Objective Questions and Answers of MBA: Business Mathematics 9

Subject: Objective Questions and Answers of MBA: Business Mathematics 9

**Part 9: Objective questions and answers of Business Mathematics**

**Q1. If f(x) = c.x +1 and g(x)= 3x+2. If f(g(x)) = g(f(x))then what is the value of c?**

a) 1

b) 2

c) 3

d) 4

**Q2. The range of the real function f defined by f (x) = √(x -1) =**

a) (1,∞)

b) (0,1)

c) *0,∞)

d) (∞,0+

**Q3. Let r= {(x,y) :x, y belong to n, 2x+y =41}. The range is of the relation r is**

a) ,(2n +1):n belongs to n , 1≤n≤20-

b) {2n: n belongs to n, 1< n< 20}

c) {(2n-1) : n belongs to n, 1≤n≤20-

d) { (2n+2) : n belongs to n, 1< n <20}

**Q4. A car travels 432 km on 48 litres of petrol. How far will it travel on 20 litres of petrol?**

a) 18

b) 9

c) 34

d) 180

**Q5. If a = 1 + i , then a^2 equals**

a) 1 – i

b) 2i

c) (1 + i)(1 – i)

d) I – 1

**Q6. The sum of all odd numbers between 100 and 200 is**

a) 7,000

b) 8,000

c) 8,500

d) 7,500

**Q7. If in an infinite g.p., the first term is equal to the sum of all successive terms then its common ratio is**

a) 1 / 10

b) 1 / 11

c) 1 / 9

d) 1 / 20

**Q8. From 8 gentlemen and 4 ladies, a committee of 5 is to be formed. In how many ways can this be done so as to include at least one lady?**

a) 736

b) 728

c) 280

d) 792

**Q9. Find the compound interest for rs 10000 for 2 years at 5% per annum the interest being compounded annually.**

a) Rs 1000

b) Rs 1025

c) Rs 1050

d) Rs 1100

**Q10. If ram has 3 tickets of a lottery for which 10 tickets were sold and 5 prizes are to be given, the probability that he will win at least one prize is**

a) 7/12

b) 9/12

c) 1/12

d) 11/12

**Q11. In a set – builder method, the null set is represented by**

a) { }

b) Φ

c) { x : x ≠ x –

d) { x : x = x }

**Q12. The range of the function f(x) = |x – 1| is**

a) (- ∞, 0)

b) *0, ∞)

c) (0, – ∞)

d) R

**Q13. Let f = {(x, x^2 /1+x^2 ): x € r – be a function from r into r . Range of x is**

a) Negative real numbers.

b) Non negative real numbers.

c) Positive real numbers.

d) Any positive real number x such that 0≤ x <1

**Q14. Find the sum of 17 terms of the A.P. 5, 9, 13, 17, …**

a) 623

b) 580

c) 629

d) 650

**Q15. Log 36 / log 6**

a) 5

b) 8

c) 3

d) 2

**Q16. How many terms of A.P. 21, 18, 15, 12, … must be taken to give the sum zero.**

a) 10

b) 15

c) 22

d) 11

**Q17. The two geometric means between the numbers 1 and 64 are**

a) 1 and 64

b) 2 and 16

c) 4 and 16

d) 3 and 16

**Q18. The number of triangles that can be formed with 10 points as vertices, n of them being collinear, is 110. Then n is**

a) 3

b) 4

c) 5

d) 6

**Q19. The number of diagonals that can be drawn by joining the vertices of an octagon is**

a) 20

b) 28

c) 8

d) 16

**Q20. If in expansion of (1 +y)^n the coefficient of the 5th, 6th and the 7th terms are in A.P the n is equal to**

a) 7, 11

b) 7, 14

c) 8, 16

d) None of these

**Part 9: Objective questions and answers of Business Mathematics**

Q1. Answer b

Q2. Answer c

Q3. Answer c

Q4. Answer d

Q5. Answer b

Q6. Answer d

Q7. Answer b

Q8. Answer a

Q9. Answer b

Q10. Answer d

Q11. Answer c

Q12. Answer b

Q13. Answer d

Q14. Answer c

Q15. Answer d

Q16. Answer b

Q17. Answer c

Q18. Answer c

Q19. Answer a

Q20. Answer b

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