Question
The height of a geo-stationary satellite from the
Earth's surface is approximately :Solution
A geostationary orbit is a circular orbit 35,786 kilometres above the Earth's equator and following the direction of the Earth's rotation. Communications satellites and weather satellites are often given geostationary orbits, so that the satellite antennas that communicate with them do not have to move to track them, but can be pointed permanently at the position in the sky where they stay.
In a certain code language, 'COBBLESTONES' is written as 'BBOCTSELSENO', and 'SATISFACTORY' is written as 'ITASCAFSYROT'. How will 'TACHYCARDIAS' be wri...
Which of the following numbers will replace the question mark (?) in the given series?
68, 77, 89, 105, ?, 153
Five friends Pooja, Bhawna, Charu, Geeta and Hema are sitting around a circular table facing towards the centre. Charu is not the immediate neighbour of...
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which th...
In this question, a group of letters is coded using numbers/symbols as per the table given below and the conditions which follow. The correct combinatio...
âEntertainmentâ is related to âTelevisionâ in the same way as âWarmthâ is related to â______â.
Two statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance w...
Statements:
All notebooks are stationeries.
Some stationeries are pencils.
All pencils are costly.
Conclusions:
I...
What should come in place of the question mark (?) in the given series?
18, 74, 298, 1194, 4778,?
Seven people, U, M, K, G, B, R and D are sitting in a straight line, facing south. Only two people sit to the left of B. M sits third to the right of G....
