The ratio of present ages of Rasika and Shami is 7:5. After 17 years the ratio of their ages will be 12:11. What is Rasika's present age?
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The average marks in science subject of a class of 20 students is 68. If the marks of two students were misread as 48 and 65 of the actual marks 72 and 61 respectively, then what would be the correct average?
Difference of marks = 72 + 61 –48 –65 = 20∴Correct average marks = 68 +20/20= 69
After a discount of 34% an article is sold for Rs. 3168. What is the marked price (in Rs) of the article?
A shopkeeper by selling 23 Lotto shoes, earns a profit equal to the selling price of 7 Lotto shoes. His profit percentage is
Which of the following statements is not true?
Find the perimeter (in cm) of a semicircle of radius 28 cm.
If a retailer offers a discount of 32% on the marked price of his goods and thus ends up selling at cost price, what was the % markup price?
If the elevation of the Sun changes from 30° to 60° , then the difference between the lengths of shadows of a pole 15 m high, is
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