The grades of 36 students in a class test are as shown in...
The grades of 36 students in a class test are as shown in the pie chart. How many student has excellent?
7
8
9
12
Correct answer is A
degree of excellent in the pie-chart = 360o - (90o + 120o + 80o) = 360o - 290o = 70o
= 360o = 36 students
70 = 70o360o x 36 = 7
A man made a loss of 15% by selling an article for N595. Find the cost price of the article ...
If w varies inversely as uvu+v and is equal to 8 when u = 2 and v = 6, find a...
Evaluate (1/2 - 1/4 + 1/8 - 1/16 + ...) - 1 ...
Find the range of values of x which satisfy the inequalities 4x - 7 ≤ 3x and 3x - 4 ≤ ...
Change 432five to a number in base three....
Simplify and express in standard form 0.00275×0.006400.025×0.08...
Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 ......... ...