Q.) Meenu wants to help her mother in making cake for a party. Mother is very
happy to teach her. She takes a cup and some eggs. She said the number of
eggs needed to make a cake varies directly as the number of cups of flour used.
She takes 2 cups of flour and 6 eggs. As number of guests increased, the
number of eggs and cups of flour increased. Take ‘x’ as the number of cups of
flour used & ‘y’ as the number of eggs.
a) The equation for the above relation is
i) y = 3x
ii) y = 2x
iii) y – 2x = 8
iv) y = x/3
b) How many eggs are needed if you take 4 cups of flour
i) 7 eggs
ii) 12 eggs
iii) 10 eggs
iv) 5 eggs
c) How many cups of flour will be needed for 24 eggs
i) 5 cups
ii) 6 cups
iii) 7 cups
iv) 8 cups
d) Will the point (5,15) lie on the graph 3x – y = 0
i) always lie
ii) never lie
iii) may lie
iv) may or may not lie
e) The graph of equation y – 3x = 0,
i) is parallel to y axis
ii) is parallel to x axis
iii) passes through origin
iv) passes through (1,6)
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- a
- b
- d
- b
- c
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