S3 2nd Term Exam Revision Exercise

3(7)^0 = ?

• 21

• 7

• 3

• 1

A fair coin is tossed 50 times. Find the expected number of heads obtained.

• 20

• 25

• 30

• 35

6.27 X 10^7 = ?

• 62 700 000

• 6 270 000 000

• 0.000 062 7

• 0.000 000 627

In the figure, L is a straight line passing through Q(2, -3) and cuts the y-axis and the x-axis at point P and point R respectively. If Q is the mid-point of PR, then the coordinates of R are ?

• (0, 4)

• (0, 6)

• (4, 0)

• (6, 0)

The prices of six packs of potato chips are $7, $8, $8, $x, $6.5 and $9.5. If the mean price of the six packs of potato chips is $8, then x = ?

• 8

• 8.5

• 9

• 9.5

In the figure, PQRS is a parallelogram. M is the mid-point of RS. PM and QS intersect at point T. If the area of △PQT is 24 cm^2, then the area of quadrilateral MTQR is ?

• 30 cm^2

• 34 cm^2

• 38 cm^2

• 42 cm^2

If a sum of money is deposited at an interest rate of 2% per annum for 6 years, compounded quarterly, and the amount received is $455,125, find the sum of money correct to the nearest dollar.

• $403,780

• $404,138

• $406,362

• $430,870

Convert 11010.11₂ to a denary number.

• 23

• 26.5

• 26.75

• 27.75

• A

• B

• C

• D

• A

• B

• C

• D