If Cosec θ = 17/8, then what is the value of Cos θ?
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Δ XYZ is right angled at Y. If m∠Z = 60°, then what is the value of (1/√2) Sec X?
The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?
If a + b = 4 and ab = -5, then what is the value of a3 + b3?
If 5x - (1/2)(2x -7) = 5.5, then what is the value of x?
If the amount received at the end of 2nd and 3rd year as Compound Interest on a certain Principal is Rs 2100, and Rs 2268 respectively, what is the rate (in %) of interest?
A student has to secure 35% marks to pass in a subject. If he gets 82 and fails by 23 marks. What is the maximum marks of the subject?
The flight fare between two cities is increased in the ratio 11:13. What is the increase (in Rs) in the fare, if the original fare was Rs 12100?