Question
Red light is used for signals because it has
–Solution
Red is the international colour of stop signs and stop lights on highways and intersections because it is scattered the least by air molecules. The effect of scattering is inversely related to the fourth power of the wavelength of a colour. Red has the highest wavelengthofallthecoloursandisabletotravel the longest distance through fog, rain, and the alike.
In a certain code language, ‘4378’ is coded as ‘IDOL’ and ‘7832’ is coded as ‘IDLE’. What is the code for ‘2’ in that code language?...
Select the set in which the numbers are related in the same way as are the numbers of the following set. (NOTE: Operations should be performed on the wh...
Choose the correct water-image, from the given alternatives:
In a certain language, if '+' means 'subtraction', '×' means 'division', '÷' means 'addition', and '–' means 'multiplication', then find the value o...
Select the option in which the given figure is embedded. (Rotation is NOT allowed.)
Select the number from among the given options that can replace the question mark (?) in the following series.
3, 16, 51, 104, ?
Read the directions carefully and answer the following question.
Eight friends A, B, C, D, E, F, G and H are sitting around a circular table, f...
Statement: There is a large increase in migration of villagers to urban areas as repeated crop failure has put them into financial problems.
Co...
If BANKER is coded as CAMKFR, then how would INDIAN be coded?
In a certain code language,
A + B means ‘A is the son of B’,
A − B means ‘A is the sister of B’,
A × B means ‘A is t...
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