AP class X

A list of numbers -10, -6, -2, 2 is _________

• an A.P with d = -16
• an A.P with d = 4
• an A.P with d = -4
• Not an A.P

What is the first positive term of the sequence:  -9, -5, -1, .......

• 5
• 4
• 3
• 1

2019^th term of an AP is written as

• a + 2018d

• a + (2019 + 1) d

• 2018 d

• 2a + 2018 d

If 7 times the 7^th term of an AP is equal to 11 times its 11^th term, then its 18^th term will be

• 7

• 11

• 18

• 0

Can the common difference of Arithmetic Progression be negative?

• YES. POSSIBLE
• NO. NOT POSSIBLE

Which of the following is not an Arithmetic Progression?

• 1, 4, 7, 10, .....
• -5, -2, 1, 4, .....
• 3, 7, 12, 16, ......
• 11, 14, 17, 20, .....

Choose the correct answer from the given four options:
The 21st term of the AP whose first two terms are –3 and 4 is

• 17
• 137
• -137
• 127

If the common difference of an AP is 5, then what is a₁₈ – a₁₃ ?

• 5
• 15
• 25
• 10

If the 2nd term of an AP is 13 and the 5th term is 25, the common difference is 

• 12
• 4
• 3
• 5