Class 10 Maths Online Mock Test

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Class 10 Maths Online Mock Test

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1. The equations ax + by + c = 0 and dx + ey + c = 0 represent the same straight line if

A. ac = bd

B. da = be

C. ad = be

D. ab = de

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2. A pair of linear equations which has a unique solution x = 2, y = -3 is

A. 2x + 5y = -11; 4x + 10y = -22

B. 2x – y = 1 ; 3x + 2y = 0

C. x + y = —1; 2x – 3y = -5

D. x-4y- 14 = 0; 5x-y- 13 = 0

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3. If in the equation x + 2y = 10, the value of y is 6, then the value of x will be

A. 1

B. -1

C. -2

D. 2

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4. The graph of x = -2 is a line parallel to the

A. y-axis

B. x-axis

C. both x- and y-axis

D. none of these

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5. If 4x² – 6x – m is divisible by x – 3, the value of m is exact divisor of

A. 9

B. 8

C. 5

D. 4

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6. If x³ + 11 is divided by x² – 3, then the possible degree of remainder is

A. 2

B. less than 2

C. 3

D. 1

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7. If one of the zeroes of the quadratic polynomial (p – l)x² + px + 1 is -3, then the value of p is

A. 5/2

B. 5/3

C. 4/3

D. 3/2

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8. HCF of 52 x 32 and 35 x 53 is:

A. 51 x 32

B. 52 x 32

C. 32 x 32

D. 92 x 35

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9. If LCM (77, 99) = 693, then HCF (77, 99) is

A. 10

B. 11

C. 12

D. 13

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10. The ratio between the LCM and HCF of 5, 15, 20 is:

A. 11:1

B. 12:1

C. 2:11

D. 19:2

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11. If HCF (16, y) = 8 and LCM (16, y) = 48, then the value of y is

A. 21

B. 22

C. 23

D. 24

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12. The least number that is divisible by all the numbers from 1 to 8 (both inclusive) is

A. 839

B. 840

C. 842

D. 985

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13. Express 98 as a product of its primes

A. 2² × 7

B. 2² × 7²

C. 2 × 7²

D. 23 × 7

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14. Which number is divisible by 11?

A. 1574

B. 1451

C. 1452

D. 1985

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15. If b = 3, then any integer can be expressed as a =

A. 3q

B. 3q, 3q+ 1, 3q + 2

C. 3q+ 1

D. 3q + 2

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16. The sum of a rational and irrational number is

A. rational

B. irrational

C. rational or irrational

D. none of above

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17. The sum of two irrational numbers is always

A. Rational or Irrational

B. Irrational

C. Rational

D. One

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18. Which of the following is not irrational?

A. (√2 + √3)

B. 27√7

C. (√2 -√3

D. (√2 -√3)(√2 + √3)

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19. HCF of 8, 9, 25 is

A. 1

B. 2

C. 3

D. 4

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20. 5 times 19 is equal to ?

A. 85

B. 22

C. 95

D. 96

Your score is

The average score is 28%

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