Two equal circles of radius 3 cm each and distance between their centres is 10 cm. The length of one of their transverse common tangent is
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A man buys 7 shirts at Rs 300 each, 2 trousers at Rs 450 each and 1 pair of shoes at Rs 500 each. What is the average expenditure (in Rs) per article?
The ratio of present ages of Rangitha and Shaheen is 6:5. After 12 years the ratio of their ages will be 7:6. What is Rangitha's present age?
A man starts walking at 6.30 a.m. and wants to cover a distance of 30km. His initial speed is 6 kmph and after covering three-fifth distance, he reduces his speed by 2 kmph. At what time will he complete his walk?
If cos4θ-sin4θ=13 then the value of tan2θ is
If Cot θ = 21/20, then what is the value of Cosec θ?
Divya and Kriti have total 46 candies. If Divya has 10 candies more than kriti, then find the total number of candies Divya have?
In ΔDEF measure of angle E is 90 deg. If sinD = 15/17, and DE = 4cm, then what is the length (in cm) of side EF?
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