Science (English Medium) कक्षा ११ - CBSE Question Bank Solutions

Find the component statements of the following compound statements.

Two lines in a plane either intersect at one point or they are parallel.

Find the component statements of the following compound statements.

A rectangle is a quadrilateral or a 5-sided polygon.

Write the component statements of the following compound statements and check whether the compound statement is true or false.

57 is divisible by 2 or 3.

Write the component statements of the following compound statements and check whether the compound statement is true or false.

24 is a multiple of 4 and 6.

Write the component statements of the following compound statements and check whether the compound statement is true or false.

All living things have two eyes and two legs.

Write the component statements of the following compound statements and check whether the compound statement is true or false.

2 is an even number and a prime number.

Translate the following statements into symbolic form

Rahul passed in Hindi and English.

Translate the following statements into symbolic form

x and y are even integers.

Translate the following statements into symbolic form

2, 3 and 6 are factors of 12

Translate the following statements into symbolic form

Either x or x + 1 is an odd integer.

Translate the following statements into symbolic form

A number is either divisible by 2 or 3.

Translate the following statements into symbolic form

Either x = 2 or x = 3 is a root of 3x 2 – x – 10 = 0

Translate the following statements into symbolic form

Students can take Hindi or English as an optional paper.

Write down the negation of following compound statements

All rational numbers are real and complex.

Write down the negation of following compound statements

All real numbers are rationals or irrationals.

Write down the negation of following compound statements

x = 2 and x = 3 are roots of the Quadratic equation x² – 5x + 6 = 0.

Write down the negation of following compound statements

A triangle has either 3-sides or 4-sides.

Write down the negation of following compound statements

35 is a prime number or a composite number

Write down the negation of following compound statements

All prime integers are either even or odd.

Write down the negation of following compound statements

|x| is equal to either x or – x.