Questions Asked

deena123:
Group Title
in an election a voter may vote for any number of candidates but not more than the number of candidates to be elected, if there are 10 candi…
 updated 7 months ago
 7 replies
 1 Medal

deena123:
Group Title
A uniform rod of mass m and length l is rotating with constant angular velocity w about its axis which passes through its one end and perpen…
 updated 9 months ago
 13 replies
 No Medals Yet

deena123:
Group Title
If sin A , cos A , tan A are in Geometric Progression . then \[\cot^6 a\cot^2a\]= ??
 updated one year ago
 11 replies
 2 Medals

deena123:
Group Title
find integer solution for x \[\huge x^2+2=\sqrt{2^x}+4\log_2x \]
 updated one year ago
 14 replies
 1 Medal

deena123:
Group Title
find integer solution for x x^2+2=\sqrt{2^x}+4\log_2x
…
 updated one year ago
 1 reply
 No Medals Yet

deena123:
Group Title
How many pairs of integers are there such that \[\huge a^2+3b^2\] and \[\huge b^2+3a^2\] are perfect squares?
 updated one year ago
 10 replies
 No Medals Yet

deena123:
Group Title
How many pairs of integers are there such that \[a^2+6b^2\] and \[b^2+6a^2\] are perfect squares?
 updated one year ago
 15 replies
 2 Medals

deena123:
Group Title
How many pairs of integers are there such \[a^2+6b^2\] and[b^2+6a^2\] are perfect squares?
 updated one year ago
 No Medals Yet

deena123:
Group Title
What is the sum of all integer values of n satisfying 1≤n≤100, such that n^2−1 is a product of exactly two distinct prime numbers?
 updated one year ago
 16 replies
 1 Medal

deena123:
Group Title
What is the smallest positive common difference of a 6term arithmetic progression consisting entirely of (positive) prime numbers?
 updated one year ago
 20 replies
 2 Medals

deena123:
Group Title
Let S(N) denote the digit sum of the integer N. Let M denote the maximum value of N/S(N), where N is a 3digit number. How many 3digit numb…
 updated one year ago
 No Medals Yet

deena123:
Group Title
Find the sum of all 3digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of N+3.
 updated one year ago
 17 replies
 3 Medals

deena123:
Group Title
ABC is a triangle, in which 2sinB.cosC+sinC=sinA+sinB , find AC/CB
 updated one year ago
 16 replies
 No Medals Yet

deena123:
Group Title
ABC is a triangle with area equal to 20. The incircle of triangle ABC has radius equal to 2 and the circumcircle of triangle ABC has radius …
 updated one year ago
 6 replies
 No Medals Yet

deena123:
Group Title
how many integral values of n are possible for (\sqrt{n}+\sqrt{n+2013}) to be rational?
 updated one year ago
 18 replies
 No Medals Yet