Question
The radius of two circles is 3 cm and 4 cm. The
distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common tangent to the length of the transverse common tangent?Solution

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The ratio between the numbers of girls and boys in a class is 2:3 respectively. What is the percentage of girls in the class?Β
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Rajesh spent 46% of his monthly income on food and 54% of the remaining of study. If total monthly savings (after spending on food and study) of Rajesh ...