If 12x=16, what is the value of 3x ?
Find the number of values of x satisfying
3x−3≤7x+5 and 5−x≥(x4)−(54),where x ϵ N.
For what value of m, the system of equations mx+3y=m–3, and 12x+my=m will have no solution.
If one zero of the quadratic polynomial kx2+3x+k is 2 then the value of k is
(a) 56 (b) −56 (c) 65 (d) −65
For all natural numbers n, (n+1)(n+2)(n+3) is divisible by