If $$ A = {1\over 2}+{1\over 3}×{1\over 4}÷{1\over 5}-{1\over 6}$$ and $$B={1\over 2}÷{1\over 3}×{1\over 4}+{1\over 5} $$ , then what is the value of A - B?

Which word in the given sentence is the ANTONYM of - susceptible?

The president claimed he was immune from prosecution.

If P denotes ‘×’, Q denotes ‘÷’, R denotes ‘+’ and S denotes ‘−’, then what will come in place of ‘?’ in the following equation?
 (40 Q 4) P 5 R (3 P 6) S (7 P 8) R 21 =?

Directions: In these questions, a relationship between different elements is shown in the statements. The statements are followed by two conclusions. Give answer 

Statement
 J > K ≥ H = U ≥ B ≤ T < F ≤ R

Conclusion
 I. J > B
 II. H < R

if $$ sinA= {4\over 5}$$, then what is the value of $$sin^2A$$

Four clusters have been given out of which three are alike in some manner and one is different. Select the one that is different.

Option

Find the value of the given expression.

$$ \sqrt { 20-{ \sqrt { 20- \sqrt { 20- \sqrt { 20- .....∞}}}}} $$

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. 9x² – 3x – 2 = 0
II. y² – 8y + 16 = 0