10ii Arithmetic-2

If 4, x₁,x₂,x₃,28 are in AP then x₃ is ______

• 19

• 23

• 22

• cannot be determined.

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

• 6

• 9

• 15

• -3

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

Formula to find sum of n terms in an AP is ________

• sn = a+ (n - 1)d

• undefined= undefined (2a +(n-1)d)

• undefined= undefined (2a +(n+1)d)

What is the common difference of an AP in which a₁₈ - a₁₄ = 32?

• 8

• -8

• 4

• -4

• -4

• -2

• 0

• 2

How many multiples of 4 lie between 10 and 250

• 60

• 64

• 56

• 70

2019^th term of an AP is written as

• a + 2018d

• a + (2019 + 1) d

• 2018 d

• 2a + 2018 d

Can the common difference of Arithmetic Progression be negative?

• YES. POSSIBLE
• NO. NOT POSSIBLE

The salary of Reena in 1st year, 2nd year, 3rd year, 4th year with a starting salary of Rs.8000 with an annual increment of Rs.500. What will be her salary in the 7th year

• 10,000

• 10,500

• 11,000

• 11,500