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Questions by vijay_jr

1 votes
1 answer
2
Test_series
If an idempotent matrix is also Skew-Symmetric then it must be a Null matrix an involuntary matrix an identity matrix Harmitian matrix
If an idempotent matrix is also Skew-Symmetric then it must bea Null matrixan involuntary matrixan identity matrix Harmitian matrix
1 votes
0 answers
3
Test-Series
1 votes
0 answers
4
counting
a+b+c<=12 a,b,c $\in Z^{+}$ No. of solution ?
a+b+c<=12a,b,c $\in Z^{+}$No. of solution ?
0 votes
1 answer
11
Doubt!
You generate a perfectly random key K. You send two messages, M1 and M2, encrypted with K (C1 = K xor M1 and C2 = K xor M2). Does sending C2 leak information about M1 and M2?
You generate a perfectly random key K. You send two messages, M1 and M2, encrypted with K (C1 = K xor M1 and C2 = K xor M2). Does sending C2 leak information about M1 and...
0 votes
1 answer
15
how to prove?
If abc(a+b+c)=3, prove that (a+b)(b+c)(c+a)≥8
If abc(a+b+c)=3, prove that (a+b)(b+c)(c+a)≥8
1 votes
0 answers
16
Explanation needed!!
You roll a fair four-sided die. If the result is 1 or 2, you roll once more but otherwise, you stop. What is the probability that the sum total of your rolls is at least 4? 9/8 9/16 3/5 1/16
You roll a fair four-sided die. If the result is 1 or 2, you roll oncemore but otherwise, you stop. What is the probability that the sum total of yourrolls is at least 4?...
2 votes
1 answer
17
Testbook Question
number of boxes in the grid number of lines on the side of grid number of squares that can be made in the grid number of possible paths to top-left to bottom-right of the grid
number of boxes in the gridnumber of lines on the side of gridnumber of squares that can be made in the gridnumber of possible paths to top-left to bottom-right of the gr...
0 votes
1 answer
18
Testbook question, Answer please
3 votes
2 answers
19
Testbook question
b*2 b*c-2 b+c*2 none of these
b*2b*c-2b+c*2none of these