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Frequently Asked NDA Exam Pattern, NDA Questions with Answers Page 47

(#M40026511) NDA QUESTION Mental Ability Keep an EYE

What is the probability of getting a sum of 8 with two dice ?

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(#M40026510) NDA QUESTION Mental Ability Keep an EYE

What is the probability of getting a sum of 15 with two dice ?

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(#M40026509) NDA QUESTION Mental Ability Keep an EYE

What is the probability of getting a sum of 7 with two dice ?

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(#M40026508) NDA QUESTION Mental Ability Keep an EYE

In throwing a six faced die, let A be the event that an even number occurs, B be the event that an odd number
occurs and C be the event that a number greater than 3 occurs. Which one of the following is correct ?
(a) A and C are mutually exclusive (b) A and B are mutually exclusive
(c) B and C are mutually exclusive (d) A, B and C are mutually exclusive

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(#M40026507) NDA QUESTION Mental Ability Keep an EYE

Consider a random experiment of throwing together a die and two coins. The associated sample space has
(a) 8 points (b) 12 points (c) 24 points (d) 36 points

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(#M40026504) NDA QUESTION Mental Ability Keep an EYE

Consider the following statements:
1. Both variance and standard deviation are measures of variability in the populatin.
2. Standard deviation is the square of the variance.
(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

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(#M40026503) NDA QUESTION Mental Ability Keep an EYE

The marks obtained by 13 students in a test are 10, 3, 10, 12, 9, 7, 9, 6, 7, 10, 8, 6, 7. The median of this data is
(a) 7 (b) 8 (c) 9 (d) 10

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(#M40026502) NDA QUESTION Mental Ability Keep an EYE

The degree and order respectively of the differential equation
dy/dx=(1/(x+ y+ 1))

= are

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(#M40026501) NDA QUESTION Mental Ability Keep an EYE

The differential equation of the curve y = sin x is

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(#M40026500) NDA QUESTION Mental Ability Keep an EYE

The derivative of sec^2x with respect to tan^2x is

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