`88,71,X,43,32,23` what is X here

If R={(2,3),(3,1),(5,4),(4,3)}, then what is the Range of R?

Weights (in kg) of 15 students of a class are 38, 42, 35, 37, 45, 50, 32, 43, 43 ,40, 36, 38, 43, 38 and 47? What is the mean weight?

If 2^(x+3)=32 , then what is the value of 3^(6-x) ?

If A={:[(6,-7,1),(3,-2,1)]:}andB={:[(5,1,2),(-4,3,-5)]:} then find X such that 2A-B+X=O.

If x:6::32:24 then,what is the value of x?

If the 8-digit number 179x091y is divisible by 88, then what is the value of (x – y) ?

Ten observations 6,14, 15,17, x+1, 2x-13, 30, 32,34 and 43 are written in an ascending order. The median of the data is 24. Find the value of x.

Here x is