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Syllabus

3, 9, 21 , 45-----

is this a arthemetic sequence? how?

what is the sum of natural numbers 1 to 100

if the sum of the first fifteen terms of an arithmetic sequence is 390 and the sum of the first twentyfive terms is 1025;

a) find the 8th term and 13th term

b)find the common difference of the sequence

7 10

13 16 19

22 25 28 31

calculate the first term and second term of the 20th line of the above sequence.

simple method please..

if 5

^{2 }x 5^{4}x 5^{6}x --------------- 5^{2n}= ( 0.04)^{- 28}what is n ?(a) what is the 5th term of the sequence ?

(b) what is the 16th term of the sequence?

(c) write the sequence .

(a) what is the ratio between 6th and 15th terms ?

(b) The 7th term of this sequence is 10 . What is 22nd term ?

sum of first fifteen terms of AP is 570 and its 12th term is 62 .find sum of first 30 terms and sum of Nth term

a) which s the first term ?

b) what is the common difference?

c)which is the 10th term?

a) which is the first term?

b)what is the common difference?

c)Is 1000 a term of this sequence?

answer )15+33+1=49

15+33+51+1=100

15+33+51+69+1=169

experts hellp me to prove this

how can we find the 2nd term of this aruthamatic sequence

find the nth term of this sequence 1 ,5.,9.,13 ......... is 100 is a term of this sequence?why? find the sum of first 27 terms?

The ratio of the 3rd term and the 7th term of an arithmetic province is 5:7.What is the ratio of the 4th to the 8th term?

Rupees 820 is nvested at the rate of 8 percent simple nterest in abank .

a) find the interest after 1 year,2year,3year

b)is the sequence of interest an arithmatic sequence ?

c) compute the interest after 23 year .

the first numberan aruthamatic sequence is 10 and third number is 24 .what is the second number

The3rd and 8th term of an arithemathic sequence are in the ratio 5:7.What is the ratio between 5th term and 11th erm?

second day october is a sunday.Find out the day on 22nd december 2011

^{2}+qn+r ; then show that p+r=q.a) Find the ratio between the 1st term and the common difference.

b)Find the ratio between the 4th term and the 8th term .

2

^{2}*2^{3}*2^{4}*2^{5}................2^{10}=2find n?

write all the equations in the chapter A.P....???????Number which leave a remainder 2 on dividing by 3

common diference of a arithematic sequence is13. among three concecutive terms of the sequences,sum of squares of first two terms is equal to the square of the third term.find term of the sequence.

sum of21 terms of an AP is210.find its 11th term

The3rd and 8th term of an arithemathic sequence are in the ratio 5:7.What is the ratio between 5th term and 11th erm?

to dig a well,the first metre costs 1000 rs and each additional metre costs 500 rs more

what is the of digging a 12 metres deep well?

for this well,how much more than the cost digging the first 6 metres is the cost of digging the next 6 metres?

sum of 15 terms of AP in 375.find t8