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
If the 1st and the 3rd term of an arithmetic progression are -10 and -4, what is the 12th term?
A 26
B 20
C 17
D 23
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
The 5th and 9th term of an arithmetic progression are 7 and 13 respectively. What is the 15th term?
A 22
B 21
C 55
D 59
If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?
A 53
B 49
C 57
D 61
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
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
The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?
A 79
B 43
C 45
D 49
The 2nd and 6th term of an arithmetic progression are 8 and 20 respectively. What is the 20th term?
A 56
B 65
C 62
D 69
The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?
A -22
B -25
C -19
D -28

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