If βΓβ means β+β, βΓ·β means βββ, βββ means βΓ·β, β+β means βΓβ, what will come in place of the question mark (?) in the following equation?
27 Γ· 288 + 2 Γ 22 β 2 = ?
Read the given statement(s) and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statement(s).
Statements:
No river is a mountain.
Some mountains are lakes.
All lakes are ponds.
Conclusions:
(I) Some lakes are not rivers.
(II) Some lakes are mountains.
(III) Some ponds are mountains.
The difference between the ages of a father and son is 35 years. Five years from now the fatherβs age would be double that of the sonβs age. What is the sonβs present age?
