10th Maths Objective test-1

1/10

Which of the following is a finite set

A) set of factors of 2020

B) set of multiples of 20

C) set of integers less than 5

D) set of rational numbers less than 5

2/10

The sum of the roots of the equation 3x²-4=0

A) 0

B) 4/3

C) -4/3

D) -3/4

3/10

If k,(k-2) and 3k are in A.P then the value of 'k' is

A) 2

B) -1±√3

C) 1

D) -2

4/10

The distance between the points (Cosθ,Sinθ) and ( Sinθ,-Cosθ) is

A) 0

B) 1

C) √3

D) √2

5/10

If (9,3) is one end point of the diameter of a circle whose centre is (5,1) then the other end point is

A) (7,2)

B) (2,1)

C) (1,-1)

D) (-2,-1)

6/10

The value of 'P' for which the points (-1,3),(2,p) and (5,-1) are collinear is

A)1

B)-1

C)2

D)-2

7/10

In a single throw of two dice, the probability of getting a total of 10 on their faces is

A) 1/18

B) 1/12

C) 1/36

D) 5/36

8/10

The equation ax²+bx+c=0,a≠0 has no real roots then b²-4ac

A) >0

B) =0

C) <0

D) ≥0

9/10

The mean of first 'n' natural numbers is

A) n(n+1)/2

B) n+1/2n

C) n+1/2

D) n(n+1)

10/10

By using ogive curve,we can find _____ of the given data

A) Mean

B) Median

C) Mode

D) All of the above

Result: