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krishna

· started a discussion

· 1 Months ago

mistake in question (Question: 260006.2 )

they gave maths in place of biology

Question:

DIRECTIONS: Study the following table carefully and answer the questions given below:

Marks obtained by seven students in different subjects in their annual school examination.

Maximum marks are given in bracket.

Subject/

Student

A

B

C

D

E

F

G

Physics (100)

65

58

73

75

68

56

51

Chemistry (100)

59

63

69

52

71

49

72

Maths (150)

132

105

141

128

119

120

135

Social Studies (200)

138

126

162

144

150

118

132

English (50)

32

27

33

41

29

35

37

Biology (150)

105

98

112

106

119

107

96

Total (750)

-

-

-

-

-

-

-

What is the difference between the percentage of marks obtained by student ‘E’ in Chemistry and Maths marks together and the percentage of marks obtained by student ‘A’ in Social Studies and English together?

Options:
A)

6

B)

8

C)

12

D)

14

Solution:

Ans: (b)

% marks obtained by ‘E’ in Chemistry and Maths =  71+119100+150    ×100  76%

% marks obtained by ‘A’ in English and Social Studies = 138+32200+50    × 100  68%

Required difference = (76 – 68) = 8%

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