CBSE Class 10 Maths (Standard) 2024 · Paper 30/1/1 · Question 37

Statistics 4 marks Medium

BINGO is game of chance. The host has

75

balls numbered

1

through

75

. Each player has a BINGO card with some numbers written on it. The participant cancels the number on the card when called out a number written on the ball selected at random. Whosoever cancels all the numbers on his/her card, says BINGO and wins the game. The table given below, shows the data of one such game where

48

balls were used before Tara said 'BINGO'. Based on the above information, answer the following :

Numbers announced before Tara said BINGO (48 balls)
Numbers announced	Number of times
0-15	8
15-30	9
30-45	10
45-60	12
60-75	9

iWrite the median class.[1]
iiWhen first ball was picked up, what was the probability of calling out an even number?[1]
iii (a)Find median of the given data.[2]
iii (b)[OR] Find mode of the given data.[2]

Answer

(i) The median class is

30

–

45

; (ii)

P (even) = \frac{37}{75}

; (iii)(a) Median

= 40.5

; OR (iii)(b) Mode

= 51

🔒 Step-by-step solution

From the board paper

CBSE Class 10 Maths (Standard) 2024 · Paper 30/1/1, Question 37 — all 38 questions with answers →

CBSE Class 10 Maths (Standard) 2024 · Paper 30/1/1 · Question 37

Answer

From the board paper

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