CBSE > Class 11 > Mathematics | CBSE Board | Homework Help

Ask questions which are clear, concise and easy to understand.

Ask Question

The probability that birthday of six different persons will fall in exactly two calendar months is

Posted by Ayansh Kharya 3 years, 9 months ago

1 answers

Megha Desai 3 years, 9 months ago

No. Of possible months of a single person =12 Possible ways for 6 people = 12^6 Birthday falls in two calendar months=(choose 2 months from 12 months & put all 6 persons into any of the month - the case when all 6 people get into single month) 12C2 (2^6 -1) Therefore required probability is 12C2 (2^6 -1)/12^6

0Thank You

ANSWER

When x is an integer -12x>30

Posted by Ashish Gujjar 3 years, 9 months ago

CBSE > Class 11 > Mathematics

4 answers

Sneha Mishra 3 years, 9 months ago

(-infinite,-3]

2Thank You

Ishika Jain 3 years, 9 months ago

(-infinte,-3]

0Thank You

Ishika Jain 3 years, 9 months ago

(-infinte,5/2]

0Thank You

Ruransh Mittal 3 years, 9 months ago

-3

0Thank You

ANSWER

find the number of permutations of the letters of the word hyderabad

Posted by Ajay Kumar 3 years, 9 months ago

CBSE > Class 11 > Mathematics

1 answers

Demon King 3 years, 8 months ago

9p7

2Thank You

ANSWER

Differentiate Log [x + (x^2 + a^2 )^1/2]

Posted by Vanshika Bansal 3 years, 9 months ago

CBSE > Class 11 > Mathematics

2 answers

Ashish Gujjar 3 years, 9 months ago

Can you make my friend

0Thank You

Ashish Gujjar 3 years, 9 months ago

Hi vansika

3Thank You

ANSWER

Hii everyone

Posted by Dhoni Aryan 3 years, 8 months ago

CBSE > Class 11 > Mathematics

2 answers

Ronita 🤟 3 years, 8 months ago

Hlw. Dhoni Aryan

0Thank You

Ƙ♬⩏Ʀ ¢Ϧ♬Ϧ♬ɭ 3 years, 9 months ago

hlo

0Thank You

ANSWER

2.137 and bar above 7

Posted by Ritik Negi 3 years, 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the value of tan 13π/12.

Posted by Piyush Ranjan 3 years, 9 months ago

CBSE > Class 11 > Mathematics

1 answers

Ritik Negi 3 years, 9 months ago

3Thank You

ANSWER

Find the derivative of sinx

Posted by Amanjot Singh 3 years, 9 months ago

CBSE > Class 11 > Mathematics

1 answers

Pritika Yadav 3 years, 9 months ago

Cosx

0Thank You

ANSWER

How to construct a parabola using cardboard and paper

Posted by Sumit Chand 3 years, 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the derivative of xcosx..

Posted by Nishtha Kaushik 3 years, 9 months ago

CBSE > Class 11 > Mathematics

1 answers

Anshika Patel 3 years, 9 months ago

Cosx - xSinx

7Thank You

ANSWER

Three men have 4coats,5 waistcoats and 6 caps. In how many ways can they wear them?

Posted by Harshal Joshi 3 years, 9 months ago

CBSE > Class 11 > Mathematics

2 answers

Demon King 3 years, 8 months ago

4!×5!×6!

0Thank You

Anshika Patel 3 years, 9 months ago

(4×3×2)(5×4×3)(6×5×4)

1Thank You

ANSWER

A polygon has 65 diagonals then find the number of its sides?

Posted by Harshal Joshi 3 years, 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

i37+1/i67

Posted by Niyaz Ahmad Khan 3 years, 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the equation of a circle with centre (a,a) and radius √2

Posted by Anik Gupta 3 years, 9 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Find the differential coefficient of the following: 4x¹/⁴

Posted by Pragati Sourashtriya 3 years, 10 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

If f(x) equal x/x+1, where x does not equals -1,then f(x) will be

Posted by Sanjai Kumar Sivakumar 3 years, 10 months ago

CBSE > Class 11 > Mathematics

3 answers

Prithvi Am 3 years, 9 months ago

Infinity

1Thank You

Ajmeera Triveni 3 years, 10 months ago

Or else 1/0 is not defined

0Thank You

Ajmeera Triveni 3 years, 10 months ago

Infinity

2Thank You

ANSWER

What is union sets

Posted by Dev Garg 3 years, 10 months ago

CBSE > Class 11 > Mathematics

3 answers

Prakash Chand Yadav 3 years, 10 months ago

Union means to unite ... Combination of two sets.. And if any element is common..You have to write only once.

1Thank You

Prislankiya Rai 3 years, 10 months ago

Let us suppose two sets- Set (A)= {1,2,3} Set (B)= {6,7,8} Then Union of set (A) and set (B) could be written as- A U B = {1,2,3,6,7,8} ?I hope it will help you to understand!!

1Thank You

Armaandeep Singh 3 years, 10 months ago

If you have 2 sets A and B union is that you have to write them in a single set by writing all the number in the set . If the numbers repeate write them once only

1Thank You

ANSWER

What is the probability that two friends will have the same birthday in the month of March?

Posted by Karan Karan 3 years, 10 months ago

CBSE > Class 11 > Mathematics