Business Mathematics - Questions and Answers for Competitive Exams | GkSeries

13. Cramer’s Rule is also known as _________.

• [A] Inverse Matrix Method
• [B] Matrix Method
• [C] Determinant Method
• [D] Inverse Method

Answer: Option [C]

14. If a matrix has 4 rows and 3 columns, then the size will be denoted by

• [A] 3Χ4
• [B] 3Χ3
• [C] 4Χ3
• [D] 4Χ4

Answer: Option [C]

15. C.I. stands for _________.

• [A] Compound Interest
• [B] Simple Interest
• [C] Rate Of Interest
• [D] No.of.years.

Answer: Option [A]

16. The Lender’s are also known as_________

• [A] Creditor’s
• [B] Debtor’s
• [C] Buyer’s
• [D] None of the above.

Answer: Option [A]

17. Compound Interest is always __________ the Simple Interest.

• [A] Lesser than
• [B] Equal to
• [C] Greater than
• [D] None of the above.

Answer: Option [C]

18. The simple interest on Rs 5,000 at 10% for 3 years is ________

• [A] 500
• [B] 1000.
• [C] 1500.
• [D] 2000.

Answer: Option [C]

19. 51-46+3(5) = ________

• [A] 40
• [B] 20
• [C] 41
• [D] 52

Answer: Option [B]

20. Under compound interest the formula for A is given by ________.

• [A] A=P(1+ni).
• [B] A=P(1+i).
• [C] A=Pnr/100.
• [D] A=P(1+i)ⁿ.

Answer: Option [D]

21. When the payments are to be made at the end of each interval the annuity is called________.

• [A] immediate annuity.
• [B] annuity due
• [C] both [A] and [B].
• [D] present annuity.

Answer: Option [A]

22. Under simple interest, the interest for n years is _________.

• [A] A=P(1+ni).
• [B] A=P(1+i).
• [C] A=Pnr/100.
• [D] A=P(1+i)ⁿ.

Answer: Option [C]

23. In Graphical solution the feasible region is ___________.

• [A] where all the constraints are satisfied simultaneously
• [B] any one constraint is satisfied
• [C] only the first constraint is satisfied.
• [D] any one of the above condition.

Answer: Option [A]

24. An LPP has ________

• [A] one optimal solution.
• [B] two optimal solutions.
• [C] three optimal solutions.
• [D] none of these.

Answer: Option [D]