Arithmetic by L Key

Identify the common difference.
97, 86, 75, 64, ...

• 8

• 11

• -11

• -8

Identify the common difference.
3, 7, 11, 15, ...

• 6

• 5

• 4

• 2

Find the 32nd term of this sequence.
34, 37, 40, 43, ...

• 32

• 64

• 127

• 356

Is the following sequence arithmetic?
21, 13, 5, -3, ...

• YES

• NO

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

• -1, 7, 15

• -5, 2, 9

• 3, 12, 21

• -65, -73, -81

The 5^th term of an AP is -3 and its common difference is -4. The sum of its first 10 terms is_________

• 50

• -50

• 30

• -30

The 13^th term of an AP is 4 times its 3^rd term. If its 5^th term is 16 then the sum of its first ten terms is _______

• 150

• 175

• 160

• 135

Which term of an AP 72, 63, 54, ...... is 0 ?

• 8^th

• 9^th

• 10^th

• 11^th

The sum of the first 11^th term of an AP is 120, and the sum of the first 12^th term is 132. Find the value of the 12^th term.

• 12

• -12

• 32

• -32

The first three terms of an AP are -2, -4, -6, .... Find the sum of the 25 terms after the 3^rd term.

• -812

• -800

• -788

• -650