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A's speed is 30% more than that of B. If A and B run a race on a 117 m length race, what part of the length of the race should A give B as a head start, so that the raceends in a dead heat?

the price of a mobile first successively decreases by 5%, 2% and after that the price is increased successively by 10%, 20%, respectively. what is the final change in the price of the mobile?

Reasoning

the age of Samir and tanuj are in the ratio 8:15
after 5 years,the new ratio of their ages will be 4:5 what is the age of Vijay present ?

8:6::?:12:: 343:21

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Telugu medium

in triangle ABC right angled triangle at B ,BC=15,andAB=8. if circle is inscribed in triangle ABC,then the radius of circle is ?