class 10 chapter 12 exercise 12.2 que 10
value of 45 *45 is given wrong please correct it
Question
The diameter of sphere is decreased by 25%. By what percent does its covered surface area decrease?
Events
Sumof 2 dice 2 , 3,4,5,6,7,8,9,10,11,12
Probability 1÷36 5÷36 1÷36
There are 11 outcomes and each probability has probability 1÷11 . Do you agree with argument . Justify your answer.
Sumof 2 dice 2 , 3,4,5,6,7,8,9,10,11,12
Probability 1÷36 5÷36 1÷36
There are 11 outcomes and each probability has probability 1÷11 . Do you agree with argument . Justify your answer.
Show that diagonals of a parallelogram divide it into 4 equal areas of triangles.
Thanks.
Thanks.
Places A and B are 80 km apart from each other on a highway. A car starts from A and
another from B at the same time. If they move in same direction they meet in 8 hours and if
they move towards each other they meet in 1 hour 20 minutes. Find the speed of cars.