In a class of 40 students, 32 offer mathematics, 24 offer...
In a class of 40 students, 32 offer mathematics, 24 offer physics and 4 offer neither mathematics nor physics. How many offer both mathematics and physics?
4
8
16
20
Correct answer is D
40 = 32 - x + x + 24 + 4
40 = 60 - x
x = 60 - 40
x = 20
Which of the regions P, Q, R, S and T satisfies the following 0 < y < 1, y < x + 2, x < 0...
In the diagram, NQ//TS, <RTS = 50\(^o\) and <PRT = 100\(^o\). Find the value of <NPR...
What is the locus of the mid-point of all the chords of length 6cm with circle of radius 5cm an...
Find the value of x for which 2(32x-1) = 162...
Solve the following simultaneous equation for x. x2 + y - 5 = 0, y - 7x + 3 = 0...