Joshua Williams

answers: 1

Register to add an answer

The time for answering the question is over

110 cents

Answer:

Let the marks obtained in 5 subjects be 6x, 7x, 8x, 9x and 10x Average score = 60%

∴

5

6x+7x+8x+9x+10x

=

100

60

⇒

5

40x

=

100

60

⇒x=

100×40

60×5

=

40

3

=0.075 ∴ The marks are 0.45, 0.525, 0.6, 0.675 and 0.75,

i.e., 45%,52.5%,60%,67.5% and 75%

∴ Number of papers in which the marks exceed 50 % =4

her is ur answer

446

KristenBr

For answers need to register.

Contacts

mail@expertinstudy.com

Feedback

Expert in study

About us

For new users

For new experts

Terms and Conditions