Gen Math Review - 1st Semester Midterms

In the geometric sequence, the numbers of each term are obtained by multiplying or dividing a fixed number to the previous term. What is this fixed number called?

• Common difference

• Common ratio

• First term

• Nth term

What sequence of numbers whose terms are reciprocals of the terms of an arithmetic sequence?

• Fibonacci

• Geometric

• Harmonic

• Triangular

A pair of shoes originally cost ₱1,500. The store offers it for ₱1,000 to attract buyers. Which of the following is being applied?

• Loss

• Markdown

• Mark-up

• Profit

Which of the following is showing a mark-up?

• A toy costing ₱600 is sold for ₱720.

• A book costing ₱400 is sold for ₱350.

• A phone costing ₱10,000 is sold for ₱9,500.

• A chair costing ₱1,500 is sold for ₱1,350.

Consider the following sequence of letters: S, M, T, W, ___. Which letter comes next?

• S

• T

• F

• W

Which of the following is a quadratic sequence?

• 2, 4, 8, 16, 32

• 1, 4, 9, 16, 25

• 5, 10, 15, 20, 25

• 3, 6, 12, 24, 48

A bank offers a savings plan where the first deposit is ₱2,000, and each subsequent month the deposit doubles. Which type of sequence is this?

• Arithmetic sequence

• Geometric sequence

• Both arithmetic and geometric

• Neither arithmetic nor geometric

A person deposits ₱1,500 every month in a bank for 12 months. Which type of sequence represents their deposits?

• Arithmetic sequence with increasing difference

• Arithmetic sequence with constant difference

• Geometric sequence with a constant ratio

• Neither arithmetic nor geometric

Anna works as a teacher and takes home a net income of ₱27,450 each month. Her total deductions for SSS, PhilHealth, Pag-IBIG, and tax amount to ₱4,050. What is her gross income?

• ₱4,050

• ₱27,450

• ₱30,500

• ₱31,500

A refrigerator originally costs ₱20,000. It is now being sold for ₱18,200. What is the amount of decrease?

• ₱1,500

• ₱1,700

• ₱1,800

• ₱2,000