The following pie-chart the marks scored by a student in different subjects - viz, Physics (Ph), Chemistry (Ch), Mathematics (M), Social Science (SS) and English (e) in an examination. Assuming that total marks obtained for the examination is 810. Answer the questions given below.

The marks obbtained in Mathematics and Chemistry excees the marks obtained in Physics and Social Science by

Options

A. 50
B. 30
C. 40
D. 45

Answer

D

Explanation

गणित तथा सामाजिक विज्ञान में प्राप्तांक `=90+70=160^(@)`
`=160xx2.25=360`
भौतिक तथा सामाजिक विज्ञान में प्राप्तांक `=85^(@)+55^(@)`
`=140^(@)=140xx2.25`
= 315
अभिष्ट अंतर `=360-315`
= 45