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(#M40026625) NDA QUESTION Mental Ability Keep an EYE

What is the value of tan 65º ?: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

(#M40026623) NDA QUESTION Mental Ability Keep an EYE

What is the value of tan 15º ?: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

(#M40026620) NDA QUESTION Mental Ability Keep an EYE

What is the value of tan 105º ?: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

(#M40026618) NDA QUESTION Mental Ability Keep an EYE

If D is a determinant of order 3 and D' is the determinant obtained by replacing the elements of D by their
cofactors, then which one of the following is correct ?
(a) D ' = D^2
(b) D' = D^3
(c) D' = 3D^2
(d) D' = 3D^3: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

(#M40026617) NDA QUESTION Mental Ability Keep an EYE

The determinant of an orthogonal matrix is: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

(#M40026615) NDA QUESTION Mental Ability Keep an EYE

The roots of the equation
1 1 t 1
t 1 1 1
1 t 1 1
−
−
−
= 0 are: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

(#M40026614) NDA QUESTION Mental Ability Keep an EYE

What is the angle between the planes 2x – y – 2z + 1 = 0 and 3x – 4y + 5z – 3 = 0 ?: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (1) Submit Your Solution

(#M40026613) NDA QUESTION Mental Ability Keep an EYE

What is the inclination of the line sqrt(3)x − y −1= 0: Asked In NDA MAN (11 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Solved Question (0) UnSolved Question (481)

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Dimple

India

Punjab

Time: 00:01:33

Points

The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

frank

Measure what is measurable, and make measurable what is not so.

Galileo Galilei

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