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Jak's average test score after 2 tests is 78. What average score must Jake score on the 3rd ,4th and 5th tests to bring his average up to exactly 87?
A
85
B
90
C
93
D
95
Correct Answer:
93
Babul attended five tests during the semester and the average of his test scores was 87. If has average score after first three tests were 85, what was the average of his 4th and 5th test?
A
88
B
89
C
90
D
93
Five farmers have 7,9,11,13 & 14 apple trees respectively in their orchards. Last year each of them discovered that every tree in their own orchard yields exactly the same number of apples. Further, if the 3rd farmer gives one apple to the 1st and the 5th gives 3 to each of the 2nd & d 4th, they would all exactly have the same number of apples, what were the yields per tree in the orchards of the 3rd & 4th farmers ?
A
17 & 9
B
9 & 11
C
9 & 9
D
11 & 9
? A players average test score on 4 tests is 78. What must be his score on a 5th test for average score on the test to be
A
82
B
84
C
86
D
88
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A
81
B
81.5
C
82
D
84.5
Three maths classes: A, B and C take an algebra test. The average score of class A is 83. The average score of class B is 76. The average score of class C is 85. The average score of class A and B is 79 and average score of class B and C is 81. What is the average score of classes A, B, C ?
A
81
B
78
C
80.5
D
81.5
Lenny's average score after 3 tests is 88 . What score on the 4th test would bring Lenny's average up to exactly 90 ?
A
89
B
96
C
97
D
92
Lenny's average score after 3 tests is 88. What score on the 4th test would bring Lenny's average up to exactly 90?
A
92
B
94
C
95
D
96
The average number of visitors of a library in the first 4 days of a week was 58. The average for the 2nd, 3rd, 4th and 5th days was 60.If the number of visitors on the 1st and 5th days were in the ratio 8 : 9. Then what is the number of visitors on the 5th day of the library ?
A
54
B
64
C
68
D
72
Three math classes , X, Y , and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?
A
81
B
81.5
C
82
D
84.5
A student's average test score on 4 tests is 78. What must be the student's score on the 5 ^ (th) * testf the student's average score on the 5 tests to be 80?
A
80
B
82
C
84
D
88