Recent questions tagged cat2019-1

2 votes
1 answer
65
If $m$ and $n$ are integers such that $(\sqrt{2})^{19}3^{4}4^{2}9^{m}8^{n}=3^{n}16^{m}(\sqrt[4]{64})$ then $m$ is$-20$$-12$$-24$$-16$
2 votes
1 answer
69
Let $\text{S}$ be the set of all points $(x,y)$ in the $x-y$ plane such that $|x|+|y|\leq 2$ and $|x|\geq 1$. Then, the area, in square units, of the region represented b...
1 votes
1 answer
70
On selling a pen at $5\%$ loss and a book at $15\%$ gain, Karim gains Rs. $7$. If he sells the pen at $5\%$ gain and the book at $10\%$ gain, he gains Rs. $13$. What is t...
1 votes
1 answer
71
1 votes
1 answer
75
Corners are cut off from an equilateral triangle T to produce a regular hexagon H. Then, the ratio of the area of H to the area of T is $5:6$$4:5$$3:4$$2:3$
2 votes
1 answer
76
With rectangular axes of coordinates, the number of paths from $(1,1)$ to $(8,10)$ via $(4,6)$, where each step from any point $(x,y)$ is either to $(x,y+1)$ or to $(x+1,...
1 votes
1 answer
77
2 votes
1 answer
78