Question

rohit recorded 25/30 in English, 22/30 in maths. He want to calculate the score in IT. he need to achieve 85% in aggregate suggest him a option. ​

Answer 1

Answer:

goal seek it is a function that provide the value that to have the attain a value to gain a final goal

Answer 2

Rohit should prepare in IT to get 29.5/30 so that his aggregate will be 85% .

• suppose marks in IT is x out of 30.
• Then total marks he obtained = 25 + 22 + x = 47 + x
• maximum total marks = 90
• now since rohit wants to achieve 85% aggregate

$85 \div 100 = (47 + x) \div 90$

$x =76.5 - 47$

$x = 29.5 \: \: \: \: \: \: \: ans$