Free Printable 10th Mathematics AP part 2

1.

Fifth term of the AP whose $a_n=\frac{n\left(n-3\right)}{2}$

a)

5

b)

15

c)

10

d)

75

2.

Which of the following $n^{th}$ term are in AP

a)

$2n^2+1$

b)

$3n-2$

c)

$3n^2-5$

d)

$5n-8$

3.

The cost of digging a well for the first meter is 150rs and rises by 20rs for the next succeeding mete. Is this is in AP

a)

yes

b)

no

c)

may be

d)

none of these

4.

How many two digit numbers are divisible by 7

a)

12

b)

13

c)

11

d)

14

5.

Ravi saved 5 rs in the first week of the year and then increased his weekly income by 1.75 rs each week. In what week his income savings be 20.75 rs

a)

9

b)

8

c)

11

d)

10

6.

If 7^th and 13^th term of an AP be 34 and 64 respectively then its 18^th term is

a)

87

b)

88

c)

89

d)

90

7.

If the first, second & last term of an AP are a, b & 2 a respectively its sum is___

a)

$\frac{ab}{2\left(b-a\right)}$

b)

$\frac{ab}{b-a}$

c)

$\frac{3ab}{2\left(b-a\right)}$

d)

none of these

8.

If $\frac{1}{x+2}$ , $\frac{1}{x+3},$ $\frac{1}{x+5}$ are in AP then x=?

a)

1

b)

3

c)

5

d)

2

9.

The sum of first 20 odd natural numbers are

a)

100

b)

210

c)

420

d)

400

10.

The next term of the AP $\sqrt{7}$ , $\sqrt{28}$ , $\sqrt{63}$ is

a)

$\sqrt{70}$

b)

$\sqrt{84}$

c)

$\sqrt{97}$

d)

$\sqrt{112}$

10th Mathematics AP part 2

Total questions: 10

Worksheet time: 15mins

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