Arithmetic Sequence Problems

In his piggy bank, Bingo dropped $1.00 on May 1, $1.75 on May 2, $2.50 on May 3 and so on until the last day of May. How much did he drop in his piggy bank on May 19?

• $13.50

• $13.75

• $14.50

• $15.25

There are 20 rows of seats on a concert hall: 25 seats are in the 1^st row, 27 seats on the 2^nd row, 29 seats on the 3^rd row, and so on. How many seats are in the last row?

• 950

• 67

• 65

• 63

A well is dug 800 meters deep. The 1^st meter costs $250 and the cost per meter increases by $50 for every subsequent meter. Find the cost of digging the 750^th meter.

• $37,700

• $37,750

• $36,650

• $13,300

A recovering heart attack patient is told to get on a regular walking program. The patient is told to walk a distance of 5 km the first week, 8 km the second week, 11 km the third week and so on for a period of 10 weeks. At that point the patient is to maintain the distance walked during the 10th week. How far will the patient walk during the 10th week?

• 35 km

• 32 km

• 25 km

• 22km

Edgar is getting better at math. On his first quiz he scored 57 points, then he scores 61 and 65 on his next two quizzes. If his scores continued to increase at the same rate, what will be his score on his 9th quiz?

• 97

• 85

• 93

• 89

Viola makes gift baskets for Valentine’s Day. She has 13 baskets left over from last year (HINT: time =0) and she plans to make 12 more each day. If there are 15 work days until the day she begins to sell the baskets, how many baskets will she have to sell?

• 181

• 193

• 205

• 217

There are 125 passengers in the first carriage, 150 passengers in the second carriage and 175 passengers in the third carriage, and so on in an arithmetic sequence. What is the total number of passengers in the 7th carriage?

• 225

• 250

• 275

• 300

Inday earned 240 pesos in the first week, 350 in the second week and 460 in the third week, and so on in an arithmetic

sequence. How much did he earn in the 5th week?

• 570

• 680

• 790

• 900

The city theater has 30 seats in the first row of the center section. Each row behind the first row gains two additional seats. How many seats are in the 5th row in the center section?

• 38

• 40

• 42

• 44

There are 130 students in grade one, 210 students in grade two and 290 students in grade three in Masipag Elementary School, and so on in an arithmetic sequence. What’s the total amount of students in grade 6?

• 370

• 450

• 530

• 610