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Frequently Asked NDA Exam Pattern, NDA Questions with Answers

(#M40026505) NDA QUESTION Mental Ability Keep an EYE

The harmonic mean H of two numbers is 4 and the arithmetic mean A and geometric mean G satisfy the
equation 2A + G^2 = 27. The two numbers are
(a) 6, 3 (b) 9, 5 (c) 12, 7 (d) 3, 1

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(#M40026604) NDA QUESTION Mental Ability Keep an EYE

A straight line passes through the points (5, 0) and (0, 3). The length of the perpendicular from the point
(4, 4) on the line is

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(#M40026483) NDA QUESTION Mental Ability Keep an EYE

The average marks obtained by the students in a class are 43. If the average marks obtained by 25 boys are
40 and the average marks obtained by the girl students are 48, then what is the number of girl students in the
class ?

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(#M40026486) NDA QUESTION Mental Ability Keep an EYE

If two lines of regression are perpendicular, then the correlation coefficient r is
(a) 2 (b)
1/2 (c) 0 (d) None of the above

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(#M40026894) NDA QUESTION General Ability Test-2012 Keep an EYE

Consider the following statements regarding El Nino effect on Indian Monsoon :
1. The surface temperature goes up in the Southern Pacific Ocean and there is deficient rainfall in India.
2. The Walker Circulation shifts eastward from its normal position and reduces monsoon rainfall in India.
Which of the statements given above is/are correct ?
(A) 1 only (B) 2 only (C) Both 1 and 2 (D) Neither 1 nor 2

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(#M40026808) NDA QUESTION General Ability Test Keep an EYE

The pure form of carbon is -
(a) diamond (b) graphite (c) charcoal (d) fulerence

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(#M40026924) NDA QUESTION General Ability Test-2012 Keep an EYE

Operation Cactus is the name given to Indian military intervention in
(A) Maldives (B) Sri Lanka (C) Bangladesh (D) Bhutan

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(#M40026870) NDA QUESTION General Ability Test-2012 Keep an EYE

One feels heavier in a lift when the lift
(A) is going down steadily (B) just begins to go up
(C) is moving up steadily (D) descends freely

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(#M40026849) NDA QUESTION General Ability Test Keep an EYE

My mother has been working hard for the last two weeks and she feels RUN DOWN.
(A) energetic (B) cold
(C) emotional (D) morbid

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(#M40026947) NDA QUESTION General Ability Test-2012 Keep an EYE

Why did Gandhi Ji go to Champaran ?
(A) To launch a Satyagraha movement
(B) To launch a non-cooperation movement
(C) To enquire into the grievances of the indigo cultivators
(D) To fight against the zamindars

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