Search found 16 matches

Thu Dec 22, 2016 12:01 am
Forum: Algebra
Topic: Blended with equations
Replies: 1
Views: 351

Blended with equations

\$ab + bc\$ \$= 130\$
\$bc + ca\$ \$= 168\$
\$ca + ab\$ \$= 228\$
Find the value of \$a + b + c\$ from the given set of equations
Wed Dec 21, 2016 11:45 pm
Forum: Number Theory
Topic: Stuck! Pls help quick
Replies: 2
Views: 527

Stuck! Pls help quick

The LCM of two numbers is \$7\$ times of their GCD. If the sum of numbers is \$392\$, then find out their GCD.
Fri Feb 05, 2016 11:11 pm
Forum: Primary Level
Topic: Divisional Math Olympiad, Dhaka-2016,primary, ques. 7
Replies: 10
Views: 2579

Re: Divisional Math Olympiad, Dhaka-2016,primary, ques. 7

I didn't understand why are we taking \$99\$ to prove the problem
Sat Jan 30, 2016 9:30 pm
Forum: Primary Level
Topic: Divisional Math Olympiad, Dhaka-2016,primary, ques. 7
Replies: 10
Views: 2579

Divisional Math Olympiad, Dhaka-2016,primary, ques. 7

I am not able to solve the question. Please help me soon! x is a two-digit positive number and y is a three digit positive number The values of x and y is such that if x is added by y % and if y is subtracted by x %, the result will be the same How many numbers can be replaced with x or y such that...
Fri Jan 29, 2016 10:21 pm
Forum: National Math Olympiad (BdMO)
Topic: Math Problem 1
Replies: 2
Views: 940

Re: Math Problem 1

Here is my solution: The average mark of the students is \$70\$ the total obtained marks will be \$70*2=140\$, since AVERAGE = SUM OF THE QUANTITY\$/\$NUMBER OF QUANTITIES NOW, given that the number of student is \$20\$, we can take that, number of students scoring \$ < 60 = 10\$ number of students scoring \$...
Thu Jan 28, 2016 10:01 pm
Forum: Primary Level
Topic: Any Primary Category student?
Replies: 5
Views: 2387

Re: Any Primary Category student?

Well it is better not to try anything catchy but I am a primary category student!!!
Sat Feb 07, 2015 10:23 pm
Forum: Primary Level
Topic: help!
Replies: 12
Views: 1989

Re: help!

can't anyone find the answer i cannot do it so i posted it.
N:B:logic and reason must be given.
Wed Feb 04, 2015 11:04 pm
Forum: National Math Olympiad (BdMO)
Topic: BdMO National Primary 2011/4
Replies: 4
Views: 1343

Re: BdMO National Primary 2011/4

thank you
Sat Jan 31, 2015 9:57 pm
Forum: Primary Level
Topic: FIND THE NEXT THREE TERM
Replies: 4
Views: 1743

Re: FIND THE NEXT THREE TERM

i do not understand
Sat Jan 31, 2015 9:35 pm
Forum: Primary Level
Topic: A problem to solve
Replies: 10
Views: 4203

Re: A problem to solve

tanmoy wrote:
BigBadWolf wrote:Solution is nice and simply but the way you managed to solve it Tanmoy is definitely not for kids. I showed this to my younger sister and well...it ended up with her slamming the door at calling me a doofus
but it is simple to me.