FREE IB Mathematics Questions and Answers

Question 1

Which of the following right angle trigonometric functions is incorrect?

Accepted Answer

Secant = 1/sine

Answer

Cotangent = 1/tangent

Answer

Cosecant = 1/sine

Answer

All of the above

Question 2

Theoretically, an observation is characterized as having a weight equal to _____ to its variance (standard error squared).

Accepted Answer

Inversely proportional

Answer

Equal

Answer

Proportional

Answer

None of the above.

Question 3

Since Paul expects 9% returns, how long will it take for his $37,353 investment to double?

Accepted Answer

9.5 years

Answer

9 years

Answer

5 years

Answer

8 years

Question 4

What is the greatest approach to bear in mind when coming up with answers to market-sizing questions?

Accepted Answer

Estimate and round numbers whenever possible.

Answer

Pick odd numbers that aren’t related to each other in any way.

Answer

Be sure to use exact numbers at all times.

Answer

Go slow and be as methodical as possible.

Question 5

12 softballs may be produced by Jane's Softball Production Company in one hour. How many softballs can they make in a day and a half?

Accepted Answer

168

Answer

150

Answer

154

Answer

160

Question 6

Over the previous week, sales for Seven/Twelve have totaled $4 million. What were the daily sales on average?

Accepted Answer

$571,000

Answer

$589,000

Answer

$552,000

Answer

$518,200

Question 7

How many minutes does it take a car traveling at 200 km/h to cover 60 km?

Accepted Answer

18 minutes

Answer

22 minutes

Answer

20 minutes

Answer

3 1/3 hours

Question 8

Miller's Auto Shop generated $460,000 in gross sales the previous year. Their gross sales climbed astonishingly this year by 25%. How much money was made this year in total?

Accepted Answer

$575,000

Answer

$550,000

Answer

$525,000

Answer

$560,000

Question 9

The town of Homeville saw an increase in population last year of about 0.5%. What was the approximate population at the end of the year if there were 2,460 people living there at the start of the year?

Accepted Answer

2,472

Answer

2,960

Answer

2,510

Answer

2,465

Question 10

A whole deck of playing cards without jokers is used to draw one card for each round of the game. The gambler doubles his bet if the card is a club or a queen. If not, the dealer keeps the cash. How much better in this game are the odds for the dealer?

Accepted Answer

38% better

Answer

44% better

Answer

32% better

Answer

50% better