SSC CGL · Syllogisms — Valid or Invalid

Exercise and reference answers

Items

1. Item

   All cats are animals. All animals breathe. So all cats breathe.

   Answer

   left

2. Item

   Some pens are blue. All blue are colours. So some pens are colours.

   Answer

   left

3. Item

   All birds fly. Penguins are birds. So penguins fly.

   Answer

   right

4. Item

   All squares are rectangles. So all rectangles are squares.

   Answer

   right

5. Item

   All metals conduct. Copper is a metal. So copper conducts.

   Answer

   left

6. Item

   Some boys are smart. All smart go to school. So all boys go to school.

   Answer

   right

Categories

Left

Valid

Right

Invalid

Instructions

Swipe each syllogism: logically valid or invalid?