300
400
500
600
750
Correct answer is B
If X represent the total number of students
where the bus holds a right angle; 90º
\(\frac{90}{360}\times X=100\)(students traveling by bus)
\(X=\frac{100\times 360}{90}=400\)
The length of an arc of a circle of radius 5cm is 4cm. Find the area of the sector
\(1\frac{3}{5}cm^2\)
2cm2
8cm2
10cm2
20cm2
Correct answer is D
No explanation has been provided for this answer.
Calculate the perimeter of the trapezium PQRS
24cm
36cm
48cm
72cm
520cm
Correct answer is C
Using Pythagora's rule for △PSM
Hyp\(^2\) = Opp\(^2\) + Adj\(^2\)
5\(^2\) = Opp\(^2\) + 4\(^2\)
→ Opp\(^2\) = 25 - 16
→ Opp = √9 = 3
base SR = 18 + 3 = 21
base PQ = 18
side PS = 5
side QR = 4
perimeter of the trapezium PQRS = 21 + 18 + 5 + 4 = 48cm
3.403cm2
5.350cm2
10.99cm2
157.1cm2
175.0cm2
Correct answer is B
No explanation has been provided for this answer.
In a food chain, each stage in the chain is a
chain level
web level
consumption level
trophic level
product level
Correct answer is D
No explanation has been provided for this answer.
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