An example of longitudinal waves (in gas as a medium) is ______.
1). heat waves
2). radio waves
3). electromagnetic waves
4). sound waves
A does 30% of a work in 30 days. He then calls in B and they together finish the remaining work in 20 days. How long B alone would take to do the whole
work?
1). 40 days
2). 80 days
3). 120 days
4). 20 days
Select the related word/letters/number from the given alternatives.
VERMIN :? :: ORDERS : ERSORD
1). MNIVER
2). MINERV
3). MINVRE
4). MINVER
What is the equation of the line if its slope is $\frac{3}{4}$ and y-intercept is 5?
1). 3x + 4y = -20
2). 3x + 4y = 20
3). 3x - 4y = -20
4). 3x - 4y = 20
Select the odd word/letters/number/number pair from the given alternatives.
1). 242
2). 431
3). 260
4). 531