Arithmetic sequences

Find $ a_{ 5 } $ of an arithmetic progression if $ a_1 = 8 ~~ \text{and} ~~ d = 9 $.

Find $ a_{ 31 } $ of an arithmetic progression if $ a_1 = -3 ~~ \text{and} ~~ d = 5 $.

Find $ a_{ 24 } $ of an arithmetic progression if $ a_1 = 11 ~~ \text{and} ~~ d = 2 $.

Find $ S_{ 12 } $ ( sum of first $ 12 $ terms ) of arithmetic progression if $ a_1 = 3 ~~ \text{and} ~~ d = 12 $.

Find $ a_{ 12 } $ of an arithmetic progression if $ a_1 = 180 ~~ \text{and} ~~ d = 180 $.

Find $ a_{ 6 } $ of an arithmetic progression if $ a_1 = 350000 ~~ \text{and} ~~ d = 15000 $.

Find $ a_{ 79 } $ of an arithmetic progression if $ a_1 = 6 ~~ \text{and} ~~ d = 4 $.

Find $ a_{ 5 } $ of an arithmetic progression if $ a_1 = 22 ~~ \text{and} ~~ d = 4 $.

Find $ a_{ 3 } $ of an arithmetic progression if $ a_1 = -2 ~~ \text{and} ~~ d = \left( -6 \right) $.

Find $ a_{ 48 } $ of an arithmetic progression if $ a_1 = 2 ~~ \text{and} ~~ d = 9 $.

Find $ S_{ 48 } $ ( sum of first $ 48 $ terms ) of arithmetic progression if $ a_1 = 2 ~~ \text{and} ~~ d = 9 $.

Find $ a_{ 3 } $ of an arithmetic progression if $ a_1 = \frac{ 5 }{ 6 } ~~ \text{and} ~~ d = \left( -\frac{ 1 }{ 6 } \right) $.

Find $ a_{ 1 } $ of an arithmetic progression if $ a_1 = \frac{ 5 }{ 6 } ~~ \text{and} ~~ d = \left( -\frac{ 1 }{ 6 } \right) $.

Find $ S_{ 36 } $ ( sum of first $ 36 $ terms ) of arithmetic progression if $ a_1 = 100 ~~ \text{and} ~~ d = -5 $.

Find $ a_{ 9 } $ of an arithmetic progression if $ a_1 = 648 ~~ \text{and} ~~ d = \frac{ 37 }{ 12 } $.

Find $ a_{ 7 } $ of an arithmetic progression if $ a_1 = 648 ~~ \text{and} ~~ d = \frac{ 37 }{ 12 } $.

Find $ S_{ 55 } $ ( sum of first $ 55 $ terms ) of arithmetic progression if $ a_1 = 19 ~~ \text{and} ~~ d = 13 $.

Find $ a_{ 9 } $ of an arithmetic progression if $ a_1 = 648 ~~ \text{and} ~~ d = \frac{ 1 }{ 3 } $.

Find $ a_{ 15 } $ of an arithmetic progression if $ a_1 = -2 ~~ \text{and} ~~ d = 2 $.

Find $ a_{ 20 } $ of an arithmetic progression if $ a_1 = 15 ~~ \text{and} ~~ d = \left( -6 \right) $.

Find $ a_{ 2148 } $ of an arithmetic progression if $ a_1 = 6 ~~ \text{and} ~~ d = 4 $.

Find $ a_{ 4 } $ of an arithmetic progression if $ a_1 = 42 ~~ \text{and} ~~ d = 22 $.

Find $ a_{ 57 } $ of an arithmetic progression if $ a_1 = 14 ~~ \text{and} ~~ d = 9 $.

Find $ a_{ 4 } $ of an arithmetic progression if $ a_1 = 28 ~~ \text{and} ~~ d = 0 $.

Find $ S_{ 20 } $ ( sum of first $ 20 $ terms ) of arithmetic progression if $ a_1 = 20 ~~ \text{and} ~~ d = -5 $.

