The bar chart above shows the distribution of marks in a ...
The bar chart above shows the distribution of marks in a class test. If the pass mark is 5, what percentage of students failed the test?
10%
20%
50%
60%
Correct answer is C
Number that score less than 5: 5 + 6 + 4 + 3 + 2 = 20
Total number of students: 5 + 6 + 4 + 3 + 2 + 4 + 6 + 5 + 1 + 3 + 1 = 40.
%age of students that failed: 2040×100
The interior angles of a quadrilateral are (x + 15)°, (2x - 45)°, ( x - 30)° and (x...
What is the value of sin(-690)?...
What is the size of each interior angle of a 12-sided regular polygon? ...
If nP3−6(nC4)=0, find the value of n. ...
If the equations x2 - 5x + 6 = 0 and x + px + 6 = 0 have the same roots, find the value of p....
If loga270 - loga10 + loga 13 = 2, what is the value of a?...
Calculate the variance of 2, 3, 3, 4, 5, 5, 5, 7, 7 and 9 ...
If a rod 10cm in length was measured as 10.5cm, calculate the percentage error ...