Question
‘International Dark - Sky Week(IDSW)’ is observed
on?Solution
International Dark Sky Week is held during the week of the new moon in April, when people worldwide may turn off their lights to observe the beauty of the dark sky by switching off the lights as they create negative energy and feel the night. This week is observed under the International Dark-Sky Association.
((99.9 - 20.9)² + (99.9 + 20.9)² )/(99.9 x 99.9 + 20.9 x 20.9) = ?
... `sqrt(sqrt(6+sqrt(6+sqrt(6)) ... prop)`  = ?
If x = 15
find x 5 - 16 x 4 + 16 x 3 - 16 x 2 + 16 x  - 16 = ?
If (a + b) = 7 and ab = 11, then find the value of (a² + b²).
√(92×8 ×52+700) = ?
Solve the system:
x + 2y = 13
3x − y = 5
What is the value of 2x + y?
If [x + (1/x)] = 3, find [x2 + (1/x2)].
(15 x 15 x 15 + 8 x 8 x 8)/(15 x 15 -15 x 8 + 8 x 8) = ?
If (x+1/x)2 = 3 Then the value of
x96 + x66 + x42 + x18 + x12 + 1 is
Find the number of zeroes in 24 Ă— 50 Ă— 64 Ă— 15.
