Question
The phenomenon of light associated with the appearance
of blue colour of the sky is –Solution
During daylight, the sky appears tobebluebecauseairscattersbluesunlightmore than it scatters red. At night, the sky appears to beamostlydarksurfaceorregionscatteredwith stars. Except for light that comes directly from thesun,mostofthelightinthedayskyisaresult of scattering, which is dominated by a small- particle limit called Rayleigh scattering.
Select the correct combination of mathematical signs that can sequentially replace ‘*’ sign and balance the equation given below.
82 * 28 * 7...
If x stands for ‘addition’, ÷ stands for ‘subtraction’, + stands for ‘multiplication’, and – stands for ‘division’, then 80 x 54 –...
If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression?
912 - 8 + 211 X 14 ÷...
Select the correct combination of mathematical signs to replace the * signs and balance the given equation.
5 * 15 * 320 * 2 * 45 = 190
If 236 = 33, 487 = 57, 6391 = 57, then 851 = ?
Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.
22 @ 6 @ 18 @ 17 @ 2
- Which two signs are to be interchanged to make the given equation correct?
132 + 14 ÷ 11 - 84 X 72 = 156 Select the correct combination of mathematical signs that can sequentially replace ‘*’ sign and balance the equation given below.
42 * 18 ...
If ‘÷’ means ‘addition’, ‘+’ means ‘subtraction’, ‘-’ means ‘multiplication’, and ‘x’ means ‘division’, what will be th...
Which two digits and signs can be interchanged so as to balance the given equation?
406- 102 + 128 X 5 ÷ 58 = 545