Find $ a_{ 5 } $ of an arithmetic progression if $ a_1 = 2 ~~ \text{and} ~~ d = 11 $.

Find $ a_{ 7 } $ of an arithmetic progression if $ a_1 = 8 ~~ \text{and} ~~ d = \left( -6 \right) $.

Find $ S_{ 99 } $ ( sum of first $ 99 $ terms ) of arithmetic progression if $ a_1 = -10 ~~ \text{and} ~~ d = 4 $.

Find $ S_{ 14 } $ ( sum of first $ 14 $ terms ) of arithmetic progression if $ a_1 = 4000 ~~ \text{and} ~~ d = 1000 $.

Find $ a_{ 0 } $ of an arithmetic progression if $ a_1 = -1 ~~ \text{and} ~~ d = 4 $.

Find $ S_{ 840 } $ ( sum of first $ 840 $ terms ) of arithmetic progression if $ a_1 = 20 ~~ \text{and} ~~ d = 20 $.

Find $ S_{ 1680 } $ ( sum of first $ 1680 $ terms ) of arithmetic progression if $ a_1 = 20 ~~ \text{and} ~~ d = 20 $.

Find $ S_{ 666 } $ ( sum of first $ 666 $ terms ) of arithmetic progression if $ a_1 = 50 ~~ \text{and} ~~ d = 50 $.

Find $ a_{ 10 } $ of an arithmetic progression if $ a_1 = 1780 ~~ \text{and} ~~ d = \left( -10 \right) $.

Find $ S_{ 5 } $ ( sum of first $ 5 $ terms ) of arithmetic progression if $ a_1 = 7 ~~ \text{and} ~~ d = 5 $.

Find $ a_{ 10 } $ of an arithmetic progression if $ a_1 = 400 ~~ \text{and} ~~ d = \left( -10 \right) $.

Find $ S_{ 0 } $ ( sum of first $ 0 $ terms ) of arithmetic progression if $ a_1 = 7 ~~ \text{and} ~~ d = 5 $.

Find $ a_{ 5 } $ of an arithmetic progression if $ a_1 = \frac{ 4 }{ 15 } ~~ \text{and} ~~ d = \frac{ 4 }{ 15 } $.

Find $ a_{ 5 } $ of an arithmetic progression if $ a_1 = \frac{ 4 }{ 15 } ~~ \text{and} ~~ d = \frac{ 2 }{ 15 } $.

Find $ a_{ 6 } $ of an arithmetic progression if $ a_1 = 6 ~~ \text{and} ~~ d = \left( -3 \right) $.

Find $ a_{ 6 } $ of an arithmetic progression if $ a_1 = 4 ~~ \text{and} ~~ d = 2 $.

Find $ a_{ 6 } $ of an arithmetic progression if $ a_1 = 6 ~~ \text{and} ~~ d = 3 $.

Find $ a_{ 6 } $ of an arithmetic progression if $ a_1 = -3 ~~ \text{and} ~~ d = 4 $.

Find $ a_{ 6 } $ of an arithmetic progression if $ a_1 = \frac{ 5 }{ 2 } ~~ \text{and} ~~ d = \frac{ 5 }{ 4 } $.

Find $ a_{ 50 } $ of an arithmetic progression if $ a_1 = 6 ~~ \text{and} ~~ d = 4 $.

Find $ a_{ 6 } $ of an arithmetic progression if $ a_1 = -3 ~~ \text{and} ~~ d = 7 $.

Find $ a_{ 49 } $ of an arithmetic progression if $ a_1 = 10 ~~ \text{and} ~~ d = \left( -4 \right) $.

Find $ a_{ 11 } $ of an arithmetic progression if $ a_1 = 18 ~~ \text{and} ~~ d = \left( -6 \right) $.

Find $ a_{ 20 } $ of an arithmetic progression if $ a_1 = -40 ~~ \text{and} ~~ d = \left( -2 \right) $.

Find $ a_{ 5 } $ of an arithmetic progression if $ a_1 = 24 ~~ \text{and} ~~ d = \left( -\frac{ 1 }{ 2 } \right) $.