In which year was the Doppler effect discovered by Austrian scientist Christian Doppler, that describes the change in frequency of any kind of sound or light wave produced by a moving source with respect to an observer?
The correct answer is C
Find the ratio of number of Green apples sold by ‘P’ and ‘S’ respectively.
Find the ratio of the number of mangoes and bananas sold by shopkeeper B to that of total number of fruits sold by shopkeeper C.
Find the ratio between total Chocolate cookies baked on Sunday and Monday together to Butter cookies baked on Monday and Tuesday together.
What is the average of number of male employees who are unmarried and number of female employees who are married?
Number of males of tribe Raba is what percentage more than the number of males of tribe Dimasa?
If ratio of male to female in Operation is 5:3, then total male employees in Operation are what percent of total employees in HR?
Find the average number of Butter cookies baked on Monday, Tuesday and Wednesday together.
The number of Butter cookies baked on Wednesday is how much % of the total number of Chocolate cookies baked on all days?
Total number of students who play exactly 1 more game along with Cricket are how much more or less than total number of students who play exactly 2 mor...
What is the difference between the number of students participated from school C and the number of girls participated from school A and B together?