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To find the total number of students in the class, you can add Alok's rank from the top and his rank from the bottom and then subtract 1 (to avoid counting Alok twice since he is counted both from the top and the bottom). So, Total number of students = Rank from top + Rank from bottom - 1 Total number of students = 19 + 38 - 1 = 57 - 1 = 56
Which is the best fire-extinguisher?
A mixture of carbon monoxide and hydrogen is known as ______
Which of the following has the lowest ionization enthalpy?
Which metal remains liquid at room temperature?
Magnesium oxide (MgO) + Water (H2O) = ?
Match the following
Alkali metals have ______.
I. low melting points
II. low densities
Which of the following isotope of hydrogen is radioactive in nature?
Marble is a metamorphic rock of:
Newton's first law of motion gives the concept of –