Challenger App

In the following diagram, the 'hexagon' stands for 'engineers', the 'circle' stands for 'music lovers', and the 'rectangle' stands for 'morning walkers'. The numbers given in the different segments represent the number of persons of that category.

How many morning walkers are music-lovers but are NOT engineers?

Three statements are given, followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

1. All tigers are lions.

2. No cat is lion.

3. Some jaguars are cats.

Conclusions:

I. Some jaguars are lions.

II. No jaguar is tiger.

III. Some lions are tigers.

Three statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

Some purses are keys.

All lockers are keys.

All keys are pins.

Conclusions:

I. Some pins are purses.

II. No pin is a purse.

Select the Venn diagram that best represents the relationship between the following classes.

Mango, Fruit, Banana