Subject
Quantitative Aptitude
Topic
Number
The ratio of three numbers is 3:4:5 and the sum of their squares is The sum of the numbers is:
The ratio of three numbers is 3:4:5 and the sum of their squares is The sum of the numbers is:
ক)
30খ)
50গ)
60ঘ)
90Explanation
Let the numbers be 3x, 4x and 5x Then, 9x2 + 16x2 + 25x2 = 1250 <=> 50x2 = 1250 <=> x2 = 25 <=> x = 5. ∴ Sum of numbers = (3x + 4x + 5x) = 12x = (12 * 5) = 60.Related questions
On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is:Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:A number is as much greater than 36 as the less than Find the number.If one-third of one-fourth of a number is 15, then three-tenth of that number is:If the number 5 * 2 is divisible by 6, then * =?কাজের দিন ২ টাকা পাওনা এবং অনুপস্থিতির দিন ৫০ পয়সা জরিমানা এই শর্তে সেপ্টেম্বর মাসে ৪০ টাকা পেল। সে কত দিন কাজে উপস্থিত ছিল?476 ** 0 is divisible by both 3 and The non-zero digits in the hundred's and ten's places are respectively:The sum of two numbers is 25 and their difference is Find their product.