Applied Mathematics

Time Based Data

Easy

applied

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 :

(A), (B), (D) Only

(A), (C), (D) Only

(B), (C) Only

(B), (C), (D) Only

✅ Correct Option: 1

(A) Index numbers are unitless: true.

(B) They are specialised averages expressed as percentages: true.

(D) They aid economic policy formulation: true.

So (A), (B), (D) only.

2022: 25 May Shift 1

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

2023: 15 June Shift 2

Consider the following data :

Year	2012	2013	2014	2015	2016
Sales (in ₹ crores)	8	10	7	9	12

The equation of the straight line trend by the method of least squares is :

2023: 7 June Shift 1

The increase in the sale of shawls during winters is an example of :

2023: 23 May Shift 3

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:

2023: 15 June Shift 2

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

2026: 29 May Shift 2

Match the LIST-I with LIST-II

LIST-I		LIST-II
A.	Rise and fall of the share market	I. Seasonal Component
B.	Continuous increase in the population of India	II. Cyclical Component
C.	The rise in prices of woolen clothes in winter	III. Irregular Component
D.	Increase in prices of goods due to strikes of transporters	IV. Trend Component

Choose the correct answer from the options given below:

Solution