HSC Arts (English Medium) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions

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Evaluate the following :

`lim_(x -> "a") [(x cos "a" - "a" cos x)/(x - "a")]`

[2.7] Limits

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Chapter: [2.7] Limits
Concept: undefined >> undefined

Evaluate the following :

`lim_(x -> pi/4) [(sinx - cosx)^2/(sqrt(2) - sinx - cosx)]`

[2.7] Limits

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Chapter: [2.7] Limits
Concept: undefined >> undefined

A card is drawn from a pack of 52 cards. What is the probability that, card is either black or a face card?

[1.9] Probability

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Chapter: [1.9] Probability
Concept: undefined >> undefined

Following data gives age of 100 students in a college. Calculate variance and S.D.

Age (In years)	16	17	18	19	20	21
No. of Students	20	7	11	17	30	15

[1.8] Measures of Dispersion

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Chapter: [1.8] Measures of Dispersion
Concept: undefined >> undefined

An insurance agent insures lives of 5 men, all of the same age and in good health. The probability that a man of this age will survive the next 30 years is known to be 2/3 . Find the probability that in the next 30 years at most 3 men will survive.

[1.9] Probability

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Chapter: [1.9] Probability
Concept: undefined >> undefined

Suppose that 80% of all families own a television set. If 5 families are interviewed at random, find the probability that
a. three families own a television set.
b. at least two families own a television set.

[1.9] Probability

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Chapter: [1.9] Probability
Concept: undefined >> undefined

Find the trigonometric function of :

0°

[1.2] Trigonometry - 1

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Chapter: [1.2] Trigonometry - 1
Concept: undefined >> undefined

Find the trigonometric function of:

30°

[1.2] Trigonometry - 1

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