Start learning 50% faster. Sign in now
"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.
The perimeter of a rectangular field is 22 metres and its area is 20 m^2 . What is the length of the diagonal of this field?
B invests 30% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
The length of a rectangle is 5 metres more than its width. If the perimeter of the rectangle is 62 metres then what is the area (in m2 ) of ...
If the numerical value of twice the curved surface area of a right circular cylinder is equal to the numerical value of its volume, then what is the num...
The perimeter of a rhombus is 60 m and its height is 5 m. Its area is:
Perimeter of a square field is 100 meters and the area of a rectangular field is 60% more than that of the square field. Find the area (in m2...
Find the area of the triangle ABC. Where AC=17cm, AB=15cm, BC=8cm
Radius of a cylindrical vessel is 3cm less than breadth of rectangle, while height of cylindrical vessel is equal to length of rectangle, whose area is...
The area of four walls of a room is 160 cm2. If the length and breadth of the room were equal and the height of the room is 5 cm, then what i...
The length of a rectangle is twice its breadth. If its length is decreased by 6 cm and breadth is increased by 6 cm, the area of the rectangle is increa...