Some Basic Concepts of Chemistry Part 1

When 10mL of an aqueous solution of Fe2+ ions was titrated in the presence of dil H2SO4 using diphenylamine indicator, 15mL of 0.02M solution of K2Cr2O7 was required to get the end point. The molarity of the solution containing Fe2+ ions is x×10−2M. The value of x is _______.(Nearest integer)