Why a b c is a triangle
Question
On one page of a telephone directory, were 200 telephone numbers. The frequency distribution of their unit place digit (for example, in the number 25828573,the unit place digit is 3) is given in the following table:
A coin is tossed 20 times in which head turnup 13 times.what is the probability of getting a tail in the next toss?
Maths
Oct. 20, 2020, 10:36 a.m.
How many small sphere of radius 2cm can be made by melting an iron ball of radius 4cm.
Answer
How many small sphere of radius 2cm can be made by melting an iron ball of radius 4cm.
Maths
Oct. 20, 2020, 10:24 a.m.
Answer
Give reason for curd and sour substance should not be kept in brass and copper vessels