Trivia On Math

1) Which is an algebraic expression for eighty-nine times a number?

89/n

N+89

89n

89+89

2) Which is an algebraic expression for seven times a number?

7/n

N

7n

45/7n

3) Which is an algebraic expression for the quotient of ten and a number?

N10

10/n

10n

2-Oct

4) What is the only even prime number?

2

8

6

4

5) If X=7 and N=3, which expression is the greatest?

7X + N

N+X

7N +X

N+N+7

6) Which of these relates best to minuend?

Subtraction

Plus

Total

Annex

7) If you attend school for 6.5 hours each day, approximately what percent of your day is spent at school?

25%

7

27%

65%

8) What are the first 3 terms of a geometric sequence that has a 1st term of 1 and a common ratio of 2?

1, 4, 16

1, 2, 4

2, 4, 8

1, 1/2, 1/4

9) Which is an algebraic expression for five times a number?

5n

.5n

2n

5/n

10) What is the closest fractional approximation to the irrational number pi?

100/3

22/7

61/4

3-Jan

11) Which of the following sets of numbers are considered Pythagorean triples?

5,6,7

2,4,6

3,4,5

1,2,3

12) Which of the following is not part of the definition of a group?

The Law Of Composition Is Commutative [ Ab = Ba ]

The Law Of Composition Is Associative [ A(Bc) = (Ab)C ]

Every Element Has An Inverse

There Is A Unique Identity

13) How do you find the surface area of a cone including the base?

3.142 X Radius Of Cone X Radius Of Cone

3.142 X Radius X Diagonal Height Of Cone

2 X 3.142 X Radius Of The Cone

None Of The These

14) What was the symbol of the Pythagoreans?

E=Mc2

A+B=C

A Pentagram In A Circle

A "P" Surrounded By A Circle Of Seven Dots

15) A number is divisible by 8 if?

The Sum Of Its Digits Is Divisible By 8

All The Digits Are Even

The Last Two Digits Are 00 Or Divisible By 8

The Last 3 Digits Are 000 Or Are Divisible By 8