20
45
65
135
Correct answer is B
From the diagram SR//UW given that < RSV = 45o and < WVT = xo
< WVT = 45o(corresponding angle)
xo = 45
In the diagram, PQR is a straight line, (m + n) = 120o and (n + r) = 100o. Find (m + r)
110o
120o
140o
160o
Correct answer is C
No explanation has been provided for this answer.
In the diagram, the value of x + y = 220o. Find the value of n
20o
40o
60o
80o
Correct answer is B
y + z = 180o
z = 180o - y
x + k = 180o
k = 180o - x
the sum of angles in the \(\bigtriangleup\) are: n + z + k = 180
but n + 180o - y + 180o - x = 180o
n + 180o - y - x = 0
but we want to find n
n + 180o = x + y
but x + y = 220o
n + 180o = 220o
n = 220o - 180o
n = 40o
\(\frac{11}{18}\)
\(\frac{11}{20}\)
\(\frac{7}{22}\)
\(\frac{5}{19}\)
Correct answer is B
at most 2 marks = 5 + 2 + 4 students = 11 students
probability(at most 2 marks) = \(\frac{11}{20}\)
The bar chart shows the scores of some students in a test. How many students took the test?
18
19
20
22
Correct answer is C
score 0 = 4 students
score 1 = 2 students
score 2 = 5 students
score 3 = 6 students
score 4 = 3 students
= 20 students
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