Interpersonal Thinking - Family Edition
Problem Solving
Math Riddles
Academic Mathematics
World Cupsâš½
100

A family is going camping and the father insists he does not need directions in order to reach the campsite. After 3 wrong turns, he says "I just wanted to see more of the area".  What is the strongest inference? A.He deliberately took the scenic route B.He enjoys being lost C.He is protecting himself from embarrassment   D.He dislikes maps

C.

100

The perimeter of a yard is 48m. If its length is three times its width, what is the width of the yard?

Width=6m  Length=18m

100

What is the slope of the line perpendicular to the graph of the equation ½x + ⅓y = 12 ?

â…”

100

Which country has won the most FIFA World Cup titles? (+50 for number of times. Double points for the years)

Brazil - 5 times. 1958, 1962, 1970, 1994, 2002

200

A sister says "If nobody wants the last slice, I'll take it." Three people immediately reach for it. What does this most likely suggest? A. Nobody wanted the slice  B. The sister was manipulating the family  C. The slice became more appealing when its availability seemed threatened.  D. The family dislikes sharing 

C.

200

Two different families purchased tickets to watch a movie.
A family with two adults and two children paid €33 for their movie tickets.
Another family with one adult and three children paid €27.50 for their movie tickets.
What was the cost of an adult ticket and a child ticket?

Adult ticket = €11  Child ticket = €5.50

200

Find angle x

23°

200

Which country in what year hosted the first ever FIFA World Cup?

Uruguay;1930

300

What is Nora's average speed on her way home if she drives halfway at 45 km/hr then bikes the rest of the journey at 15 km/hr ?

22.5 km/hr

300

In a knockout chess tournament involving 10 players, what is the total number of games
that must be played to produce a winner? (Assume that a game cannot end in a draw.) +100 for no. of games needed to find 1st 2nd and 3rd place

9 games for a winner 10 games for 1st 2nd 3rd place

300

Which goalkeeper famously kept five clean sheets and only conceded two goals during Italy's 2006 World Cup triumph?
A) Gianluigi Buffon  B) Iker Casillas  C) Oliver Kahn
D) Fabien Barthez

A) Gianluigi Buffon

400

Michael has eight drinking glasses all of different sizes. He ordered them from smallest (1) to largest (8). He knows that glass 4 holds 10 centilitres and glass 7 holds 16 centilitres. After experimenting with the different glasses using water, Michael deduces the following:

Pouring water from glasses 1 and 2 fills 4 exactly. Pouring water from glasses 1 and 3 fills 5 exactly. Pouring water from glasses 1 and 5 fills 7 exactly. Pouring water from glasses 1 and 7 fills 8 exactly. Pouring water twice from glass 3 fills 7 exactly. Pouring water twice from glass 4 fills 8 exactly.

How much water does glass 5 hold?

12 centilitres

400

How much time was taken to score the fastest goal in a World Cup match? (Was scored by Hakan Şükür against South Korea in the 2002 World Cup; +100 for country)

11 seconds

500

The 2026 World Cup 48-team format requires massive travel across three countries. Which nation travels the least total miles during the group stage, and which debutant nation travels the most miles—covering slightly more than ten times the distance?

Least Miles: Mexico (625 miles)  Most Miles: Curaçao (6,285 miles)

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