Math MCQ – Set 1 – LearnZeal

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Math MCQ – Set 1

Dear ! This is Math MCQ – Set 1 Quiz and it contains 25 questions.

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1. Factorize of x³-x²-x+1 are

(x³-x²) (x-1)

x² (x-1)²

(x-1) (x+1)

(x-1)² (x+1)

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2. If the first term of an Arithmetic series is 9 and common difference 4, Find 10ᵗʰ term.

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3. How many lines can you draw having x-intercept =3 and y-intercept =5?

one

many

two

three

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4. Find the sum of the first n odd numbers.

n(n+1)

2n²+n

n²

2n+n²

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5. The sum of infinite G.P with first term a and common ratio (r)is?

a(rⁿ-1)/2

a(1-rⁿ)/1-r

1r-a/r-1

a/1-r

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6. Find the slope of the straight line 4y+2x=5

-2

5/2

1/2

-1/2

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7. What is the slop of the horizontal line?

more than zero

less than 0

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8. Expand: (x-1/x)³

x³- 1/x³-3 (x-1/x)

x³+ 1/x³-3 (x-1/x)

x³-1/x³+3 (x-1/x)

x³+1/³+3 (X+1/X)

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9. Find the slop of the line whose equation is 2x-4y=9.

-1/2

1/2

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10. Factorize a⁴-b⁴

(a²-b²) (a²+b²)

(a-b) (a³-b³)

(a-b) (a+b) (a²+b²)

(a³+b³) (a-b)

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11. In a G.P, the second term is 48 and the 5ᵗʰ term is 6, find common ratio.

1/2

1/3

1/8

2/3

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12. Factors of a²+1+1/a² are

(a+ 1/a -1) (a+1/a +1)

(a+1/a -1) (a+1/a -1)

(a-1/a +1) (a-1/a -1)

(a-1/a -1) (a+1/a +1)

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13. Angular measurement for any angle of Sin and Cos are always less than one because

hypotenuse is shortest side

hypotenuse is longest

they are only in small angle

tanθ has any value

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14. What is the sum of the first n natural numbers?

n/2(n+1)

n²

2n+n²

n/2 (1+n²)

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15. Factors of x²-y²+2y-1 are

(x²-y²) (2y-1)

(x-y) (x+y) (2y-1)

(x-y)² (2y-1)

(x+y-1) (x-y+1)

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16. For which acute angle, the value of Sine and cosine are same?

0⁰

30⁰

45⁰

60⁰

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17. What is the sum of first n even natural numbers?

n(n+1)/2

2n²+2n

n²

n(n+1)

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18. Determine the value of lower quartile from the following data 42,35,46,59,70,63,52.

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19. If a²-7a+1=0 find the value of a+1/a?

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20. If Sin2A=Cos4A find value of A.

45⁰

15⁰

10⁰

25⁰

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21. If the mean of 4,6,a,8,10,12.is 8.5. Find a

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22. The first term of a G.P is 2 and the common ratio is 2. find 6ᵗʰ term.

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23. If tanθ=3/4, find the value of sinθ.

3/5

4/3

5/4

5/3

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24. If sum of three terms in A.S is 9 and the product-165, find the numbers.

9,15,-8/3

11,3,-5

11,9,-5/3

11,6,-5/2

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25. Find the x-intercept of the equation ax + by + c =0.

-c/a

-c/b

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