Q 1: The domain of the variable y = {2, 4, 6, 8, 10, 12, 14, ...}. Which value of the variable makes y - 8 = 4 true?
y = 12
all values of y
y =14
y = 4
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Q 2: Name the brackets represented by the symbol "( )".
curly brackets
small brackets
square brackets
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Q 5: x-9 = 15, the L.H.S of the equation is _____ ?
x-9
15
9
x
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Q 6: A book contains 200 pages. After some pages are read, the number still to be read is 78. The equation that describes the above statements is:
200-x = 78
200+x =78
200-78 = x
x-200 = 78
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