If 1/√(cosec2A - 1) = x, then value of x is
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What is the area of the sector whose central angle is 90° and radius of the circle is 14 cm?
What is the third proportional to 10 and 20?
The average height of 50 bats is 126 cm. Some bats of average height 120 cm are removed. If the new average height is 130 cm, then how many bats are remaining?
The total surface area of a cuboid is 376 sq cm. Find its volume if its length and breadth are 10 cm and 8 cm respectively?
In ΔABC, ∠BAC = 90° and AD is drawn perpendicular to BC. If BD = 7 cm and CD = 28 cm, then what is the length (in cm) of AD?
The percentage change of a number when it is first decreased by 10% and then increased by 10% is
If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?