Aptitude - Problems on Numbers - Discussion
Discussion Forum : Problems on Numbers - General Questions (Q.No. 14)
14.
The sum of two number is 25 and their difference is 13. Find their product.
Answer: Option
Explanation:
Let the numbers be x and y.
Then, x + y = 25 and x - y = 13.
4xy = (x + y)2 - (x- y)2
= (25)2 - (13)2
= (625 - 169)
= 456
xy = 114.
Discussion:
30 comments Page 3 of 3.
Tanishqa said:
9 years ago
How to substitute the value of x and y?
ManiKumar said:
1 decade ago
Every One Just follows Prashanth one.
Manikandan said:
1 decade ago
hi Prashanth it is good....
Papa said:
4 years ago
How 4xy? Please explain me.
(11)
Kakali tripathi said:
9 years ago
Thanks @Prashanth.
MANJUNATHYADAV said:
1 decade ago
HOW 4XY HAS COME?
Hitesh said:
1 decade ago
Why taken 4xy?
Charles said:
1 decade ago
Thanks guys.
Vaishu said:
1 decade ago
How 4xy?
Veena said:
1 decade ago
How 4xy?
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers