CA Foundation - Business Mathematics (2026)

If a : b = 2 : 3, b : c = 4 : 5 and c : d = 6 : 7, then the ratio a : d is equal to:

The value of the expression (x^a/x^b)^(a+b) x (x^b/x^c)^(b+c) x (x^c/x^a)^(c+a) is:

If log2 log3 log2 x = 1, then the value of x is:

The roots of the quadratic equation x^2 - 5x + 6 = 0 are:

The solution set of the linear inequality 3x - 4 < 5 is:

A sum of money triples itself in 10 years at simple interest. The rate of interest per annum is:

The present value of an ordinary annuity of Rs.1,000 made annually for 5 years at an interest rate of 10% compounded annually is (Given (1.1)^-5 = 0.6209):

In how many ways can a committee of 4 members be formed from 6 men and 4 women, such that it contains exactly 2 men and 2 women?

The sum of the first 20 terms of the arithmetic progression 3, 7, 11, 15, ... is:

The value of the limit lim(x to 2) (x^2 - 4)/(x - 2) is equal to:

Find the missing term in the number series: 2, 6, 12, 20, 30, ?, 56

If in a certain code 'MOCK' is written as 'NPDL', how is 'EXAM' written in that code?

A man starts walking towards the East. After walking 10 meters, he turns left and walks 5 meters. Then he turns right and walks 10 meters. In which direction is he now with respect to his starting point?

Five people A, B, C, D, and E are sitting in a row facing North. C is sitting in the middle. A is sitting to the immediate left of C. B is sitting to the immediate right of E. If D is at the extreme right end, who is sitting to the immediate left of A?

Pointing to a photograph, a man says, "She is the daughter of my wife's mother-in-law's only son." How is the woman in the photograph related to the man?

If A is the brother of B, B is the sister of C, and C is the father of D, how is A related to D?

One morning after sunrise, Suresh was standing facing a pole. The shadow of the pole fell exactly to his right. Which direction was Suresh facing?

Complete the number series: 4, 9, 25, 49, 121, ?

If 'RED' is coded as 27, then the word 'BLUE' is coded as:

Six persons P, Q, R, S, T, and U are sitting in a circle facing the center. P is sitting opposite to Q. R is sitting between P and S. T is sitting to the immediate left of Q. Who is sitting opposite to T?

The best and most suitable method of presenting data to show fluctuations and trends over a period of time is:

If the mean of a moderately asymmetrical distribution is 25 and the median is 24, the mode of the distribution (using empirical relationship) is:

The standard deviation of the first 5 natural numbers (1, 2, 3, 4, 5) is equal to:

Two unbiased dice are thrown simultaneously. The probability of obtaining a total sum of 8 is:

If the correlation coefficient between two variables X and Y is 0.8, then the coefficient of determination is:

Laspeyres' price index number formula is weighted by using which of the following variables?

If P(A) = 0.4, P(B) = 0.5, and P(A and B) = 0.2, then the probability P(A or B) is:

For a normal distribution, the mathematical relationship between Mean Deviation (MD) and Standard Deviation (SD) is:

If every observation in a statistical series is increased by a constant value of 10, then the standard deviation:

Fisher's Ideal Index number is mathematically defined as the:

Which of the following statements best describes the nature of Business Economics?

When the price of a substitute commodity Y increases, the market demand for commodity X:

If the percentage change in the quantity demanded of a product is exactly equal to the percentage change in its price, the price elasticity of demand is said to be:

In the short run, a firm under perfect competition will continue to produce as long as the market price is sufficient to cover its:

The lowest point of a business cycle where the contraction phase ends and the expansion phase begins is known as the:

A market structure characterized by a single seller selling a unique product with no close substitutes is called a:

The Law of Diminishing Marginal Utility states that as a consumer increases the consumption of a commodity, the marginal utility derived from each additional unit:

Marginal Cost (MC) is mathematically defined as the:

The kinked demand curve hypothesis in oligopoly is primarily designed to explain the concept of:

Which of the following macroeconomic indicators is considered a leading indicator of business cycles?