11312317
Descrição
Quiz por raghu Katagall, atualizado more than 1 year ago
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Criado por raghu Katagall
aproximadamente 7 anos atrás
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Questão 1
Questão
If in the expansion of (1+x)n, coefficient of 2nd , 3rd and 4th terms are in A.P., then n =
Responda
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5
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6
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4
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7
Questão 2
Questão
ratio in which the plane x – 2y + 3z = 17 divides the line joining the points (2, - 4, 7) and (3, - 5, 8) is
Responda
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1 : 5
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5 : 1
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3 : 10
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10 : 3
Questão 3
Questão
If the sum of co-efficients in the expansion of (a+b) n is 4096, then the greatest co-efficient in the expansion is
Responda
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1564
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792
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924
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2924
Questão 4
Questão
If the projection of a line segment on x, y and z axes are respectively 3, 4and 5, then the length of the line segment is
Responda
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aImage:25a (binary/octet-stream)
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bImage:25b (binary/octet-stream)
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cImage:25c (binary/octet-stream)
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dImage:25d (binary/octet-stream)
Questão 5
Questão
The greatest term in the expansion of (3+2x)^9,when x = 1 is
Responda
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4th
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4th and 5th
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5th
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6th
Questão 6
Questão
If the axes are rectangular and P is the point (2, 3, -1), then the equation of the plane through P at right angles to OP is
Responda
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2x + 3y + z = 14
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2x – 3y + z = 14
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2x + 3y – z = 14
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2x – 3y – z = 14
Questão 7
Questão
The greatest integer which divides the number 101100-1 is
Responda
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100
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1000
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10000
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100000
Questão 8
Questão
The equation of the plane through (1, 1, 1) and passing through the line of intersection of the planes x + 2y – z + 1 = 0 and 3x – y – 4z + 3 = 0 is
Responda
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8x - 5y – 11z + 8 = 0
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8x + 5y + 11z + 8 = 0
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8x + 5y – 11z + 8 = 0
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8x – 5y + 11z – 8 = 0
Questão 9
Questão
The sum of the co-efficients in the expansion of (1-x)10 is
Responda
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0
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1
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100
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1024
Questão 10
Questão
(1.003)4 are approximately equal to
Responda
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1
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1.012
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0.988
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1.988
Questão 11
Questão
The contrapositive of the statement “If 7 is greater than 5, then 8 is greater than 6” is
Responda
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If 8 is greater than 6, then 7 is greater than 5
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If 8 is not greater than 6, then 7 is greater than
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If 8 is not greater than 6, then 7 is not greater than 5
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If 8 is greater than 6, then 7 is not greater than 5
Questão 12
Questão
Vector equation of the line 6x – 2 = 3y + 1 = 2z – 2 is
Responda
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aImage:11b (binary/octet-stream)
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bImage:12b (binary/octet-stream)
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cImage:12c (binary/octet-stream)
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dImage:12d (binary/octet-stream)
Questão 13
Responda
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a = 4, b= 1
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a = 1, b= 4
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a = 0, b= 4
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a = 2, b= 4
Questão 14
Responda
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aImage:14a (binary/octet-stream)
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bImage:14b (binary/octet-stream)
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cImage:14c (binary/octet-stream)
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dImage:14d (binary/octet-stream)
Questão 15
Questão
How many lines through the origin make equal angles with the co-ordinate axes?
Responda
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1
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4
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8
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2
Questão 16
Questão
The equation of the plane passing through the point (1, 2, 3), the direction cosines to the normal of which are l, m, n is
Responda
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l x + m y + n z = l + 2 m + 3 n
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bImage:16b (binary/octet-stream)
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l x + m y + n z = 1
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dImage:16d (binary/octet-stream)
Questão 17
Questão
The negation of the proposition “If 2 is prime then 3 is not odd” is
Responda
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2 is prime and 3 is not odd
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If 2 is not prime then 3 is not odd
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If 2 is not prime then 3 is odd
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2 is prime then 3 is odd
Questão 18
Questão
The equation of the plane passing through the point (1, - 1, 2) and parallel to the plane 3x +
4y – 5z = 0 is
Responda
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3x + 4y – 5z + 11 = 0
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3x + 4y – 5z = 11
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6x + 8y – 10z = 1
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3x + 4y – 5z = 2
Questão 19
Questão
Which of the following are not compound statements?
Responda
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It is raining or the sun is shining.
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2 is both an even number and a prime.
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Ram and Rahim are friends.
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9 is neither an odd number nor prime.
Questão 20
Questão
The angle between the planes 2x – y + z = 6 and x + y + 2z = 7 is
Responda
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30o
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60o
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45o
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90o
Questão 21
Questão
The converse of the statement “If x > y then x + a > y + a” is
Responda
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If x < y then x + a < y + a
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If x + a > y + a then x > y
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If x > y then x + a < y + a
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If x < y then x + a > y + a
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