Three smaller triangles are inscribed from the three vertices of a larger triangle in such a way that each side of each smaller triangle is 2/5 of the side of the adjacent larger triangle. The ratio of the total area of the three smaller triangles to the remaining part of the larger triangle is -
An iron ball weighing 8 kg and an aluminium ball of 3 kg is dropped from a height of 20 m. At a height of 10 m above the ground, which of the following will be the same amount?
There are four numbers in a set. The mean of the three smallest numbers is 19 and the mean of the three largest numbers is 21. What is the range of the set of data?
Four bells ring in a temple at intervals of 12, 16, 24 and 36 minutes respectively. If they are started playing at a continuous interval from 6 o'clock, then when will they play together again?
Which of the following is true about a cup of hot coffee?
A.
It has a measurable amount of thermal energy gained through the work done by the microwave oven, which in turn takes potential energy from the electrical grid.
B.
It has a measurable amount of thermal energy obtained through the work done by the microwave oven, which in turn takes electrical energy from the electrical grid.
C.
It consists of a measurable amount of kinetic energy acquired through the work done by the microwave oven.
D.
It contains a measurable amount of thermal energy obtained through the work done by the microwave oven, which in turn takes chemical energy from the electrical grid.
B. It has a measurable amount of thermal energy obtained through the work done by the microwave oven, which in turn takes electrical energy from the electrical grid.
20.
________ empire was founded by the Sangam princes - Harihara and Bukka-
