The 9 th term of an A.P. is 449 and 449 th term is 9. The term which is equal to
The 9 th term of an A.P. is 449 and 449 th term is 9. The term which is equal to zero is
If S n denote the sum of n terms of an A.P. with first term a and common differe
If S n denote the sum of n terms of an A.P. with first term a and common difference d such that $$frac{{{S_x}}}{{{S_{kx}}}}$$ is…
The sum of n terms of two A.P.’s are in the ratio 5n + 4 : 9n + 6. Then, the r
The sum of n terms of two A.P.’s are in the ratio 5n + 4 : 9n + 6. Then, the ratio of their…
The sum of first 20 odd natural numbers is
The sum of first 20 odd natural numbers is
The next term of the A.P., $$sqrt 7 ,$$ $$sqrt {28} ,$$ $$sqrt {63} ,$$ . . .
The next term of the A.P., $$sqrt 7 ,$$ $$sqrt {28} ,$$ $$sqrt {63} ,$$ . . . . . .
How many 2-digit positive integers are divisible by 4 or 9?
How many 2-digit positive integers are divisible by 4 or 9?
What is the sum of all 3 digit numbers that leave a remainder of ‘2’ when divide
What is the sum of all 3 digit numbers that leave a remainder of ‘2’ when divided by 3?
Given A = 2 65 and B = (2 64 + 2 63 + 2 62 + ….. +2 0 ), which of the followin
Given A = 2 65 and B = (2 64 + 2 63 + 2 62 + ….. +2 0 ), which of the…
The sum of the three numbers in A.P is 21 and the product of the first and third
The sum of the three numbers in A.P is 21 and the product of the first and third number of the sequence is 45….
If a rubber ball consistently bounces back $$frac{{2}}{{3}}$$ of the height fro
If a rubber ball consistently bounces back $$frac{{2}}{{3}}$$ of the height from which it is dropped, what fraction of its original height will the…
The sum of third and ninth term of an A.P is 8. Find the sum of the first 11 ter
The sum of third and ninth term of an A.P is 8. Find the sum of the first 11 terms of the progression.
If the sum of first n even natural number is equal to k times the sum of first n
If the sum of first n even natural number is equal to k times the sum of first n odd natural numbers, then k…