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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 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
Select the correct answer choice of the following Question : "9 men went to a restaurant together. 8 of them spent Tk. 3 each over their meals and the 9th man spent Tk, 2 more than the average expenditure of all the 9 men, Find out the total money spent by the 9 men?"
A Tk, 23.49
B Tk. 29.25
C Tk. 28.25
D Tk,. 32.00
The batting average for 40 innings of a cricket player is 50 runs. His higest score in an innings exceeds his lowest score by 172 runs. if thse two innings are excluded, the average score of the remianing 38 innings is 48 runs . Find his highst score in an innings
A 180 runs
B 170 runs
C 174 runs
D 168 runs
Select the correct answer choice of the following Question : "The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded then the average of the remaining 38 innings becomes 48 runs. What is his highest score?"
A 178
B 182
C 174
D 173
9 men went to a restaurant together. 8 of them spent Tk. 3 each over their meals and the 9th man spent Tk. 2 more than the average expenditure of all the 9 men. Find out the total money spent by the 9 men?
A Tk. 23.49
B Tk. 29.25
C Tk. 28.25
D Tk. 32.00
Of the total amount that Jill spent on a shopping trip, excluding taxes, she spent 50% on clothing 20% on food, and 30% on other items. If Jill paids 4% tax on clothing , on tax on the food, and an 8% tax on all other items, then the total tax that she paid was what percent of the total amount that she spent, excluding taxes?
A 3.6%
B 4.4%
C 5.2%
D None of these
? 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
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded then the average of the remaining 38 innings becomes 48 nuns. what is his highest score?
A 178
B 182
C 174
D 173
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

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