From the data given below the Laspeyre's price index for the year 2016 with year 2010 as base year is

Commodity	Price year 2010	Price year 2016	Quantity Year 2010	Quantity Year 2016
A	1	2	10	13
B	5	10	12	16
C	6	10	15	18

For the given five values, 13, 17, 21, 25, 35, the three years moving averages are:

The price index of sugar in 2019 compared to 2016 is 120. If the cost of sugar was Rs.25 per kg in 2016 then the cost in 2019 is:

Irregular variations in a time series are caused by:

A. Floods

B. Natural calamities

C. Labour strike

D. Climate changes

Choose the correct answer from the options given below:

The wholesale price index (or price relative) of rice in 2018 compared to 2014 is 150. If the cost of rice was Rs. 16 per kg in 2014, then per kg cost of rice in 2018 is :

In the equation of trend line $y_t = a + bx$, a and b represent :

Which of the following statements are correct ?

(A) Index number are free from units

(B) Index number represents specialised averages in percentage

(C) $P_{01} = \frac{\Sigma P_0}{\Sigma P_1} \times 100$

(D) Index numbers are helpful in formulating and adopting appropriate economic policies

Choose the correct answer from the options given below :