(C) In an $AP$,the $n^{th}$ term formula is given by $a_{n} = a + (n - 1)d$.Given values are $d = -4$,$n = 7$,and $a_{n} = 4$.Substituting these value

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(C) In an $AP$,the $n^{th}$ term formula is given by $a_{n} = a + (n - 1)d$.Given values are $d = -4$,$n = 7$,and $a_{n} = 4$.Substituting these values into the formula:$4 = a + (7 - 1)(-4)$$4 = a + (6)(-4)$$4 = a - 24$$a = 4 + 24$$a = 28$.

Class 10 Mathematics Arithmetic Progressions Mix Examples - Arithmetic Progressions

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In an $AP$,if $d = -4$,$n = 7$,and $a_{n} = 4$,then $a$ is

A
$6$
B
$7$
C
$28$
D
$20$

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Arithmetic Progressions

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Mix Examples - Arithmetic Progressions

For the finite $A.P.$ $3, 5, 7, \ldots, 201$,find the $12^{th}$ term from the end.

Medium

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For each of the following $A.P.s$,find the $n^{th}$ term: $27, 22, 17, 12, \ldots$

Easy

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The measures of all the four angles of a quadrilateral form an $A.P.$. If the common difference is $10^{\circ}$,find the measures of all the angles.

Difficult

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Find the sum of those integers between $1$ and $500$ which are multiples of $2$ as well as of $5$.

Difficult

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Find the sum:
$4-\frac{1}{n}+4-\frac{2}{n}+4-\frac{3}{n}+\ldots$ up to $n$ terms.

Medium

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In an $AP$,if $d = -4$,$n = 7$,and $a_{n} = 4$,then $a$ is

Similar Questions

For the finite $A.P.$ $3, 5, 7, \ldots, 201$,find the $12^{th}$ term from the end.

For each of the following $A.P.s$,find the $n^{th}$ term: $27, 22, 17, 12, \ldots$

The measures of all the four angles of a quadrilateral form an $A.P.$. If the common difference is $10^{\circ}$,find the measures of all the angles.

Find the sum of those integers between $1$ and $500$ which are multiples of $2$ as well as of $5$.

Find the sum:$4-\frac{1}{n}+4-\frac{2}{n}+4-\frac{3}{n}+\ldots$ up to $n$ terms.

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Find the sum:
$4-\frac{1}{n}+4-\frac{2}{n}+4-\frac{3}{n}+\ldots$ up to $n$ terms.