a invertible matrix `A ` if ` A (adj A) =[(10,0),(0,10)]` then `\|A\|=`A. 100B. `-100`C. `10`D. `-10`
Answer» Correct Answer - C

The objective function `Z=4x_(1) +5x_(2)`, Subject to ` 2x_(1) +x_(2) ge 7,2x_(1)+3x_(2) le 15,x_(2)le 3, x_(1),x_(2)ge 0` has minimum value at the pointA. On x-axisB. On y-axisC. At the originD. On the line parallel to x-axis
A box contains 6 pens , 2 of which are defective Two pens are taken randomy from the bax .If r,v. X., : Number of defective pens obtained , then standard deviation of x=A. `+- (4)/(3sqrt(5))`B. `(8)/(3)`C. `(16)/(45)`D. `(4)/(3sqrt(5))`
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Which of the following statement pattern is a tautology?A. `p vv (qto p)`B. `~q to ~P`C. `(1 to p )vv (~p harr q)`D. `p ^^~p`