Search found 28 matches
tossing a coin
stella and annie are gaming which involves tossing a coin. the game is played in the following manner, stella will toss the coin 4 times in a row. if on any of the coin tosses the side that comes up is the same as the one on the immideately previous throw then stella will lose the game immideately a...
- by sgr21
Wed Jun 04, 2014 9:37 am- Forum: Problem Solving
- Topic: tossing a coin
- Replies: 3
- Views: 1521
profit and loss
The profit earned when an article is sold for $ 600 is double the loss incurred when the article is sold for $150. At what price should the article be sold if a profit of 20% is to be earned?
(A)$150
(B) $300
(C) $360
(D)$400
(E) $450
- by sgr21
Wed Jun 04, 2014 1:56 am- Forum: Problem Solving
- Topic: profit and loss
- Replies: 4
- Views: 4216
machines
Machine A & machine B working together can finish producing a container load of widgets in 7 1/7 hours. Machine A can alone finish producing a container load of widgets in 10 hours and machine B can alone finish producing the same in 25hours. both machine A and B are started together to produce ...
- by sgr21
Mon Jun 02, 2014 12:22 am- Forum: Problem Solving
- Topic: machines
- Replies: 3
- Views: 1529
integers
Of the three-digit integers greaterthan 700, how many have two digits that are equal to each other and the remaining digit different from the other two? (A) 90 (B) 82 (C) 80 (D) 45 (E) 36 P.S. please can anyone give me a brief intro about integers as this is the first time i am studying gmat and als...
- by sgr21
Wed Apr 16, 2014 9:36 am- Forum: Problem Solving
- Topic: integers
- Replies: 3
- Views: 1576
- by sgr21
Tue Apr 15, 2014 11:39 pm- Forum: Problem Solving
- Topic: f(x) =?
- Replies: 2
- Views: 1349
integers
If n # z = n2 - nz - 2(z-2)n for integers n and z, what is the value of 2#2?
A) -1
B) -2
C) 2
D) 0
E) 1
- by sgr21
Tue Apr 15, 2014 11:30 pm- Forum: Problem Solving
- Topic: integers
- Replies: 2
- Views: 1465
confused
What is the unit's digit of 7^{75}+6?
(A) 1
(B) 3
(C) 5
(D) 7
(E) 9
the answer i get is 1 bt some of my friends got their answer as 9
helppp plzzzz
- by sgr21
Mon Apr 14, 2014 1:41 am- Forum: Problem Solving
- Topic: confused
- Replies: 2
- Views: 1253
multiplen
how many such numbers are there between 1& 500 that are multiples of either 3 & 7 or both?
- by sgr21
Wed Mar 12, 2014 2:21 am- Forum: Problem Solving
- Topic: multiplen
- Replies: 5
- Views: 1707
age ratio
if the ages of steve and jack are currently in the ration 3:5.after six years their ages are in the ratio of 2:3.what will be jacks age after 4 years?
- by sgr21
Wed Mar 12, 2014 1:51 am- Forum: Problem Solving
- Topic: age ratio
- Replies: 5
- Views: 2186
milkman
A bucket contains 1 litre of milk. A milkman removes 10% of the content of the bucket and replaces it with water. The next day the milkman again does the same operation and removes 10% of the contents of the bucket and replaces it with water. He then sells the one litre of milk to a customer at the ...
- by sgr21
Fri Mar 07, 2014 6:50 am- Forum: Problem Solving
- Topic: milkman
- Replies: 3
- Views: 3545
- by sgr21
Fri Mar 07, 2014 12:31 am- Forum: Problem Solving
- Topic: missing term
- Replies: 4
- Views: 9504
race
annie and stephanie are running a 5000 meters race,anne finishes the race 40s before stephanie,if it is known that stephanies speed while running was 25m/s. what was annies speed?
A 20 M/S
B 28.75 M/S
C 31.25 M/S
D 34.50 M/S
- by sgr21
Fri Dec 06, 2013 12:41 am- Forum: Problem Solving
- Topic: race
- Replies: 5
- Views: 1248
- by sgr21
Thu Dec 05, 2013 1:15 am- Forum: Problem Solving
- Topic: days
- Replies: 4
- Views: 1384
days
two men A & B can finish a piece ofwork in 12 days, A alone can finish the work in 48 days.however just before A & B start work B suffers an injury and works only at half of his previous efficiency.in how many days does A and injured B finish the work(if the answer is fraction round it off t...
- by sgr21
Wed Dec 04, 2013 6:29 am- Forum: Problem Solving
- Topic: days
- Replies: 4
- Views: 1384
- by sgr21
Sat Nov 23, 2013 2:06 am- Forum: Problem Solving
- Topic: value of m?
- Replies: 2
- Views: 992