1.) A stack of telephone poles has 40 poles in the bottom row. There are 39 poles in the second row. 38 in the next row and so on. How many poles are there in the 38th row?

A.4 poles
B.2 poles
C.3 poles
D.1 poles

2.) What is the common difference in sequence 3,6,9,12,15?

A.1
B.2
C.3
D.4

3.) A theater has 70 seat in the first row, 78 seats in the second row and 86 seat in the third row, and so on, how many seats are there in the 24th row?

A.254
B.251
C.253
D.250

4.) Bryan’s grandfather promised to give him p8 on the first day of this birthday month, P15 on the second day, P22 on the third day, and so on for twenty-eight days, how much will that amount to?

A.P2,870
B.P2,968
C.P198
D.204

5.) A gradener make 10 rows of triangular planting with 40 plants in the front row, 36 in the second row, 32 in the third row, and so on. If the pattern is consistent, how many plants will be there in the last row?

A.4
B.3
C.5
D.2

6.) Which are the four-arithmetic means between 5 and 75?

A.19,35,49,61
B.19,32,46,61
C.19,33,48,61
D.19,33,47,61