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Standard X
Mathematics
General Form of an AP
An AP has d =...
Question
An AP has d = 3 and the last term 7. What is its 3rd term from the last?
A
1
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B
4
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C
-2
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D
-1
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Solution
The correct option is
A
1
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Q.
(i) An AP 5, 12, 19, ... has 50 terms. Find its last term. Hence, find the sum of its last 15 terms. [CBSE 2015]
(ii) An AP 8, 10, 12, ... has 60 terms. Find its last term. Hence, find the sum of its last 10 terms. [CBSE 2015]
Q.
An AP 5, 12, 19, ... has 50 terms. Find its last term. Hence, find the sum of its last 15 terms. [CBSE 2015]
Q.
An
A
P
consists of
50
terms of which
3
r
d
term is
12
and the last term is
106
. Find the
29
t
h
term.
Q.
An AP has 10 terms. If its first and last terms are 5 and 50 respectively, then its sum is
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