Question
A solid spherical gold ball
having a radius of 10 cm is melted to form smaller balls of radius 5 mm each. Find the number of such spherical gold balls obtained.Solution
ATQ,
The volume of the larger ball will be equal to the combined volume of all the smaller balls. Let the number of smaller obtained be ‘n’. Therefore, 
Simplifying, 
Thus, the number of smaller balls obtained is 8000 .
Who among the following belong to the Sales department?
Which of the following combinations is definitely correct?
Who among the following likes Labrador?
Which of the following groups live on the odd numbered floors?
Statements:
P = T < U; Y ≥ P < R; X ≤ Y > Z
Conclusions:
I. R < U
II. Y > T
Four of the following five are alike in a certain way and hence form a group. Which one of the following that does not belong to the group?
Who lives on floor number Two?
Which of the following statements is true as per the given arrangement?
Sonu likes which of the schools?
How many persons attend the exams between K and the one who attends Reasoning exam?
