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?
A 300
B 120
C 150
D 130
4a1+a2÷8a31-44= কত? 
A 1-a22a2
B 2a21+a2
C 1+a22a2
D 2a21-a2
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?
A 150
B 170
C 210
D 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 ?
A 3200
B 1200
C 2400
D 4800
Three numbers are in Arithmetic Progression (AP) whose sum is 30 and the product is 910. Then the greatest number in the AP is
A 17
B 15
C 13
D 10
In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?
A 11
B 8
C 10
D 7
If the nth terms of an arithmetic progression is 4n+1, then the common difference is-
A 4
B 3
C 5
D 6
How many terms or arithmetic progression (A.P.) 21, 18, 15, 12, .... must be taken to Give the sum zero ?
A 10
B 15
C 22
D 27
how many terms of arithmetic progression (A.P) 21,18,15,12...must be taken to give the sum zero
A 10
B 15
C 22
D 27
How many terms of Arithmetic Progression (A.P) 21, 18, 15, 12 , ..... must by taken to give the sum zero?
A 10
B 15
C 22
D 27

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