raghu Katagall
Quiz by , created over 1 year ago

Quiz on Maths, created by raghu Katagall on 09/11/2017.

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raghu Katagall
Created by raghu Katagall over 1 year ago
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Question 1

Question
If in the expansion of (1+x)n, coefficient of 2nd , 3rd and 4th terms are in A.P., then n =
Answer
  • 5
  • 6
  • 4
  • 7

Question 2

Question
ratio in which the plane x – 2y + 3z = 17 divides the line joining the points (2, - 4, 7) and (3, - 5, 8) is
Answer
  • 1 : 5
  • 5 : 1
  • 3 : 10
  • 10 : 3

Question 3

Question
If the sum of co-efficients in the expansion of (a+b) n is 4096, then the greatest co-efficient in the expansion is
Answer
  • 1564
  • 792
  • 924
  • 2924

Question 4

Question
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
Answer

Question 5

Question
The greatest term in the expansion of (3+2x)^9,when x = 1 is
Answer
  • 4th
  • 4th and 5th
  • 5th
  • 6th

Question 6

Question
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
Answer
  • 2x + 3y + z = 14
  • 2x – 3y + z = 14
  • 2x + 3y – z = 14
  • 2x – 3y – z = 14

Question 7

Question
The greatest integer which divides the number 101100-1 is
Answer
  • 100
  • 1000
  • 10000
  • 100000

Question 8

Question
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
Answer
  • 8x - 5y – 11z + 8 = 0
  • 8x + 5y + 11z + 8 = 0
  • 8x + 5y – 11z + 8 = 0
  • 8x – 5y + 11z – 8 = 0

Question 9

Question
The sum of the co-efficients in the expansion of (1-x)10 is
Answer
  • 0
  • 1
  • 100
  • 1024

Question 10

Question
(1.003)4 are approximately equal to
Answer
  • 1
  • 1.012
  • 0.988
  • 1.988

Question 11

Question
The contrapositive of the statement “If 7 is greater than 5, then 8 is greater than 6” is
Answer
  • If 8 is greater than 6, then 7 is greater than 5
  • If 8 is not greater than 6, then 7 is greater than
  • If 8 is not greater than 6, then 7 is not greater than 5
  • If 8 is greater than 6, then 7 is not greater than 5

Question 12

Question
Vector equation of the line 6x – 2 = 3y + 1 = 2z – 2 is
Answer

Question 13

Question
13
Answer
  • a = 4, b= 1
  • a = 1, b= 4
  • a = 0, b= 4
  • a = 2, b= 4

Question 14

Question
14
Answer

Question 15

Question
How many lines through the origin make equal angles with the co-ordinate axes?
Answer
  • 1
  • 4
  • 8
  • 2

Question 16

Question
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
Answer
  • l x + m y + n z = l + 2 m + 3 n
  • b
  • l x + m y + n z = 1
  • d

Question 17

Question
The negation of the proposition “If 2 is prime then 3 is not odd” is
Answer
  • 2 is prime and 3 is not odd
  • If 2 is not prime then 3 is not odd
  • If 2 is not prime then 3 is odd
  • 2 is prime then 3 is odd

Question 18

Question
The equation of the plane passing through the point (1, - 1, 2) and parallel to the plane 3x + 4y – 5z = 0 is
Answer
  • 3x + 4y – 5z + 11 = 0
  • 3x + 4y – 5z = 11
  • 6x + 8y – 10z = 1
  • 3x + 4y – 5z = 2

Question 19

Question
Which of the following are not compound statements?
Answer
  • It is raining or the sun is shining.
  • 2 is both an even number and a prime.
  • Ram and Rahim are friends.
  • 9 is neither an odd number nor prime.

Question 20

Question
The angle between the planes 2x – y + z = 6 and x + y + 2z = 7 is
Answer
  • 30o
  • 60o
  • 45o
  • 90o

Question 21

Question
The converse of the statement “If x > y then x + a > y + a” is
Answer
  • If x < y then x + a < y + a
  • If x + a > y + a then x > y
  • If x > y then x + a < y + a
  • If x < y then x + a > y + a