If the ordered pairs (a+2,4) and (5,2a+b) are equal then( a,b) is

let n(A)=m and n(B)=n,then the total no of non empty relations that can be defined from A to B is

if f(X)=2x² and g(x)=1/3x, then fog is

f(X)=(x+1)³-(X-1)³ represents a function which is

 $7^{4k}\equiv$ ------------(mode 100)

if 6 times of 6th term of an A.P is equal to 7 times the 7th term ,then the 13 th term of the A.P.is

the least number that is divisible by all the numbers from 1 to 10 is

the next term of the sequence 3/16,1/8.1/12,1/18....is

using euclid division lemma,if the cube of any posiive integer is divided by 9,then the positive remainders are