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Mayur 06/12/2016 in  NDA Coaching

Let S be a set of all distinct numbers of the form p/q, where p, q belongs to {1, 2, 3, 4, 5, 6}. What is the cardinality of the set S?

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Bivash 06/12/2016 in  NDA Coaching

If A is a Square matrix of order 3 and det A = 5, then what is det [(2A) power -1] equal to?

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Prabhu 06/12/2016 in  NDA Coaching

What is square root?

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Sonam 06/12/2016 in  NDA Coaching

Out of 15 points in a plane, n points are in the same straight line. 445 triangles can be formed by joining these points. What is the value of n?

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Jessy 06/12/2016 in  NDA Coaching

How many geometric progressions is/are possible containing 27, 8 and 12 as three of its/their terms?

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Vishwa Nath 06/12/2016 in  NDA Coaching

If z = [{[(root of 3)/2] + i/2}power 107] + {[((root of 3)/2) - i/2] power 107}, then what is the imaginary part of z equal to?

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K 06/12/2016 in  NDA Coaching

A five digit number divisible by 3 is to be formed using the digits 0, 1, 2, 3 and 4 without repetition of digits. What is the number of ways this can be done?

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Saritha 06/12/2016 in  NDA Coaching

What is the number of distinct solutions of the equation (square of z) + (mod of z) = 0 (where z is a complex number)?

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Neha 06/12/2016 in  NDA Coaching

Calculate: 47 Combination of 4?

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Pethanan 06/12/2016 in  NDA Coaching

Solve: 34 Combination of 4 + 51 Combination of 3?

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Sridevi 06/12/2016 in  NDA Coaching

Let a, x, y, z, b be in AP, where x + y + z = 15. Let a, p, q, r, be in HP, where [(p)power of -1] + [(q) power of -1] + [(r) power of -1] = 5/3. What is the value of a and b?

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Mrs 06/12/2016 in  NDA Coaching

The sixth term of an AP is 2 and its common difference is greater than 1. What is the common difference of the AP so that the product of the first, fourth and fifth terms is greatest?

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Sheekha 06/12/2016 in  NDA Coaching

The interior angles of a polygon of n sides are in AP. The smallest angle is 120 degree and the common difference is 5 degree. How many possible values can n have?

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Aravind 06/12/2016 in  NDA Coaching

If A = [1 -2] and B = [2 6], then find [(AB) power -1]?

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Coaching Center 06/12/2016 in  NDA Coaching

Find the binary number of 235?

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Pankaj 06/12/2016 in  NDA Coaching

Find decimal number of the binary number (11001)?

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Sagar 06/12/2016 in  NDA Coaching

Let a and B be the roots of the equation: (x power square) - (1 - 2 square of a)x + (1 - 2 square of a) = 0. Under what condition does the above equation have real roots?

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Tejas 06/12/2016 in  NDA Coaching

In an examination, 70% students passed in Physics, 80% students passed in chemistry, 75% students passed in Mathematics and 85% students passed in Biology, and x% students failed in all the four subjects, What is the minimum value of x?

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Everest 06/12/2016 in  NDA Coaching

If x = sin 70 degree * sin 50 degree and y = cos 60 degree * cos 80 degree, then what is xy is equal to?

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Himani 06/12/2016 in  NDA Coaching

If x cos(theta) + y sin(theta) = z, then what is the value of [square of (x sin(theta) - y cos(theta))]?

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Bhupen 06/12/2016 in  NDA Coaching

Solve: (1 - tan2 degree cot 62 degree)/(tan 152 degree - cot 88 degree)?

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Shubham 06/12/2016 in  NDA Coaching

The top of a hill when observed from the top and bottom of a building of height h is at angles of elevation p and q respectively. What is the height of the hill?

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Vivek 06/12/2016 in  NDA Coaching

A moving boat is observed from the top of a cliff of 150 m height. The angle of depression of the boat changes from 60 degree to 45 degree in 2 minutes. What is the speed of the boat in meters per hour?

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Musahid 06/12/2016 in  NDA Coaching

If sin 18 degree = [(root of 5) - 1]/4, then what is the value of sin 81 degree?

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Tejas 06/12/2016 in  NDA Coaching

An equilateral triangle has one vertex at (0, 0) and another at (3, root of 3). What are the coordinates of the third vertex?

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