Mathematics Past Questions and Answers

Factorize k² - 2kp + p².

A (k +p)²
B (k - p)²
C K² + p²
D K² - p²

Question 282:

Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60o.

A (12 + 4\(\pi\))cm
B (24 + 4\(\pi\))cm
C (12 + 6\(\pi\))cm
D (24 + 6\(\pi\))cm

Question 283:

\(\begin{array}{c|c}
Marks & 2 & 3 & 4 \\
\hline
Frequency & 4 & 4 & y
\end{array}\)
The table above shows the frequency distribution of marks obtained by a group of students. If the total mark is 48, find the value of y.

Question 284:

Given U = {x: x is a positive integer less than 15} and P = {x: x is even number from 1 to 14}. Find the compliment of P.

A {1, 3, 5, 7, 9, 11, 13, 15}
B {2, 3, 5, 7, 9, 11, 13}
C {1, 3, 5, 7, 9, 11, 13}
D {2, 3, 5, 7, 11, 15}

Question 285:

Simplify \(\frac{0.026 \times 0.36}{0.69}\). Leave your answer in standard form

A 1.36 x 10^-4
B 1.36 x 10^-3
C 1.36 x 10^-1
D 1.36 x 10^-2