Question
If x – y = 1 and x2 + y2 = 41
where x, y ≥ 0, then the value of x + y will be:Solution
(x - y)² = x² - 2xy + y²  x - y = 1 and x2 + y2 = 41 (x - y)² = x² - 2xy + y²  1 = 41 - 2xy  xy = 20 now - (x + y)² = x² + 2xy + y² =41+2×20 (x + y)²=81 x+y =9.
Statement:Â C < P > T = E < R; G > R > A < D
Conclusions:
I. T < G
II. G ≥ P
III. T > A
In the question, assuming the given statements to be true, find which of the conclusion (s) among given three conclusions is/are definitely true and t...
Statements: G > L = H ≥ P = I; J < M = H ≤ A; K > F > I
Conclusions:
I. J < G
II. F > M
III. P = A
Statements: A > C = B ≥ D ≥ F, B = G ≤ H < E
Conclusions:
I. A > G
II. H ≥ F
III. E > C
Statements: M < N = O ≤ Q, M > U = L ≥ P ≥ S
Conclusions:
I. N > L
II. U < O
III. O > LStatements: U = R < M < Q < P; A > B > E < R < T; I < N = B > U > X
Conclusions:
I.  P ≤ U
II. Â T > A
...In the question assuming the given statements to be true, find which of the conclusion(s) among given three conclusions is/are definitely follows and t...
Statements:
A ≥ B = C; D = E ≤ F ≥ A
Conclusion:
I. C < D
II. E ≤ B
Which of the following set of symbols should be placed in the blanks respectively (from right to left) in the given expression in order to make the expr...
In the question, relationship between some elements is shown in the statements (s). These statements are followed by two conclusions. Read the stateme...
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