Consider the letters of English alphabets, A to Z. List among them the letters which have (b) horizontal lines of symmetry (like B)

Consider the letters of English alphabets, A to Z. List among them the letters which have (a) vertical lines of symmetry (like A)

Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.

A letter is chosen from English alphabet. Find the probability of the letters being a) A vowel b) a letter that comes after P c) A vowel or a consonant d) Not a vowel

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about: a horizontal mirror

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about: both horizontal and vertical mirrors

Ten different letters of an alphabet are given . Words with five letters are formed from these given letters. Then the number of wards which have at least one letter repeated is :

On a squared paper, sketch the following: (b) A quadrilateral with both horizontal and vertical lines of symmetry. (Hint : It will be if you first draw the lines of symmetry and then complete the figures.)

State whether the followmg sets are finite or infinite. (i) The set of months in a year. (ii) {1,2,3, ..., 99, 100) (iii) The set of prior numbers smaller than 99. (iv) The set of letters in the English alphabet. (v) The set of lines that can be drawn are parallel to the X-Axis (vi) The set of numbers which are muitiplies of 5. (vii) The set of circles passing through the origin (0,0).

Ten different letters of alphabet are given. Words with five letters are formed from these give letters.Then the number of words which have at least one letter repeated, is :

The different letters of alphabet are given words with five letters are for med from these give letters . The number of word which have at least one latter repeated is :