Which city received Indias first UNESCO Heritage City Certificate in September 2017?

Who has won the Indias 46th (Grandmaster Chess Champion Tournament-2017?

Match the following :
Deficiency diseases
(a) A 1.Pellagra
(b)B$_1$ 2.Nictalopia
(c)B$_6$ 3.Pernecious Anaemia
(d)B$_{12}$ 4.Beri Beri

Which of the following pairs are incorrect?
I.Chloroflurocarbons-Refrigerators
II.Methane-Ploughing of fields
III.Nitrous oxide-Enteric fermentation in cows
IV. Carbon dioxide-Burning of fossil fuels

The respiratory quotient of glucose in anaerobic respiration is

The value of e° is

How many solutions have a linear equation in one variable?

The 7th term of the sequence 0.12, 0.012, 0.0012 ...... is

Simplify:
$\dfrac{9}{8}\div\dfrac{3}{5}of(\dfrac{3}{4}+\dfrac{3}{5})$

A sum of money triples itself at 8% per annum over a certain time. The time taken is