x = 4y
So
4y×y=2500
4y^2=2500
y^2=(2500/4)=625
y=(square root of 625)=25
Thus x is (25×4)=100
Hence
x + y = (100 + 25) = 125
107) The product of two positive numbers is 2500. If one is four times the other, then the sum of two numbers is
Answer is:
125
Explanation:
Related RRB JE Mechanical Question Paper 2014 (Set-1) with Answer Key
Answer is:
10 years
Explanation:
Let C's age be x years. Then, B's age = 2x years. A's age = (2x + 2) years.
∴ (2x + 2) + 2x + x = 27
⇒ 5x = 25
⇒ x = 5.
Hence, B's age = 2x = 10 years.
Answer is:
Rs. 80000
Answer is: