[ajayreddy]

Originally Posted by nidhisoni24

Is u>v ?
1) u^2=v^2
2) u,v>0
A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
D) Each statement alone is sufficient to answer the question.
E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

i think answer cant be determined

using st.1 alone,

u = +2 v = -2 and
u = -2 v = +2 both satisfy st.1
hence, st.1 alone is not sufficient

using st.2 alone,
u = 3 v = 4 and
u = 4 v = 3 both satisfy st.2
hence, st.2 alone is not sufficient

using both st. together,

u has to be equal to v in all cases...hence, u is never greater than v

answer is C...

[slam]

Originally Posted by nidhisoni24

Is u>v ?
1) u^2=v^2
2) u,v>0
A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked.
B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked.
C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone.
D) Each statement alone is sufficient to answer the question.
E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements.

i think answer cant be determined

u^2 = v^2 implies u = v or u = -v.
so you can't say whethere u>v or not.

statement 2 implies that u and v are both positive. so using both the statements, we can say that
u = v.

so the answer is (C).

[dkny.jakhar]

well....pt well...discussed by slam...over here,,the ans is C...as by using both the statements together-we can reach a common solution,which is not the case if we use either statement alone...regards,dkny.jakhar..P.S. can we have some more questions plz

[carobee]

What is the value of X, if X and Y are two distinct integers and their product is 30?
(1) X is an odd integer
(2) X > Y

[dkny.jakhar]

ih there....

my ans is E....

CASE-I: -6*-5=30, SO BY 1) if x is odd then X= -5 and Y=-6
BY 2) if X>Y,then X=-5 and Y=-6



CASE-II: 6*5=30, by 1) if X is odd X=5 and Y=6
by 2) if X>Y , X=6&Y=5


So, we can clearly see that we cannot have a defined common answer because we need to consider both the CASES...

open to feedback and suggstion


regards

dknyjakhar

Originally Posted by carobee

What is the value of X, if X and Y are two distinct integers and their product is 30?
(1) X is an odd integer
(2) X > Y

[slam]

Originally Posted by dkny.jakhar

ih there....

my ans is E....

CASE-I: -6*-5=30, SO BY 1) if x is odd then X= -5 and Y=-6
BY 2) if X>Y,then X=-5 and Y=-6



CASE-II: 6*5=30, by 1) if X is odd X=5 and Y=6
by 2) if X>Y , X=6&Y=5


So, we can clearly see that we cannot have a defined common answer because we need to consider both the CASES...

open to feedback and suggstion


regards

dknyjakhar

adding on:
-1 * -30 = 30, and -1 > -30

-3 * -10 = 30 and -3 > -10

supporting E and still open to suggestions.

slam.

[ajayreddy]

Originally Posted by carobee

What is the value of X, if X and Y are two distinct integers and their product is 30?
(1) X is an odd integer
(2) X > Y

using st.1 alone,
X can either be 3 or 5 in which case Y will be 10 or 6 resp.
hence, st.1 alone is not sufficient

using st.2 alone,
X can either be 6 or 10 in which case Y will be 5 or 3 resp.
hence, st.2 alone is not sufficient.

using both st. together,
X can either be -3 or -5 in which case Y will be -10 or -6 resp.
hence, both st. together are not sufficient.

hence, answer is E...

[carobee]

you all are rite guys!!!!!
here is the ans and the explanation
The correct choice is (E).
30 can be obtained as a product of two distinct integers in the following manner
1 * 30 (-1) * (-30)2 * 15 (-2) * (-15)3 * 10 (-3) * (-10)5 * 6 (-5) * (-6)Statement 1: From this statement, we know that the value of X is odd. Therefore, X can be one of the following values: 1, -1, 3, -3, 5, -5. So, using the information in statement I we will not be able to conclusively decide the value of X. Hence, statement I alone is not sufficient to answer the question.

Statement 2: From this statement, we know that the value of X > Y. From the given combinations, X can take more than one value. Hence, using the information in statement II, we will not be able to find the value of X.

Combining the two statements, we know that X is odd and that the value of X > Y.
The combinations that satisfy both the conditions include X taking the value of -1, -3 and -5.

As the information provided in the two statements independently or together are not sufficient to answer the question, the answer choice is (E).

long explanation !!!!!!!!!!!!11

[dkny.jakhar]

@caorbeegood explanation, nice one....next one pls..regardsjakhar

[paki]

Guys need your help in the following DS problems. Pls. include explanations!

I)
The average (arithmetic mean) weight of four balls is 20 pounds.
How many of the balls weigh more than 20 pounds?
1) The median weigh of the balls is 20 pounds
2) None of the balls weighs 20 pounds


II)
The high temperatures recorded for each day of a period of 5 consecutive days in February were 34, 30, x, 32, and x degrees Fahrenheit. What was the mode of these temperatures?
1) The median of the five temperatures is equal to the mode
2) The average(arithmetic mean) of the five temperatures is 32