List of practice Questions

If sin x=cot(tan x), then sin 2x is equal to:
The general solution of the equation sin 2x + 2sin x + 2cos x +1 =0 is:
Introducing a boy, a girl said, “He is the son of the daughter of the father of my uncle.” How is the boy related to the girl?
QAR, RAS, SAT, TAU, _ _ _ _
DEF, DEF₂, DE₂F₂, _ _ _ _
Statements: Raman is always successful. No fool is always successful. Conclusions: I. Raman is a fool. II. Raman is not a fool.
Statements: Some desks are caps. No cap is red. Conclusions: I. Some caps are desks. II. No desk is red.
Read the sentence to find out whether there is any grammatical error in it.
Read the sentence to find out whether there is any grammatical error in it.
Choose the correct alternative that will continue the same pattern and replace the question mark in the given series. 3,4,7,7,13,13,21,22,31,34,?
According to the author countrymen should
The proper sequence should be:
The proper sequence should be:
The miser gazed …… at the pile of gold coins in front of him.
I saw a …… of cows in the field.
Read the sentence to find out whether there is any grammatical error in it.
EMBEZZLE
ARROGANT
According to the author, ‘Mentality’ of a nation is mainly product of its
The need for greater understanding between nations
The character of a nation is the result of its
Electrolysis is carried out in three cells:
The equilibrium constant for the disproportionation reaction 2Cu⁺(aq) rightleftharpoons Cu(s) + Cu²+(aq) at 25^∘C (EᶜircCᵤ⁺/Cᵤ=0.52V, EᶜircCᵤ²+/Cᵤ⁺=0.16V) is:
The non-stoichiometric compound Fe₀.94O is formed when x% of Fe²+ ions are replaced by as many (2)/(3)Fe³+ ions. The value of x is:
Al (at. wt. 27) crystallizes in the cubic system with a cell edge of 4.05AA. Its density is 2.7g cm⁻3. Determine the atom unit cell type and calculate the radius of the Al atom.