Question
Sir, I am not able to understand 11th class NCERT example 21 (ii) why my solution is wrong that goes:
Select one girl,then select one boy,then select 3 students from 9 i.e. 4x7x(9c3)
A die is thrown 100 times and the outcomes are recorded as follows :
Outcomes: 1 2 3 4 5 6
Frequency: 25 20 12 18 15 10
If the die is thrown once again, what is the probability of getting:
Outcomes: 1 2 3 4 5 6
Frequency: 25 20 12 18 15 10
If the die is thrown once again, what is the probability of getting:
- Even number
- Prime number
PQRTS is a Pentagon. A line through T meets QR prouduced in U such that SR || UT. Show that ar(PSUQ)=ar(PQRTS)
why cotA and cosecA change each other
Perimeter of rectangle field is 160 m. If length is 80 m then find breadth.
If two chords AB and CD of a circle AYDZBWCX intersect at right angles. Prove that arc CXA arc DZB=arcAYD arcBWC=semicircle
reshma salma mandip are standing in a 5 centimetre radius circle distance of Reshma to Salma 6 centimetre and Salman to mandeep 6 centimetre find the distance between Reshma and Mandeep
