Number Pattern and Sequences

Two consecutive sequence

3, 4, 6, 9 is …

• 13, 18

• 13, 17

• 12, 26

• 12, 25

The 50^th term of sequence

7, 15, 23, 31, 39 is …

• 392

• 399

• 407

• 448

The 50^th term of sequence

20, 17, 14, 11, 8 is …

• -167

• -127

• 127

• 167

Look at the pattern made from matchsticks.

The 1^st pattern has 4 matchsticks.

The 2^nd pattern has 12 matchsticks.

The 3^rd pattern has 24 matchsticks.

How many matchsticks are needed to make the 6^th pattern?

• 108

• 84

• 45

• 30

The 1^st pattern has 3 counters.

The 2^nd pattern has 6 counters.

The 3^rd pattern has 10 counters.

The 4^th pattern has 15 counters.

How many counters are needed to make 9^th pattern?

• 36

• 45

• 55

• 66

The 1^st pattern has 2 counters.

The 2^nd pattern has 6 counters.

The 3^rd pattern has 12 counters.

The 4^th pattern has 20 counters.

How many counters are needed to make 10^th pattern?

• 100

• 110

• 120

• 130

The 1^st pattern has 1 counters.

The 2^nd pattern has 4 counters.

The 3^rd pattern has 9 counters.

The 4^th pattern has 16 counters.

The 5^th pattern has 25 counters.

How many counters are needed to make 12^nd pattern?

• 225

• 196

• 169

• 144

The 12^th term of sequence

42, 45, 48, 51, 54, is...

• 75

• 85

• 55

• 65

The 20^th term of sequence

15, 19, 23, 27 is ...

• 91

• 95

• 96

• 101

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

• 31 km

• 29 km