The common difference of the A.P -2,-5, -8, ... is

• 3

• -3

• 7

• -7

The 15th term of the AP 13, 17, 21, 25,... is

• 102

• 104

• 69

• 108

The sum of first 16th terms of the AP 10, 6, 2, ....is

• -330

• -320

• 340

• 310

In an AP if d = -4, n = 7, an = 4, then a =

• 28

• -28

• 21

• 32

Which term of the AP: 3,8,13,18... is 78?

• 20

• 18

• 16

• 10

Find 31st term of the AP whose 11th term is 38 and 16th term is 73.

• 168

• 160

• 178

• 148

How many three digit numbers are there divisible by 7?

• 112

• 142

• 125

• 128

The sum of first 15 multiples of 8.

• 700

• 960

• 900

• 1000

Write first four terms of an AP whose first term is -2 and common difference is -2.

• 2,4,6,8

• -2,-4,-6,-8

• -2,0,2,4

• 2,4,6,8

Next two terms of the AP: √2, √8, √18,...

• 4√2, 5√2

• √20,√22

• √2,16

• 5√2,7√2