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What is the sum of the first 14 terms of an arithmetic progression if the first term is -21 and last term is 40?
Find the mode for the given distribution.
(rounded off to two decimal places).
Find the variance of the following data points:
6, 7, 5, 9, 11, 14
The ratio of selling price, cost price, and marked price of an article is 4:2:7, respectively. If there is a profit of Rs. 600 in the transaction, then ...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 15 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Amish invested 2500 Rupees in each of these schemes, offering simple interest of 12% per annum. 16% P.A. and 15% PA. respectively. Find the total intere...
If p = q + 2, where q is the product of six consecutive positive integers, then which of the following is/are true?
a. p is a perfect cube
If P represents the largest single-digit prime number, determine the fourth proportional to the numbers (P + 3), (P - 2), and (P + 5).
The sum of three numbers is 226. If the ratio of the first to the second is 4:5 and that of second to the third is 7: 10 then the second number is?
If the sum of n numbers in the GP 3, 6, 12, ... is 765 then n is?