Advertisements
Advertisements
प्रश्न
If 6 times of 6th term of an A.P. is equal to 7 times the 7th term, then the 13th term of the A.P. is
विकल्प
0
6
7
13
उत्तर
0
Explanation;
Hint:
6t6 = 7t7
6(a + 5d) = 7(a + 6d)
6a + 30d = 7a + 42d
7a + 42d – 6a – 30d = 0
a + 12d = 0 = t13
APPEARS IN
संबंधित प्रश्न
A farmer borrows Rs.1,000 and agrees to repay with a total interest of Rs. 140 in 12 installments, each installment being less that the preceding installment by Rs. 10. What should be his first installment?
Write first four terms of the A.P. when the first term a and the common difference d are given as follows:
`a = -1, d = 1/2`
Write first four terms of the A.P. when the first term a and the common difference d are given as follows:
a = -1.25, d = -0.25
For the following A.Ps, write the first term and the common difference.
0.6, 1.7, 2.8, 3.9
Which of the following sequences are arithmetic progressions? For those which are arithmetic progressions, find out the common difference.
0, −4, −8, −12, ...
Two arithmetic progressions have the same common difference. The difference between their 100th terms is 100, what is the difference between their l000th terms?
Which of the following sequences is arithmetic progressions. For is arithmetic progression, find out the common difference.
a + b, (a + 1) + b, (a + 1) + (b + 1), (a + 2) + (b + 1), (a + 2) + (b + 2), ...
Find the common difference of the A.P. and write the next two terms 1.8, 2.0, 2.2, 2.4, ...
Find the first term and common difference of the Arithmetic Progressions whose nth term is given below
tn = 4 – 7n
Which term of an A.P. 16, 11, 6, 1, ... is – 54?
