Question

Choose the correct answer

1. Degree of x5

-x4+2x7

-x3+3 is ( )

A) 5 B) 7 C) 19 D) 3

2. Coefficient of x3

in 3x4

-x3+5x2

-9 is ( )

A) 3 B) 5 C) -1 D) -9

3. Among the following false statement is ( )

A) A binomial has two terms B) The degree of x2+2xy+y2

is 2

C) 2

r is a monomial D) Every polynomial is a binomial

4. Zero of the polynomial for 2x-3 is ( )

A) 3

2

B) 2

3

C) 2

 3

D) 3

 2

5. Factors of x3

-3x2

-10x+24 is ( )

A) 2 B) 4 C) Both A & B D) None

6. Mode of first 10 natural numbers is ( )

A) 10 B) No mode C) 1 D) 5.5

7. Mean of x,x+3,x+4,x+1 is 11 then the value of x is ( )

A) 9 B) 10 C) 8 D) 7

8. Median of -1,-4,6,-10,12,20,15 is ( )

A) -10 B) 6 C) -4 D) 12

9. Range of 10,12,13,14,15,16,17,18,19,20 is ( )

A) 15 B) 16 C) 10 D) 20

10. Mean of 10,12,18,13 P and 17 is 15, the value of P is .... ( )

A) 2 B) 15 C) 18 D) 30​

Answer 1

Answer:

1. A) 5

2. C)-1

3. D)

4. A) 3/2

5. A) 2

6. B) no more

7.A) 9

8. A)-10

9. A) 15

10. ......

10+12+18+13 P+17/5=15

57+13P=15*5

13P=75-57

13P=18

P=18/13....