"Astronomer" is the correct one-word substitute as it refers to a person who studies celestial bodies such as stars and planets. (1) Chemist: A chemist studies chemicals and their reactions, which does not relate to the study of stars and planets. (3) Geologist: A geologist studies the Earth and its processes, including rocks and minerals, not celestial objects. (4) Biologist: A biologist studies living organisms and their interactions with the environment, not celestial bodies.
In a train, 45% of the passengers are females. Out of total number of passengers, 65% have unreserved tickets out of which 36% are females. How much per...
Weight of 'B' is 40% more than that of 'A' and 20% more than that of 'C'. Weight of 'A' is approximately how much percent less than that of 'C'?
In an examination, 4 marks are given for each correct answer and 1 mark is deducted for each wrong answer. If a candidate solved 75 questions and got 12...
In 2011, the total population of a village was 5280, Out of which 30% were female. In 2012, the total population increased by 10% in comparison to the p...
In physics examination a student scored 45% marks in the first paper out of 160. How much percent marks should he score in the second paper out of 140 m...
The marks scored by a boy in three subjects are in the ratio 2 : 3 : 5. Boy scored an overall aggregate of 60% in the exam. If the maximum marks in each...
In a recent survey in a city, 60% houses contained two or more persons and rest have only 1 person. Of those houses having only one person, 45% were ha...
A girl spent 10% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 5:4. If the difference of the income ...
The sum of the monthly incomes of ‘A’, ‘B’ and ‘C’ is Rs. 95000 which is 4 times the monthly income of ‘C’. If ‘A’ spends 25% of his...
There are 100 students in a particular class. 55% students play rugby, 30 % play basketball and 15% play both the games. What is the number of students ...
