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A typical black hole is always specified by

A) a (curvature) singularity
B) a horizon
C) either a (curvature) singularity or a horizon
D) a charge

Correct Answer:

A) a (curvature) singularity

Part of solved CDS General Knowledge(2) questions and answers : Exams >> CDSE >> CDS General Knowledge(2)

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Similar Questions

1). What is the number of integral solutions of the equations HCF (a, b) = 5 and a + b = 65 ?

A). None

B). Infinitely many

C). Less than 65

D). Exactly one

2). The difference of two consecutive cubes

A). is odd or even

B). is never divisible by 2

C). is always even

D). None of the above

3). Let a,b be positive integers. What is HCF \( \Large \frac{a}{HCF(a,b)} \) \( \Large \frac{b}{HCF(a,b)} \) equal to?

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A). anon-square

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A). It is always 1

B). It is always 2

C). Either 1 or 2

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6). The expression \( 2x^{3}\)+\(x^{2} \)-\(2x \)-\( 1\)divisible by

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B). \( 2x\)+\(1 \)

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7). A positive number, when increased by 10, equals 200 times its reciprocal. What is that number?

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8). \( x^{3}\)+\(6x^{2} \)+\( 11x\)+\( 6\) is divisibke by

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9). The present age, of Ravi's father is four times Ravi's present age. Five years back he was seven times as old as Ravi was at that time. What is the present age of Ravi's father?

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B). 70 years

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10). The average age of male employees in a firm is 52 years and that of female employees is 42 years. The mean age of all employees is 50 years. The percentage of male and female employees are respectively

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B). 20% and 80%

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