Question
Pointing a man in a photograph, Karina Said, "His mother
is the only daughter of my mother, How is Karina related to the man of photograph.Solution
Karina's statement implies that the man's mother is Karina's mother's only daughter. Therefore, the man's mother is Karina herself. So, Karina is the man's mother. Thus, the man in the photograph is Karina's son.
If a + b + c = 6, a³ + b³ + c³-3abc = 342, then what is the value of ab + bc + ca
if √1+x/121 = 13/11 then find the value of x.
If (4x + 3y): (28x - y) = 1: 5, then what is the value of (3x 2 Â + 4y 2 ): (7x 2 Â + 2y 2 )?
(a – 2) 2 + (b + 6) 2 + (c – 1) 2 = 0, then find the value of a + b – c.
- 12% of 25% of ‘A’ is equal to 40% of 15% of ‘B’. Find the value of (A + B):(A – B).
((99.9 - 20.9)² + (99.9 + 20.9)² )/(99.9 x 99.9 + 20.9 x 20.9) = ?
...- If n = 5 + √6, then find the value of (n + 1/n)².
If (a + b) = 7 and ab = 9, then find the value of (a2Â + b2).
If  x4 +  1/(x4) = 194 ,  , then find the value of  1/(x3 ) + x3  ?
...If x + y + xy = 118, such that x < y and both 'x' and 'y' are positive integers, then find minimum value of (x + y) .
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