Kiran Expert Team Solutions for Chapter: Mock Test Model Practice Set, Exercise 39: Quantitative Aptitude

A metallic sphere is melted and moulded to form conical-shaped bullets. If the radius of the bullet is twice of its height and the radius of the bullet is half of the radius of the metallic sphere, then what is the number of bullets formed?

A chord of length $24cm$ is drawn in a circle of diameter $40cm$. Another chord of length $32cm$ is drawn in the same circle parallel to $24cm$ long chord. What is the minimum distance (in $cm$.) between them?

A canister holds $36$ litres of mixture of milk and water in the ratio $3 : 1$. $15$ litres of milk is added to the canister. The new ratio of he mixture is:

If the perimeter of a circle $A$ is equal to the perimeter of semicircle $B$, what is the ratio of their areas?

The C.P. (Cost Price) of $10$ articles is equal to the S.P. (Selling Price) of $15$ articles. What is the profit or loss percentage?

If the length of a rectangle is increased by $50\%$, by how much percent its breadth should be reduced to keep the area same?

In a $△PQR$, $PD$ is the median and $G$ is centroid. If $PG=24 cm$, then what is the length (in of $cm$) $PD$?

The tangents drawn at the points$P$ and $Q$ of a circle centred at $O$ meet at $A$. If $\angle POQ=120°$, then what is the ratio of $\angle PAQ : \angle PAO$?