Arithmetic Progression Basics-1

Choose the correct answer from the given four options:
The 10th term of the AP: 5, 8, 11, 14, ... is

• 32
• 35
• 38
• 25

The sum of first five multiples of 3 is

• 45
• 55
• 15
• 30

Is the sequence : 1, ½, ⅓, ¼, ...... an Arithmetic Progression?

• YES.
• NO

In an Arithmetic Progression, common difference d = 3, then t₅ - t₇ is equal to ____

• 2
• -2
• 6
• -6

If the nth term of an AP is (2n+1) then the sum of its first three terms is

• 6n+3

• 15

• 12

• 21

The sum of first 'n' terms of an AP is (3n²+6n). The common difference of the AP is ______

• 6

• 9

• 15

• -3

The sum of first 20 odd natural numbers is

• 100

• 210

• 400

• 420