ca foundation notes

Theory of Demand and Supply CA Foundation MCQ Economics Chapter 2 1. Demand for a commodity refers to:(a) Desire backed by ability to pay for the commodity.(b) Need for the commodity and willingness to pay for it.(c) The quantity demanded of that commodity at a certain price.(d) The quantity of the commodity demanded at a […]

Nature and Scope of Business Economics CA Foundation MCQ Economics Chapter 1 1. The term ‘Economics’ owes its origin to the Greek word.(a) Aikonomia(b) Wikonornia(c) Oikonomia(d) None of the aboveAnswer:(c) Oikonomia 2. Adam Smith published his master piece “An enquiry into the nature and causes of wealth of nations” in the year __________.(a) 1776(b) 1786 […]

Linear Inequalities mcqs Question 1 If ∣∣3x−44∣∣≤512, the solution set is:(a) {x: 1918 ≤ x ≤ 2918}(b) {x: 79 ≤ x ≤ 179}(c) {x: −2918 ≤ x ≤ −1918}(d) None of these [1 Mark, Feb. 2007]Answer:(b) is correct Question 2 On solving the inequalities 6x + y ≥ 18; x + 4y ≥ 12; 2x + y ≥ 10, we get the following situation:  (а) (0, […]

Matrices mcqs Question 1.The value of k for which the points (k, 1)., (5, 5) and (10, 7) may be collinear if: (a) k = -5(b) k = 7(c) k = 9(d) k = 1Answer:FormulaPoints (x1; y1) ; (x2; y2) and (x3; y3) are collinear; if∣∣∣∣x1x2x3y1y2y3111∣∣∣∣ = 0 ⇒ ∣∣∣∣K510157111∣∣∣∣ = 0or; K(5 – 7) – 1(5 – 10) […]

Equations mcq Question 1.A man went to the Reserve Bank of India with ₹ 1,000. He asked the cashier to give him ₹ 5 and ₹ 10 notes only in return. The man got 175 notes in all. Find how many notes of ₹ 5 and ₹ 10 did he receive? (a) (25,150)(b) (40,110)(c) (150,25)(d) NoneAnswer:Tricks […]

Measures of Dispersion MCQS Question 1.A student obtained the mean and standard deviation of 100 observations as 40 and 5.1 respectively. It was later discovered that he had wrongly copied down an observation as 50 instead of 40. The correct standard deviation is _______ (a) 5(b) 6(c) 3(d) 7Solution:N = 100, In correct X¯¯¯¯ = 40 & σ […]

Measures of Central Tendency MCQS Question 1.If X and Y are related by X – Y – 10 = 0 and mode of X is known to be 23, then the mode of Y is : (a) 20(b) 13(c) 3(d) 23Solution:(b) 13(b) is correctGiven Relation is x – y – 10 = 0XM0 = 23 (given)∴ 23 […]

Probability MCQS Question 1.A letter is taken out at random from the word RANGE and another is taken out from the word PAGE. The probability that they are the same letters is : (a) 1/20(b) 3/20(c) 3/5(d) 3/4Solution:(b) 3/20 Letters A ; G ; E are common.Total probability for each Letter in both words= 15 × 14 + 15 × 14 + 15 × 14 = 320 Question 2.An […]

Theoretical Distributions MCQS Question 1.Parameter is a characteristic of :(a) Population(b) Sample(c) Probability distribution(d) Both (a) & (b)Solution:(a) Parameter :- A characteristic of a population. Question 2.What is the probability of making 3 correct guesses in 5 True – False answer type questions?(a) 0.4156(b) 0.32(c) 0.3125(d) 0.5235Solution:(c) Here, Sample Space S = {True, False}P = […]

Correlation Mcqs Question 1.The coefficient of correlation r between x and y when: Cov. (x, y) = -16.5, Var (x) = 2.89, Var (y) = 100 is:(a) -0.97(b) 0.97(c) 0.89(d) -0.89Solution:(a)Coefficient of correlationr = cov(x,y)σx⋅σy = −16.52.89√×100√ = −16.51.7×10= – 0.97 Question 2.Take 200 and 150 respectively as the assumed mean for X and Y series of 11 values, then […]