A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
-7.5, 15, -30, 60, ? , 240
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In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A heavy blow, or the sound of such a blow.
___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.
During uniform motion of an object along a straight line, its ___________ remains constant with time
The __________ uses an addressing scheme known as URL to indicate the location of files on the web.
Every set in the dotted decimal format of IP address is called
Sea water is saltier than rain water because
The method of soil conservation in which bare ground between plants is covered with layer of organic matter like straw is called?