Related Questions

The sum of fourth and twelfth term of an arithmetic progression is 20. What is the sum of the first fifteen terms of that arithmetic progression?
ক 300
খ 120
গ 150
ঘ 130
The sum of the fourth and twelfth term of an arithmetic progression is 20. what is the sum of the first 15 terms of the artihmetic progression?
ক 150
খ 170
গ 210
ঘ 270
In 2007, the arithmetic mean of the annual incomes of Rahim and Karim was Taka 3800 . The arithmetic mean of the annual incomes of Karim and Ripon was Ripon and Rahim was TaKa5800. What is the arithmetic mean of the incomes of the three ?
ক 3200
খ 1200
গ 2400
ঘ 4800
How many terms or arithmetic progression (A.P.) 21, 18, 15, 12, .... must be taken to Give the sum zero ?
ক 10
খ 15
গ 22
ঘ 27
how many terms of arithmetic progression (A.P) 21,18,15,12...must be taken to give the sum zero
ক 10
খ 15
গ 22
ঘ 27
How many terms of Arithmetic Progression (A.P) 21, 18, 15, 12 , ..... must by taken to give the sum zero?
ক 10
খ 15
গ 22
ঘ 27
What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
ক 219
খ 137
গ 231
ঘ 279
What is the sum of the first 12 terms of an arithmetic progression if the first term is 3 and last term is 47?
ক 260
খ 300
গ 280
ঘ 220
What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
ক 192
খ 230
গ 102
ঘ 214
If a +1, 2a +1 , 4a-1 are in Arithmetic Progression then the value of 'a' is :
ক 1
খ 2
গ 3
ঘ 4

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