1)Test whether the following ratios are in the proportion
a. 2:4
and 22:44
b. 8:7
and 12 : 9
2) Find the missing term in the following proportion.
a. 12:9 :: ? : 3
b. 1:2 :: 50:?
3) Reena prepared 450 mL of juice. She used the fruit
extract and water in the ratio 2:7. Find the quantity of each ingredient mixed
in the juice.
4) The cost of 10 soft bound books is Rs. 600 and the
cost of 18 hard bound books is Rs. 1800. Find whether the ratios of number of
books and their cost are in proportion.
5) In a hotel mess, 15 L of milk is bought to serve 60
students. If the students are increased to 100, howmany litres of milk should
they buy?
6) A string of length 150 cm is divided in two parts such
that their lengths are in the ratio 5:7. Find the length of both the parts.
7) The present age of a mother is 48 years and her
daughter is 16 years. Find the ratio of:
a. their present ages.
b. their ages after 10 years.
8) The cost of a dozen of apple is ₹300 and the cost of
10 oranges 150. Find the ratio of the cost of an apple to the cost of an
orange.
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