Question

84. The average marks of 7 students in a test is 70% . The average of first
two students is 63% and that of the last four is 72%. The
percentage of
marks obtained by third student is :
A) 64%
B) 68 % C) 72 % D) 76%​

Answer 1

Answer:

b

Step-by-step explanation:

Answer 2

Answer:

plz mark as brainliest I

Step-by-step explanation:

plz mark as brainliest I will follow u