Search found 71 matches
let probability of breaking the jar =1/z
probabilityof pulling a black ball out of a glass jar and breaking the jar= 1/x * 1/z=1/y
1/z= x/y
ans b
pls confirm me the answer
- by willbeatthegmat
Tue Feb 24, 2009 9:11 am- Forum: Problem Solving
- Topic: probability+
- Replies: 5
- Views: 1444
sorry 27 * 30/33...remainder is 18...ans is 30
What is the remainder when 1044 * 1047 * 1050 * 1053 is divided by 33? A. 3 B. 27 C. 30 D. 21 E. 18 Ans there is a shortcut to deal with such questions.. when 1044/33..remainder is 21 1047/33...remainder is 24 1050/33...remainder is 27 1053/33....remainder is 30 now, take a pair of num..at a time 2...
- by willbeatthegmat
Tue Feb 24, 2009 7:38 am- Forum: Problem Solving
- Topic: divided by 33
- Replies: 7
- Views: 5552
What is the remainder when 1044 * 1047 * 1050 * 1053 is divided by 33? A. 3 B. 27 C. 30 D. 21 E. 18 Ans there is a shortcut to deal with such questions.. when 1044/33..remainder is 21 1047/33...remainder is 24 1050/33...remainder is 27 1053/33....remainder is 30 now, take a pair of num..at a time 21...
- by willbeatthegmat
Tue Feb 24, 2009 6:31 am- Forum: Problem Solving
- Topic: divided by 33
- Replies: 7
- Views: 5552
these kinda quest tortures me.....can someone tell me the technique to tackle such questions?????????
Thanks...
- by willbeatthegmat
Tue Feb 24, 2009 6:16 am- Forum: Problem Solving
- Topic: |2x + 3| > |7x - 2|
- Replies: 7
- Views: 2192
- by willbeatthegmat
Tue Feb 24, 2009 5:16 am- Forum: Problem Solving
- Topic: keystrokes
- Replies: 2
- Views: 2049
According to the question, the divisor shud divide 242-8 = 234, 698-9= 689 & 936. Look for the number that divides all the 3 number evenly. Only option C-13 satisfies the condition.
- by willbeatthegmat
Tue Feb 24, 2009 5:09 am- Forum: Problem Solving
- Topic: divisor?
- Replies: 2
- Views: 1434
If both 11^2 and 3^3 are factors of the number a * 4^3 * 6^2 * 13^11, then what is the smallest possible value of a? A. 121 B. 3267 C. 363 D. 33 E. None of the above Ans If 11^2 and 3^3 are factors of the number a * 4^3 * 6^2 * 13^11 , that means a * 4^3 * 6^2 * 13^11 should be divisible by 11^2 and...
- by willbeatthegmat
Tue Feb 24, 2009 4:58 am- Forum: Problem Solving
- Topic: 11^2 and 3^3 are factors
- Replies: 5
- Views: 1763
+ve integer a b x y
If a,b,x& y are positive integers, wat is the value of a-b?
1)x^a=3.x^b
2)y^a=4.y^b
ans A
- by willbeatthegmat
Fri Feb 13, 2009 2:04 pm- Forum: Data Sufficiency
- Topic: +ve integer a b x y
- Replies: 1
- Views: 1085
exponents
x & y are positive integers.If 5^x - 5^y= 2^(y-1).5^(x-1), wat is d value of xy?
48
36
24
18
12
ans 12
- by willbeatthegmat
Fri Feb 13, 2009 1:57 pm- Forum: Problem Solving
- Topic: exponents
- Replies: 5
- Views: 1559
roots...
a^2/3 - b^2/3 = 12, then a^1/3+b^1/3=??
1)a^1/3 - b^1/3=2
2)a= 4
OA a
I was left with b^2/3 = 4 in statment 2...y is the ans not d
- by willbeatthegmat
Fri Feb 13, 2009 1:53 pm- Forum: Data Sufficiency
- Topic: roots...
- Replies: 2
- Views: 1265
- by willbeatthegmat
Wed Feb 11, 2009 7:10 am- Forum: Problem Solving
- Topic: reciprocal of 2 consecutive integers.....
- Replies: 5
- Views: 2968
number properties
If f(x)= 125/x^3, wat is the value of f(5x)/f(x/5) in terms of f(x)??
OA [spoiler](f(x))^2[/spoiler]
i m getting 1/5^6...wher m i goin wrong
- by willbeatthegmat
Wed Feb 11, 2009 7:00 am- Forum: Problem Solving
- Topic: number properties
- Replies: 3
- Views: 1473
reciprocal of 2 consecutive integers.....
If the reciprocal of 2 consecutive integers r added to one another , wat is the sum in terms of greater integer x?
OA [spoiler](2x-1)/(x^2-x)[/spoiler]
- by willbeatthegmat
Wed Feb 11, 2009 6:38 am- Forum: Problem Solving
- Topic: reciprocal of 2 consecutive integers.....
- Replies: 5
- Views: 2968
- by willbeatthegmat
Wed Feb 11, 2009 6:34 am- Forum: Problem Solving
- Topic: exponents prob 2....
- Replies: 6
- Views: 1548
ans is k = 3^11 - 1.....marcusking ur ans is in exact numb...i think i shud hve mentioned ans to evade big calculations...thanks so much..danaj knows it all
- by willbeatthegmat
Wed Feb 11, 2009 6:29 am- Forum: Problem Solving
- Topic: If 3^(k+1) = (3^9)^3^9 , then k=???
- Replies: 10
- Views: 2322