Question
If the average of s number is r⁴ and the average r
number is s⁴, then find the average of all r+ s numbersSolution
The average of the s number is = r⁴ total sum of s number = r⁴ × s and the average of r number = s⁴ total of r number = s⁴ × r so now the average of r +s number = (r⁴ × s + s⁴ × r )/ r + s = r s (r³ +s³)/r +s =r s (r+ s) (r² +s² -r s)/r + s =r s (r² +s² -r s)
Statements: Z > V = J; V > I; A ≤ D ≤ F = Z
Conclusions:
I. V < D
II. F > J
III. J > I
In which of the following expressions will the expression ‘U < W’ be definitely true?
Statements: E > F = G; H < I = F; J > I
Conclusions: I) J > G
II) E < J
III) H > E
In these questions, relationship between different elements is shown in the statements. These statements are followed by two conclusions.
St...
Which of the following should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expressio...
Statements: L < M > P ≥ Q; N > O > M
Conclusions:
I. N ≥ Q
II. O > L
III. L = Q
Statements: H = G ≥ F, F > A ≥ B > C, C > D > E = J
Conclusions:
I. C < H
II. A > J
III. H ≥ E
What is the place of question mark (?) in the given expression does the expression L < I and W > L is definitely true?
W = P ≥ M ? L ; P ≤ I
Statements: K ≥ N = I ≥ H ≤ U; B = S ≤ I
Conclusion: I. B < K II. B = K
...Three statements, showing relationship between different elements, are followed by three conclusions (I). (II) and (III). Assuming the statements to be ...
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