Related Questions

3 , 12, 30,. 39 are the first five terms of a sequence . Each term after the first is obtained by adding 9 to the term immediately preceding it .which term in the sequence is equal to 3 + (33 -1) 9?
A 8 th
B 9th
C 32nd
D 33rd
The seventh number in a sequence of numbers is 31 and each number after the first number in the sequence is 4 less than the number immediately preceding it. What is the fourth number in the sequence?
A 15
B 19
C 35
D 43
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
Rahim has invited his three buddies over to watch the basketball game on his wide-screen television. They are all hungry, but no one wants to leave to get food. Just as they are arguing about who should make the food run, a commercial comes on for a local pizzeria that delivers. The phone number flashes on the screen briefly and they all try to remember it. By the time Zachary grabs a pen and paper, each of them recollects a different number.i. All of the men agree that the first three numbers are 995.ii. Three of them agree that the fourth number is 9.iii. Three agree that the fifth number is 2.iv. Three agree that the sixth number is 6; three others agree that the seventh number is also 6.Which of the numbers is most likely the telephone number of the pizzeria?
A 995-9266
B 995-9336
C 995-9268
D 995-8266
If the second term in an arithmetic sequence is 4, and the tenth term is 15, what is the first term in the sequence?
A 1.18
B 1.27
C 1.38
D 2.63
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
What is the difference between the sixth and the fifth terms of the sequence 2,4,7---- whose nth term is n+2n-1?
A 3
B 6
C 16
D 17
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
What is the sum of the first 12 terms of an arithmetic progression if the first term is -19 and last term is 36?
A 192
B 230
C 102
D 214

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