Questions

An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is

The number of valence electrons in an atom of Phosphorous is

In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:

I. Some pens are pencils.
II. All pencils are erasers.

Conclusions:

I. Some pens are erasers.
II. No pens are erasers.
III. Some erasers are pencils

A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X1, in the first 10 s and distance X2 in the remaining 10 s, then which of the following is true?

Prime Minister Narendra Modi has released two commemorative coins of denominations Rs. 125 & Rs. 10 as a mark of tribute to whom?

Which aircraft carrier was formally inducted into the Indian Navy by Prime Minister Narendra Modi in the year 2014?

Chinese spacecraft Chang’e 5 has returned to the Earth, carrying samples from which astronomical body?

Which part of the brain regulates breathing?