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Arithmetic Progressions

Short Answer Type

11.

Write first four terms of the AP, when the first term a and the common difference d are given as follows:

a = – 1.25, d = – 0.25

205 Views

12.

For the following APs, write the first term and the common difference
3, 1, – 1, – 3, . . .

253 Views

13.

For the following APs, write the first term and the common difference
– 5, – 1, 3, 7, . . .

165 Views

14.

For the following APs, write the first term and the common difference

$1 third comma space 5 over 3 comma space 9 over 3 comma space 13 over 3 comma space space.......$

92 Views

15.

For the following APs, write the first term and the common difference
0.6, 1.7, 2.8, 3.9, . . .

155 Views

16.

Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.
2, 4, 8, 16, . . .

125 Views

17.
Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.

$2 comma space 5 over 2 comma space 3 comma space 7 over 2 comma....$

2 comma space 5 over 2 comma space 3 comma space 7 over 2 comma....

a₂ - a₁=

5 over 2 minus 2 equals 1 half

a₃- a₂=

3 minus 5 over 2 equals 1 half

a₄- a₃=

7 over 2 minus 3 equals 1 half

i.e., a_k+1 – a_k is the same every time so, the given list of numbers forms an A .P. with the common
difference d =

1 half.

The next three terms are :

7 over 2 plus 1 half equals 4 4 plus 1 half equals 9 over 2 and space 9 over 2 plus 1 half equals 5

104 Views

18.

Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.
– 1.2, – 3.2, – 5.2, – 7.2, . . .

156 Views

19.

Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.
–10, –6, –2, 2, ....

116 Views

20.

Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.
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152 Views

Previous Year Papers

Test Series

Test Yourself

Short Answer Type

17. Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.

17.
Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.

$2 comma space 5 over 2 comma space 3 comma space 7 over 2 comma....$