You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VI

Mathematics

Problems Based on Application of Average in Everyday Life

George's aver...

Question

George's average(arithmetic mean) score on the first four English tests of the semester is $92$ . If he earns a score of $77$ on the fifth test, calculate his new average.

84.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

86.0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

87.5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

88.0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

89.0

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is E $89.0$
Total score earned in $4$ tests is $92 \times 4 = 368$
New total is $368 + 77 = 445$
Average is $\frac{445}{5} = 89$

Suggest Corrections

Similar questions

Q. Rahul's mean score in

5

tests was

84

. His mean score in the first

4

of these tests was

87

. Calculate his score in the fifth test.

Q. Andrew has taken

5

of the

8

equally weighted tests in his U.S. Maths class this semester, and he has an average score of exactly

78.0

points. How many points does he need to earn on the

6^{t h}

test to bring his average score up to exactly

80.0

points?

The average marks scored by Ajay in certain number of tests is 84. He scored 100 marks in his last test. If his average score of all these tests is 86, then the total number of tests he appeared is ____.

Q. This semester, Gerry scored an average of

93

on his five history exams. He got the same score on his first two exams, and then he got a

94

, an

85

, and a

90

on the remaining exams. What score did he receive on his first two exams?

Q. In Roscher's class, a student with an average score from

80

89

, inclusive, gets a

B

grade. His grade is based only on

3

tests. The highest possible score on each of these tests is

100

points. Roscher scored

79

points in his first test and

95

in his second test. If

y

represents his score in the third test, determine which of the following inequalities below shows all values of

y

that would earn Roscher a

B

in his Physics class.

Join BYJU'S Learning Program

George's average(arithmetic mean) score on the first four English tests of the semester is 92. If he earns a score of 77 on the fifth test, calculate his new average.

The correct option is E 89.0Total score earned in 4 tests is 92×4=368New total is 368+77=445Average is 4455=89

George's average(arithmetic mean) score on the first four English tests of the semester is $92$ . If he earns a score of $77$ on the fifth test, calculate his new average.

The correct option is E $89.0$
Total score earned in $4$ tests is $92 \times 4 = 368$
New total is $368 + 77 = 445$
Average is $\frac{445}{5} = 89$