Suryavanshi refers to the ____.
100 surnames were randomly picked from a local directory and the distribution of a number of letters of the English alphabet in the surname was obtained as follows:
Determine the median and mean a number of letters in the surname. Also, find the modal size of surnames
The following pictograph represents some surnames of people listed in the telephone directory of a city. Observe the pictograph and answer the following question: (a) How many people have the surname Roy? (b) Which surname appears the maximum number of times in the telephone directory? (c) Which surname appears the least number of times in the directory? (d) Which two surnames appear an equal number of times?
A circular race track of radius 300 m is banked at an angle of 15 degrees. If the coefficient of friction between the wheels of a race car and the road is 0.2, what is the optimum speed of the race car to avoid wear and tear on its tires ?