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Prime Meridian is a meridian (a line of longitude) in a geographic coordinate system at which longitude is defined to be 0°. It is derived, but differs slightly, from the Greenwich Meridian, the previous standard. Hence, statement 1 is correct. International Date Line (IDL) is an internationally accepted demarcation on the surface of Earth, running between the South Pole and North Pole and serving as the boundary between one calendar day and the next. It passes through the Pacific Ocean, roughly following the 180° line of longitude and deviating to pass around some territories and island groups. It is not a straight line. Hence, statement 2 is incorrect. While crossing International Date Line from east to west, one gains a day. While crossing it towards the east one loses a day. Hence, statement 3 is correct. Tropic of Cancer lies at 23° Latitude N. Hence, statement 4 is correct.
A number is initially raised by 45%, and afterward reduced by 20%. Calculate the net percentage change (whether increase or decre...
If 40% of 70 is x% more than 30% of 80, then find 'x'.
Two numbers are less than a third number by 40% and 46% respectively. Find the percent by which the second number is less than the first.
In a test, P got 28% of total marks and failed by 40 marks while Q got 36% of total marks which is 20 more than passing marks. Find the total marks of t...
'Q' spends 25% of his monthly income on rent, 40% on groceries, and 15% of the remaining amount on entertainment. He saves the rest of the money in a fi...
Income of A is 55% of the Income of B and A together. The saving of B is 32% of his Income and equals to Rs. 8100. Find the difference between the incom...
A trader allows a discount of 18% on the marked price of an article. How much percentage above the cost price must he mark it so as to get a profit of 6...
In an election two candidates participated. 10% voters did not vote. 11(1/9)% votes declared invalid and the winner got 75% of the valid votes. If he wo...
A person "P" allocates 34% of their monthly income to entertainment, 22% to food, 18% to studies, 12% to clothes, and the remainder to traveling. The di...
Ajay spent 36% of his monthly income on rent and 46% of the remaining on food and the rest amount is saved by him which is Rs. 2592, then find the month...