A comparison of marks socred by Gauri , Aaban, Seerat and Alvina in an examination is as follows
I. Gauri has scored 15 marks ess than Aaban.
II. Gauri has scored 20 marks more than Seerat .
III. Alvina has scored 10 marks less than Seerat
To decide who has scored the highest marks, identify the statement from those given in the alternatives in respect of sufficiency of data

Options

A. Data given in I and II are sufficient.
B. Data given in I and III are sufficent.
C. Data given in II and III sufficient.
D. Data given in I, II and III are sufficient.

Answer

D

Explanation

Data given in statement (i),(ii) & (iii) all together are required to find out the highest marks.