Question

An English teacher of class V was teaching vowels and consonants in the class. She made 26 flash cards of all the alphabets. She separated the vowel cards from the 26 cards and pasted them on the clipboard and left them in the class after the period. The maths teacher who came in the next period utilized all of them for teaching probability and asked the following questions which need to be answered by you if all 26 cards were used.

i) Which interval has the lowest frequency ?
ii) What is the class size
iii) What is the strength of class VIII-K
iv) What is the class mark of interval 30-40.​

Answer 1

Answer:

I) 30-40

ii) 45

iii) 46

iv) 10