NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 3: Data Handling - Problems and SolutionsQuestion 56
Class 7 - Mathematics - Unit 3: Data Handling - Problems and Solutions
Question. 56
Following cards are put facing down: A, E, I, O, U. What is the chance of drawing out
(a) a vowel
(b) A or I
(c) a card marked U
(d) a consonant
Answer:
(a) 1
(b) 2/5
(c) 1/5
(d) 0
Detailed Answer with Explanation:
(a) All 5 are vowels → probability = 5/5 = 1.
(b) A or I → 2/5.
(c) U → 1/5.
(d) No consonant present → 0.