A disease found in persons of over 40 years characterised by poor CNS coordination foregetfulness and tremor of hand is

A disease sometimes found in persons above 40 which is charachterised by poor CNS corrdination, forgetfullness and tremor of hands is

Parkinson's diseases (characterised by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter

A person buys a horse for 15 pounds. After one year, he sells it for 20 pounds. After one year, again he buys the same horse at 30 pounds. What is the overall profit percent for that person over the both the transactions if he again sells the horse for 40 pounds ?

A survey of the local neighbourhood showed that age of 25% of the population was under 12 years and 35% of the population was over 60 years . What is the probability that the age of a person selected at random was between 12 years and 60 years

A survey of the local neighbourhood showed that 15% of the population was under 12 years old and 25% of the population was over 60 years. What is probability that a person selected at random was between 12 years old and 60 years old ?

The average age of a number of persons in a group’ was calculated as 35 years, which was 2.5 years more than the correct average as there was an error in recording the age of two persons as 38.5 years and 40 years instead of 29 years and 22 years respectively. The number of persons in the group was: एक समूह में कुछ लोगों की औसत उम्र की गणना 35 वर्ष की गयी, जो वास्तविक औसत से 2.5 वर्ष अधिक थी, क्‍योंकि दो व्यक्तियों की उम्र 29 वर्ष तथा 22 वर्ष के स्थान पर भूलवश 38.5 वर्ष तथा 40 वर्ष दर्ज कर ली गयी थी | इस समूह में लोगों की संख्या कितनी थी ?