Test
Maths
Preguntas del test (21)
1 If in the expansion of (1+x)n, coefficient of 2nd , 3rd and 4th terms are in A.P., then n =
- A5
- B6
- C4
- D7
2ratio in which the plane x – 2y + 3z = 17 divides the line joining the points (2, - 4, 7) and (3, - 5, 8) is
- A1 : 5
- B5 : 1
- C3 : 10
- D10 : 3
3 If the sum of co-efficients in the expansion of (a+b) n is 4096, then the greatest co-efficient in the expansion is
- A1564
- B792
- C924
- D2924
4If 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
- Aa
- Bb
- Cc
- Dd
- Aa
5The greatest term in the expansion of (3+2x)^9,when x = 1 is
- A4th
- B4th and 5th
- C5th
- D6th
6If 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
- A2x + 3y + z = 14
- B2x – 3y + z = 14
- C2x + 3y – z = 14
- D2x – 3y – z = 14
7The greatest integer which divides the number 101100-1 is
- A100
- B1000
- C10000
- D100000
8The 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
- A8x - 5y – 11z + 8 = 0
- B8x + 5y + 11z + 8 = 0
- C8x + 5y – 11z + 8 = 0
- D8x – 5y + 11z – 8 = 0
9The sum of the co-efficients in the expansion of (1-x)10 is
- A0
- B1
- C100
- D1024
10(1.003)4 are approximately equal to
- A1
- B1.012
- C0.988
- D1.988
11The contrapositive of the statement “If 7 is greater than 5, then 8 is greater than 6” is
- AIf 8 is greater than 6, then 7 is greater than 5
- BIf 8 is not greater than 6, then 7 is greater than
- CIf 8 is not greater than 6, then 7 is not greater than 5
- DIf 8 is greater than 6, then 7 is not greater than 5
12Vector equation of the line 6x – 2 = 3y + 1 = 2z – 2 is
- Aa
- Bb
- Cc
- Dd
- Aa
1313
- Aa = 4, b= 1
- Ba = 1, b= 4
- Ca = 0, b= 4
- Da = 2, b= 4
1414
- Aa
- Bb
- Cc
- Dd
- Aa
15How many lines through the origin make equal angles with the co-ordinate axes?
- A1
- B4
- C8
- D2
16The equation of the plane passing through the point (1, 2, 3), the direction cosines to the normal of which are l, m, n is
- Al x + m y + n z = l + 2 m + 3 n
- Bb
- Cl x + m y + n z = 1
- Dd
17The negation of the proposition “If 2 is prime then 3 is not odd” is
- A2 is prime and 3 is not odd
- BIf 2 is not prime then 3 is not odd
- CIf 2 is not prime then 3 is odd
- D2 is prime then 3 is odd
18The equation of the plane passing through the point (1, - 1, 2) and parallel to the plane 3x +
4y – 5z = 0 is- A3x + 4y – 5z + 11 = 0
- B3x + 4y – 5z = 11
- C6x + 8y – 10z = 1
- D3x + 4y – 5z = 2
19Which of the following are not compound statements?
- AIt is raining or the sun is shining.
- B2 is both an even number and a prime.
- CRam and Rahim are friends.
- D9 is neither an odd number nor prime.
20The angle between the planes 2x – y + z = 6 and x + y + 2z = 7 is
- A30o
- B60o
- C45o
- D90o
21The converse of the statement “If x > y then x + a > y + a” is
- AIf x < y then x + a < y + a
- BIf x + a > y + a then x > y
- CIf x > y then x + a < y + a
- DIf x < y then x + a > y + a
Información
- Descripción
- Test sobre Maths, creado por raghu Katagall el 09/11/2017.
- Autor
- raghu Katagall
- Idioma
- English
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- 1.207
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