In an examination series, which consists of 5 exams, Arvind scored an average of 60 marks in
the first 3 exams and an average of 70 in the last 4 exams, what is the average score of
Arvind for the first and last two exams if his average scores of all the five exams are 65?  Choose the correct choice from the following options:  A) 63.33  B) 6  C) 64  D) 12  E) 67.33
let a,b,c,d,e be the five exams   (a+b+c+d+e)/5=65   a+b+c+d+e=325   first 3 exams avg is (a+b+c)/3=60   a+b+c=180   d+e=325-180= 
<gadget id="calculator">325-180</gadget>
<output>145</output>
145   avg of last 4 exams is (b+c+d+e)/4=70   b+c+d+e=280   a=325-280= 
<gadget id="calculator">325-280</gadget>
<output>45</output>
45   avg of first and last two exams are(a+d+e)/3=(45+145)/3=(190)/3=63.33   63.33NSWER:63.33
<result>A</result>
In an examination series, which consists of 5 exams, Arvind scored an average of 60 marks in
the first 3 exams and an average of 70 in the last 4 exams, what is the average score of
Arvind for the first and last two exams if his average scores of all the five exams are 65?