Six year ago Parvez’s age was same as the present age of Manish. If the present age of Parvez is one-fourth more than that of Manish's present age, then in how many years will Parvez’s age become double of Manish’s present age?
In each of the following questions, a part of the figure is missing. Find out from the given options (a), (b), (c) or (d), the right figure to fit in the missing figure (X).