SSC Mathematics Part 1 English CET EXAM MCQ

 

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MHT-CET EXAM 11^th STANDARD

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(1) ax + by = c and mx + ny = d andan ¹ bm then these simultaneous equations have –

(A) Only one common solution.

(B) No solution.

(C) Infinite number of solutions.

(D) Only two solutions.

 

(2) Out of the following equations which one is not a quadratic equation ?

(A) x² + 4x = 11 + x²

(B) x² = 4x

(C) 5x² = 90

(D) 2x - x² = x² + 5

 

(3) Out of the following equations, find the equation having the sum of its roots -5.

(A) 3x² - 15x + 3 = 0

(B) x² - 5x + 3 = 0

(C) x² + 3x - 5 = 0

(D) 3x² + 15x + 3 = 0

 

(4) 5 m² - 5 m + 5 = 0 which of the following statement is true for this given equation ?

(A) Real and uneual roots

(B) Real and equal roots

(C) Roots are not real

(D) Three roots.

 

(5) In an A.P. first two terms are -3, 4 then 21st term is . . .

(A) -143

(B) 143

(C) 137

(D) 17

 

(6) For an given A.P. t ₇ = 4, d = - 4 then a = . . .

(A) 6

(B) 7

(C) 20

(D) 28

 

(7) Sum of first five multuiples of 3 is. . .

(A) 45

(B) 55

(C) 15

(D) 75

 

(8) 15, 10, 5, . . . In this A.P. sum of first 10 terms is . . .

(A) -75

(B) -125

(C) 75

(D) 125

 

(9) The sequence -10, -6, -2, 2, . . .

(A) is an A.P., Reason d = -16

(B) is an A.P., Reason d = 4

(C) is an A.P., Reason d = -4

(D) is not an A.P.

 

(10) What is the sum of the first 30 natural numbers ?

(A) 464

(B) 465

(C) 462

(D) 461

 

(11) Which number cannot represent a probability?

(A) 2/3

(B) 1.5

(C) 15 %

D) 0.7

 

(12) A die is rolled. What is the probability that the number appearing on upper face is less than 3 ?

(A) 1/6

(B) 1/3

(C) 1/2

D) 0

 

(13) What is the probability of the event that a number chosen from 1 to 100 is a prime number ?

(A) 1/5

(B) 6/25

(C) 1/4

D) 13/50

 

(14) If n(A) = 2, P(A) = 1/5 , then n(S) = ?

(A) 10

(B) 5/2

(C) 2/5

D) 1/3

 

(15) One of the roots of equation x² + mx - 5 = 0 is 2; find m.

(A) -2

(B) – 1/2

(C) 1/2

(D) 2

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