if `A=[{:(1,2,3),(-4,5,0):}],` then
(I) how many columns are in A ?
(ii) How many rows are in A?
(iii) write the order of A ,
(Iv) how many elements are in A?

A=[{:(2,0,-1),(3,2,5),(-1,4,-3),(0,1,7):}],then (i) how many cloumns are in A ? (ii) how many rows are inA ? (iii) what is the order of A ? (iv) How many elements are in A?

A=[{:(2,0,-1),(3,2,5),(-1,4,-3),(0,1,7):}],then (i) how many cloumns are in A ? (ii) how many rows are inA ? (iii) what is the order of A ? (iv) How many elements are in A?

If A={1,3,5},how many elements have P(A)?

How many elements are found in nature?

How many elements are there in period 2?

How many elements are known at present?

If A=phi ,then how many elements are there in P(A).

How many elements are included in group 1:

How many elements are present in 4th period?

A matrix has 3 rows and 4 columns. How many elements are there in A?