The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?
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The force ultimately responsible for mass movement
Select the odd word/letters/number/number pair from the given alternatives.
X is 25% more efficient than Y. If Y alone can make a chair in 10 days, then X alone can make the chair in how many days?
In a certain code language, “FRAK” is written as “35” and “MALT” is written as “45”. How is “TRIM” written in that code language?
Find the total surface area (in cm2 ) of a hemisphere of diameter 42 cm.
In the following question, out of the four alternatives, select the word opposite in meaning to the word given.Refulgent
The first Asian city to host Summer Olympics was _________ .