An example of longitudinal waves (in gas as a medium) is ______.
1). heat waves
2). radio waves
3). electromagnetic waves
4). sound waves
Select the odd word/letters/number/number pair from the given alternatives.
1). 242
2). 431
3). 260
4). 531
Ajanta Caves is in ______.
1). Maharashtra
2). Himachal Pradesh
3). Karnataka
4). Madhya Pradesh
If cot -4π/3 = x, then the value of x is
1). -1
2). - 1/√3
3). √3
4). 1
Find two numbers such that their mean proportion is 12 and third proportion is 768.
1). 3 and 24
2). 3 and 48
3). 6 and 48
4). 6 and 24