Question

4 +7+ 10 + 13 +...... Sum of the 12 terms of this A. P.is

ANSWERS

2)

3)

4)

5)

6)

7)

8)

9)

10)

A)

B)

C)

D)

E)

F)

G)

1)​

Answer 1

Answer:

Sequence is

4

,

7

,

10

,

13

,

16

,

.

.

.

a

1

=

4

,

a

2

=

7

,

a

3

=

10

,

.

.

.

If it is Arithmetic sequence,

a

2

−

a

1

=

a

3

−

a

2

=

a

4

−

a

3

& so on

In the given sum,

a

2

−

a

1

=

7

−

4

=

3

a

3

−

a

2

=

10

−

7

=

3

a

4

−

a

3

=

13

−

10

=

3

Since the difference between the successive terms is same and

hence

common difference

d

=

3

Step-by-step explanation:

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Answer 2

Answer:

s12=246

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