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
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
What is the sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?
A 219
B 137
C 231
D 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?
A 260
B 300
C 280
D 220
৫ঃ১৮ঃ,৭ঃ২ এবং ৩ঃ৬ এর মিশ্র অনুপাত কত?
A ৭২ঃ ১০৫
B ৭২ঃ ৩৫
C ৩৫ঃ ৭২
D ১০৫ঃ৭২
৫ঃ১৮, ৭ঃ২ এবং ৩ঃ৬-এর মিশ্র অনুপাত কত ?
A ৭২ঃ১০৫
B ৭২ঃ৩৫
C ৩৫ঃ৭২
D ১০৫ঃ২১৬
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
৪ঃ ৫= ১২ঃ x হলে x -এর মান কত হবে?
A ১২
B ১৩
C ১৪
D ১৫

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