The following table represents the percentage marks of four students in six subjects. Consider the table and answer questions based on it. Student, Maths, Science, History, Geography, English, Hindi; Shamita, 75, 80, 65, 68, 72, 65; Smita, 80, 85, 75, 65, 70, 70; Shilpa, 82, 88, 70, 69, 71, 70; Sheela, 78, 87, 65, 70, 75, 74 Average marks obtained in Science is higher than that of maths by A. 15 B. 6.87 C. 7.86 D. 6.25

Railways PYQCBT 1 2016

RRB NTPC · Question 58

The following table represents the percentage marks of four students in six subjects. Consider the table and answer questions based on it.

Student	Maths	Science	History	Geography	English	Hindi
Shamita	75	80	65	68	72	65
Smita	80	85	75	65	70	70
Shilpa	82	88	70	69	71	70
Sheela	78	87	65	70	75	74

Average marks obtained in Science is higher than that of maths by A. 15 B. 6.87 C. 7.86 D. 6.25

Show answer & explanation

Answer: (A) D

Explanation

Average in Science = (80 + 85 + 88 + 87)/4 = 340/4 = 85. Average in Maths = (75 + 80 + 82 + 78)/4 = 315/4 = 78.75. Science is higher by 85 − 78.75 = 6.25 marks.