what is prime and fraction and decimal

Question : If the numerator of a fraction is increased by 140% and the denominator of the fraction is decreased by 20%, the resultant fraction is $\frac{12}{7}$. Find the original fraction.

Option 1: $\frac{4}{9}$

Option 2: $\frac{4}{7}$

Option 3: $\frac{7}{6}$

Option 4: $\frac{8}{9}$

Question : The sum of twice a fraction and its reciprocal is $\frac{17}{6}$. What is the fraction?

Option 1: $\frac{4}{3}$

Option 2: $\frac{5}{4}$

Option 3: $\frac{3}{4}$

Option 4: $\frac{4}{5}$

Question : If the Prime Minister of India submits his resignation to the President, it will mean the resignation of the :

Option 1: Prime Minister only 

Option 2: Prime Minister and the Cabinet Minister

Option 3: Entire Council of Ministers

Option 4: Prime Minister, Cabinet Ministers and the Speaker

Question : What is the average of all prime numbers between 30 and 50?

Option 1: 36.5

Option 2: 39.8

Option 3: 38.5

Option 4: 34.2

Question : The product of all the prime numbers between 80 and 90 is:

Option 1: 83

Option 2: 89

Option 3: 7387

Option 4: 183