Which among the following is true for the given numbers?
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In triangle ABC, BAC = 90 deg and AD is perpendicular to BC. If AD = 6cm and BD = 4cm, then the length of BC is
Find the circumference (in cm) of a circle of radius 17.5 cm.
The angles of depression of two ships from the top of a light house are 60° and 45° towards east. If the ships are 300 m apart, the height of the light house is
In ΔPQR, ∠QPR = 45° and the bisectors of ∠PQR and ∠PRQ meets at O. What is the value (in degrees) of ∠QOR?
The ratio of present ages of Rangana and Sayed is 7:5. After 11 years the ratio of their ages will be 4:3. What is Rangana's present age?
The length of one side and the diagonal of a rectangle are 5 cm and 13 cm respectively. Find its area (in cm2).
The mean of a distribution is 21 and the standard deviation is 7. What is the value of the coefficient variation?
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