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shyam

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· 1 Months ago

EXPLNATION (Question: 180824.2 )

NEEDED DETAILED EXPLANATION OF TABLE

Question:

DIRECTIONS: Study the following table carefully to answer the questions given below.       


The following table gives information about the marks scored by three students P, Q, and R in different subjects.


Subject

Maximum marks

Ratio of marks of P and Q

Total marks of P and Q

Total marks of Q and R

English

100

7:12

133

180

Hindi

100

4:7

154

168

Maths

150

5:4

144

141

Physics

120

11:8

152

170

Chemistry

120

6:7

156

165

Computers

150

12:13

275

250

Economics

160

13:7

220

200

Commerce

160

8:9

289

272

What is the overall percentage of marks of student ‘Q’ in all subjects together?

Options:
A) 72.4%
B) 59.8%
C) 63.5%
D) 77.2%   
E) None of these  
Solution:

Ans (a)


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