Question
Three positive numbers are in the ratio 2:3:4. The sum
of their squares is 2349. The average of the largest and the second largest number is:Solution
Let the three numbers be 2x, 3x and 4x, respectively.ATQ;(2x) 2 + (3x) 2 + (4x) 2 = 2349Or, 4x2 + 9x2 + 16x2 = 2349Or, 29x2 = 2349Or, x2 = 81So, x = 9 (Since, numbers are positive therefore we can discard the negative root)So, required average = {(3 X 9) + (4 X 9) } ÷ 2 = (63/2) = 31.5
RBI will issue a penalty of Rs. _____ per ATM/WLAs for banks for CAsh-out for more than 10 hours in a month.
If B is coded = 4, D is coded = 8, and E is coded = 10, then what will be the code for J?
When is Constitution Day celebrated?
Match the following.
On the bank of now dry course of which river, the ancient city of Harappa was built?Â
How many states are there in India?
The National Income Committee, which was formed to prepare authoritative estimates of India’s national income after independence, was established in w...
When was the Morley-Minto Reforms’ Indian Council Act passed?
SIMBEX is a military exercise conducted between the defense forces of which of the following nations?
What is the new limit for Mudra loans as per the Union Budget 2024-2025? Â