What is the probability of getting a sum of 7 when two dice are thrown?

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

16

58

913

35132

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

It is given that two dice are thrown together.
Total numbers of outcomes when throwing n no. of dice together

= 6 n

.
The total number of possible outcomes when throwing two dice together is

n S = 62 = 36

.
The possible outcomes when two dice are thrown simultaneously is, Question Image

Now look for a pair of numbers where the sum is 7.
Favorable cases = (1, 6) (6, 1) (2, 5) (5, 2) (3, 4) (4, 3) that are 6 ways.
Therefore, the required probability is

\frac{Number of favorable cases}{Total number of outcomes} .

P A = 636 = 16

Hence, option 1 is correct.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th

🔥 Start Your JEE/NEET Prep at Just ₹1999 / month - Limited Offer! Check Now!

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

How to Join IIT after 10th