Rajni scored 62%in english ,80% in mathematics and 56% in social science .If the maximum marks in these subjects were 50,100 & 75 respectively ,find her aggregate perrcentage .

Asked by shreyasipunit | 17th Oct, 2014, 07:36: PM

Expert Answer:

R a j n i space s c o r e d space 62 % space i n space E n g l i s h M a x i m u m space m a r k s space i n space E n g l i s h equals 50 T h u s space t h e space m a r k s space s h e space g o t space i n space E n g l i s h space equals 62 over 100 cross times 50 equals 31 R a j n i space s c o r e d space 80 % space i n space M a t h e m a t i c s M a x i m u m space m a r k s space i n space M a t h e m a t i c s equals 100 T h u s space t h e space m a r k s space s h e space g o t space i n space M a t h e m a t i c s space equals 80 over 100 cross times 100 equals 80 R a j n i space s c o r e d space 56 % space i n space S o c i a l space S c i e n c e M a x i m u m space m a r k s space i n space S o c i a l space S c i e n c e equals 75 T h u s space t h e space m a r k s space s h e space g o t space i n space S o c i a l space S c i e n c e space equals 56 over 100 cross times 75 equals 42 T h u s comma space t h e space t o t a l space m a r k s equals 31 plus 80 plus 42 equals 153 M a x i m u m space m a r k s space i n space a l l space t h e space t h r e e space s u b j e c t s equals 50 plus 100 plus 75 equals 225 T h e r e f o r e comma space t h e space a g g r e g a t e space p e r c e n t a g e equals 153 over 225 cross times 100 equals 68 %

Answered by Vimala Ramamurthy | 18th Oct, 2014, 06:03: PM