Question
If a 2 + b 2 + c 2 =
240 and ab – bc – ca = 64, then find the value of (a + b – c) 2 .Solution
(a + b – c) 2 = a 2 + b 2 + c 2 + 2(ab – bc – ca)
= 240 + 2 × 64 = 368
Which of the following symbols should be placed in the blank spaces (_) respectively (in the same order from left to right) to complete the given expre...
Statement: J < L; J ≥ H > K; L ≥ F > M
Conclusion:
I. K ≥ L
II. F ≥ J
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Conclusion: I. U < X II. I > T
In the question, assuming the given statements to be true, find which of the following conclusion(s) among the three conclusions is/are definitely true...
Statements: M = R ≥ S , N = O > Q, Q > W = A < S
Conclusions :I. N ≥ S II. W > R III. O ≤ S
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: Z ≤ B = G; I > U; I < W < G; Z ≤ X < S
Conclusions:
I. Z < W
II. U < B
III. X > I
Statement: L ≥ M ≤ R = S; M > N ≥ P
Conclusions: I. P ≤ M II. L > N
Statements: T # L # C $ X & Y % E % F
Conclusions:
I. Y @ F
II. Y & F
III. Y & C
...Which among the following signs correctly fit in the blank in the same order B _ C _ D _ E _ F _ G _ H, in order to make the expressions D ≤ F and H >...
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