Register

CAT 2009 | Question: 15

• edited by
1,278 views

Please log in or register to answer this question.

Voting & Accepting an answer helps improve the community
← PreviousNext →
← Previous in categoryNext in category →

Related questions

0 0 votes
0 0 answers
1.3k
1.3k views
Misbah Ghaya asked Dec 31, 2015
1,318 views
CAT 2009 | Question: 14
In a $400$ meter race around a circular stadium having a circumference of $1000$ meters, the fastest runner and the slowest runner reach the same point at the end of the ...
2 2 votes
1 answers 1 answer
3.0k
3.0k views
Misbah Ghaya asked Jan 1, 2016
2,952 views
CAT 2009 | Question: 20
$\text{A}$ and $\text{B}$ throw with one dice for a stake of $\text{Rs.}\;11$ which is to be won by the player who first throw $6$. If $\text{A}$ has the first throw, wha...
0 0 votes
0 0 answers
1.2k
1.2k views
Misbah Ghaya asked Dec 31, 2015
1,220 views
CAT 2009 | Question: 19
There are three coplanar parallel lines. If any $p$ points are taken on each of the lines, then find the maximum number of triangles with the vertices of these points.$p^...
0 0 votes
0 0 answers
1.6k
1.6k views
Misbah Ghaya asked Dec 31, 2015
1,560 views
CAT 2009 | Question: 17
Two vertical lamp-posts of equal height stand on either side of a road $50$ m wide. At a point $\text{P}$ on the road between them, the elevation of the tops of the lamp-...
0 0 votes
0 0 answers
1.2k
1.2k views
Misbah Ghaya asked Dec 31, 2015
1,231 views
CAT 2009 | Question: 16
If $x=1+2a+3a^{2}+4a^{2}+\dots(-1 < a < 1)$ and$y=1+3b+6b^{2}+10b^{3}+\dots(-1 < b < 1),$then find $1+ab+(ab)^{2}+(ab)^{3}+\dots$ in terms of $x$ and $y$.$\frac{x^{1/2} y...