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Lewis Acid is an electrophile as it accepts a pair of electrons. Lewis acids generally used in the acid-catalytic organic reactions are AlCl₃, BF₃ etc.
A right circular cone has a base radius of 4 cm and a height of 9 cm. If a cylindrical hole of radius 2 cm is drilled through the axis of the cone, what...
Find the value of: {(78/4) + (15/6)} ÷ 2 - 6
Two circles of radii 8 cm and 3 cm have their centers 15 cm apart. What is the length of the common internal tangent?
Below given are 2 wrong number series.
Series I: 19, 30, 6, 45, – 11, 67
Series II: 141, 148, 223, 398, 723, 1248
I. The absolute...
A and B can complete a piece of work in 12 days and 18 days, respectively. They start working together but A leaves after 6 days. How many more days wil...
Person 'X' can complete a task in 30 days when working at full efficiency, while person 'Y' can finish the same task in 50 days at full efficiency. If '...
In a cyclic quadrilateral ABCD, where AB = 7 cm, BC = 8 cm, CD = 9 cm, and DA = 10 cm, find the length of the diagonal AC if the angle between AB and DA...
124, 160, 224, ?, 468, 664
A boat can travel 30 km downstream in 2 hours and return upstream in 3 hours. What is the speed of the boat in still water?
In a right-angled triangle, one angle is 60°. If the hypotenuse is 12 cm, find the length of the side opposite the 60° angle.
