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• Nitrogen (Atomic number -7, Group 15 of the periodic table): • Elemental nitrogen is a colourless, odourless, tasteless and mostly inert diatomic gas at standard conditions. • Nitrogen constitutes 78% by volume of Earth's atmosphere. • Nitrogen occurs in all living organisms. • The non-metals include carbon (C), nitrogen (N), oxygen (O), phosphorus (P), sulfur (S), selenium (Se).
Six people A, B, C, D, E and F sit around a circular table and they are facing the centre, not necessarily in the same order. B sits opposite E and A si...
Which of the following numbers will replace the question mark (?) in the given series?
15, 15, 17, 51, 55, ?
6 boys are sitting on 6 different chairs numbered 1 to 6. A is sitting neither on chair 2 nor on chair 5. F is sitting either on chair 4 or on chair 6....
Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?
(NOTE: Operati...
After interchanging the first and last digits in each of the following numbers, identify the correct sequence of number in the ascending order.
(...
Read the directions carefully and answer the following questions.
Eight ministers A, B, C, D, E, F, G and H are sitting on a bench in two rows,...
Statements:
Some rats are mats.
All mats are ants.
Conclusions:
I. Some rats are ants.
II. Some ants are mats.
Which of the following letter-clusters will replace the question mark (?) in the given series?
YTM, AQQ, CNU, ?, GHC
Select the figure that will come next in the following figure series.
What should come in place of the question mark (?) in the given series based on the English alphabetical order?
EMT, ILX, MKB, QJF, ?