class 9 mcq maths

The no. of rational numbers that exist between any two rational numbers, is : 1. finite 2. infinite 3. zero 4. one

The set of irrational numbers is : 1. a finite set 2. an infinite set 3. a null set 4. a singlaton set

Which of the following are irrational numbers? 1. All non-terminating and non-repeating decimals 2. All terminating but recurring decimals 3. All terminating decimals 4. 2 & 3

If the area of a square shaped house site is 1225 sq.mts, then its perimeter, is? 1. 1400 decimeters 2. 14 meters 3. 14000 millimeters 4. 1400 meters