Free Printable ONLINE QUIZ BEE GRADE 10(JANUARY 2022)

1.

(EASY) The sum of all even numbers from 0 to 320 is:

a)

A. 25750

b)

B. 257760

c)

C. 27560

d)

D.27570

2.

(EASY) $The\ positive\ value\ of\ x\ so\ that\ 4x,\ 5x+4,\ 3x^2-1,\ \ \ \ \ \ \ \ \ \ \$ $will\ be\ in\ arithmetic\ progression\ is:$

a)

A.2

b)

B.3

c)

C.4

d)

D. 5

3.

(EASY) Find the quotient of $3x^5-4x^3+2x^2+36x+48$ divided by $x^3-2x^2+6$

a)

$A.\ \ \ 3x^2-4x-8$

b)

$B.\ \ 3x^2+4x+8$

c)

$C.\ \ \ 3x^2-6x-8$

d)

$D.\ \ 3x^2+6x+8$

4.

(EASY) What is the formula for the sum of arithmetic sequence?

a)

$A.\ \ Sn=\frac{\left(a_1+a_n\right)}{2}+n$

b)

$B.\ \ \ Sn=\frac{\left(a_{n-}a_1\right)}{2}+n$

c)

$A.\ \ Sn=\left(\frac{a_1+a_n}{2}\right)n$

d)

$A.\ \ Sn=\left(\frac{a_1-a_n}{2}\right)n$

5.

(EASY)The geometric mean of a and b is:

a)

$A.\ \ \sqrt{ab}$

b)

$B.\ \ \frac{a+b}{2}$

c)

$C.\ \ \frac{1}{b}$

d)

$D.\ \ \frac{ab}{2}$

6.

(AVERAGE)Given the equation 2x²+ kx + 12=0. What is the value of k so that the roots of the equation are equal ?

a)

A. 4 $\sqrt[]{6}$

b)

B. 6 $\sqrt[]{4}$

c)

C. 4 $\sqrt[]{3}$

d)

D. 6 $\sqrt[]{3}$

7.

(AVERAGE)The 10th term of the series a, a-b, , a-2b,… is :

a)

A. a-6b

b)

B. a-9b

c)

C. 2a-b

d)

D. a+9b

8.

(AVERAGE) Consider the sequence 5,9,13,17,.., what is the 20th term?

a)

A. 77

b)

B. 81

c)

C. 85

d)

D. 89

9.

(AVERAGE)The geometric mean is 16. the larger number is twice the smaller. What are the two numbers in simplified radical form?

a)

$A.\ \ \ 8\sqrt{2}\ and\ \ 16\sqrt{2}$

b)

$B.\ \ \ 10\sqrt{2}\ and\ \ 16\sqrt{2}$

c)

$C.\ \ \ 6\sqrt{2}\ and\ \ 16\sqrt{2}$

d)

$D.\ \ \ 12\sqrt{2}\ and\ \ 16\sqrt{2}$

10.

(AVERAGE) Divide x⁵ - 2x³ + x²- 11 by x-3 and state the remainder.

a)

A. 187

b)

B. 188

c)

c.189

d)

d. 190

11.

What is the formula for the general term of the sequence 8,12,16,20,24,...? (use n as variable)

(a)

12.

(DIFFICULT) Find the value of k if 4x⁷+5x³-2kx²+7k-4 has a remainder of 12 when divided by x+1.

(a)

13.

(DIFFICULT) What is the last digit of 3²⁰¹⁵ ?

(a)

14.

(DIFFICULT) The arithmetic mean of 6 numbers is 17. If two numbers are added to the progression, the new set of numbers will have an arithmetic mean of 19. What are the two numbers if their difference is 4:

(a)

15.

(DIFFICULT) The 2nd and the 30th terms of the arithmetic sequence are 11 and 179. What is the 10th term of the sequence?

(a)

ONLINE QUIZ BEE GRADE 10(JANUARY 2022)

Total questions: 15

Worksheet time: 32mins

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