OC Logical Thinking and Problem Solving

Question 1

If all Blips are Blaps, and all Blaps are Blops, which statement must be true?

Accepted Answer

All Blips are Blops

Answer

Since Blips→Blaps and Blaps→Blops, by transitivity all Blips must also be Blops.

Question 2

A clock shows 3:45. What angle do the minute and hour hands make?

Accepted Answer

157.5°

Answer

At 3:45 the minute hand is at 270° and the hour hand is at 3×30 + 45×0.5 = 112.5°; difference = 270 − 112.5 = 157.5°.

Question 3

If you fold a square piece of paper in half twice and cut a small triangle from the folded corner, how many triangles appear when unfolded?

Accepted Answer

4

Answer

Folding twice creates 4 layers, so one cut through all layers produces 4 triangles when unfolded.

Question 4

Anna is taller than Ben. Ben is taller than Clara. Who is the shortest?

Accepted Answer

Clara

Answer

Anna > Ben > Clara, so Clara is the shortest.

Question 5

Five students sat in a row. Mia sat between Tom and Zoe. Tom sat at one end. Where did Zoe sit?

Accepted Answer

Next to Mia

Answer

Since Tom is at one end and Mia is between Tom and Zoe, Zoe must be next to Mia (in the 3rd position).

OC - Opportunity Class Test Practice Test