PUC Science कक्षा ११ - Karnataka Board PUC Question Bank Solutions for Mathematics

At 3:40, the hour and minute hands of a clock are inclined at

If the arcs of the same length in two circles subtend angles 65° and 110° at the centre, than the ratio of the radii of the circles is

If OP makes 4 revolutions in one second, the angular velocity in radians per second is

A circular wire of radius 7 cm is cut and bent again into an arc of a circle of radius 12 cm. The angle subtended by the arc at the centre is

The radius of the circle whose arc of length 15 π cm makes an angle of \[\frac{3\pi}{4}\]  radian at the centre is

Identify whether the following is set or not? Justify your answer.

The collection of all months of a year beginning with the letter J.

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The collection of ten most talented writers of India.

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A team of eleven best-cricket batsmen of the world.

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The collection of all boys in your class.

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The collection of all natural numbers less than 100.

Identify whether the following is set or not? Justify your answer.

A collection of novels written by the writer Munshi Prem Chand.

Identify whether the following is set or not? Justify your answer.

The collection of all even integers.

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The collection of questions in this Chapter.

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A collection of most dangerous animals of the world.

Let A = {1, 2, 3, 4, 5, 6}. Insert the appropriate symbol ∈ or ∉ in the blank space:

5 _____ A

Write the following set in roster form:

A = {x : x is an integer and –3 ≤ x < 7}

Write the following set in roster form:

B = {x : x is a natural number less than 6}

Write the following set in roster form:

C = {x : x is a two-digit natural number such that the sum of its digits is 8}

Write the following set in roster form:

D = {x : x is a prime number which is divisor of 60}

Write the following set in roster form:

E = The set of all letters in the word TRIGONOMETRY