Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Please solve RD Sharma class 12 chapter Probability exercise 30.1 question 1 maths textbook solution

Please solve RD Sharma class 12 chapter Probability exercise 30.1 question 1 maths textbook solution

Answers (1)

Answer:

 \frac{4}{7}

Hint:

 Use Formula

\text { Probability }=\frac{ \text { No. of events }}{\text { Total no. of events }}

Given,

ten cards in a box.

So, let

Total no. of cards,

S = { 1,2,3,4,5,6,7,8,9,10 }

Consider the given events,

   A       =   Total even no. appears on the card

B       =    No. from cards which is always more than 3

Therefore,

  A         =  { 2,4,6,8,10 }

  B          =  { 4,5,6,7,8,9,10 }

Now,

A \cap B = { 4,6,8,10 }

 Therefore,

Probability that card drawn in even no.

\begin{aligned} &P(A\mid B)=\frac{ \text { No. of elements of }A\cap B}{\text { Total no. of cards more than 3 }}\\ &\qquad \qquad=\frac{4}{7} \end{aligned}

Posted by

Gurleen Kaur

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

PM Modi's Pariksha Pe Charcha 2025 to be held next month, registrations open till January 14
anam-khan

CBSE Board Exams 2025: Online portal for availing exemptions by CWSN students opens
anam-khan

Board Exams: States agree to equivalence; no question paper ‘jumbling’ from next year, says PARAKH CEO

Latest Question