Evaluate: `|(2,4,5),(5,7,3),(2,4,5)|`

|{:(5,2,3),(7,3,4),(9,4,5):}|=0

Evaluate: 5+(3)/(7)-(4-(2)/(9))

Find the mode of the following numbers : 4,3,2,5,4,5,3,7,3,2,6

Compute : 2{:[(2,3,4,1),(-5,11,6,7)]:}+5{:[(11,13,-3,4),(5,-3,4,-7)]:}-6{:[(6,12,4,-2),(-3,5,11,7)]:} .

Evaluate: (5^(4)xx7^(4)xx2^(7))/(8xx49xx5^(3))

Evaluate: (i) 3 ^(-4) " "(ii) (-4) ^(3) " "(iii) ((3)/(4))^(-2)" "(iv) ((-2)/(3)) ^(-5) " "(v) ((5)/(7))^(0)

The value of the determinant |(5^(2),5^(3),5^(4)),(5^(3),5^(4),5^(5)),(5^(4),5^(6),5^(7))| is -

{:(5,3,7,1),(7,5,9,3),(4,4,4,4),(3,2,?,1):}

Find the mode of the following distributions:(b)2,5,4,3,2,8,7,2,4,5

7(4)/(5)-2(3)/(5)