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प्रश्न
The following pictograph shows the total savings of a group of friends in a year. Each picture represents a saving of Rs.100.
| Ruby |  |
| Malarkodi |  |
| Thasnim |  |
| Kuzhali |  |
| Iniya |  |
represents Rs.100
Answer the following questions.
(i) What is the ratio of Ruby’s saving to that of Thasnim’s?
(ii) What is the ratio of Kuzhali’s savings to that of others?
(iii) How much is Iniya’s savings?
(iv) Find the total amount of savings of all the friends?
(v) Ruby and Kuzhali save the same amount. Say True or False
उत्तर
(i) Ratio of Ruby’s saving to that of Thasnim’s
= `"Ruby's saving"/"Thasnim's saving"`
= `(5 xx 100)/(4 xx 100)`
= `5/4`
= 5 : 4
Ratio of Ruby’s saving to that of Thasnims = 5 : 4
(ii) Ratio of Kuzhali’s savings to that of others
= `"Kuzhali's saving"/"others saving"`
= `(5 xx 100)/(19 xx 100)`
= `5/19`
= 5 : 19
Ratio of Kuzhali’s saving to that of others = 5 : 19
(iii) Iniya’s saving = 3 × 100 = ₹ 300
(iv) Saving of all the friends = (5 + 7 + 4 + 5 + 3) × 100
= 24 × 100
= ₹ 2400.
Total savings = ₹ 2400
(v) Ruby and Kuzhali save the same amount - True
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