official quant thread for cat08

[HYgoldking]

Q2) P,Q,R,S and T are five prime numbers where P<Q<R<S<T .It is also given that P+Q+R+S+T=482. What is the value of PS?
a) 243 b) 32 c) 16807 d) More than one value

Since Sum is even number (482), atleast one of the five number is even. Only even prime number 2. So P is 2.

Answer is (a) 243

[hi.shivani]

Answer:
Hey lets have a logical reasoning session to get the answer...
Key to answer:
1) i)The answer for this is an even number.
ii) It is divisible by 3,but not 9.


2) i) The number is in the form 6k+y,
0<y<5
ii) y is an even number

3) i) The sum of the digits is prime number(=k)
ii) And k+5 is divisible by 10.

Hope i m nt bothering u all much...

[made_for_iims]

Originally Posted by hi.shivani

Answer:
Hey lets have a logical reasoning session to get the answer...
Key to answer:
1) i)The answer for this is an even number.
ii) It is divisible by 3,but not 9.


2) i) The number is in the form 6k+y,
0<y<5
ii) y is an even number

3) i) The sum of the digits is prime number(=k)
ii) And k+5 is divisible by 10.

Hope i m nt bothering u all much...

i didnt understand the keys.... yeh kis question ki keys hai??

[masoom]

Originally Posted by hi.shivani

Answer:
Hey lets have a logical reasoning session to get the answer...
Key to answer:
1) i)The answer for this is an even number.
ii) It is divisible by 3,but not 9.


2) i) The number is in the form 6k+y,
0<y<5
ii) y is an even number

3) i) The sum of the digits is prime number(=k)
ii) And k+5 is divisible by 10.

Hope i m nt bothering u all much...

same here

[hi.shivani]

@ made 4 mba and masoom

to the questions i posted here pg-619)
http://www.pagalguy.com/forum/quanti...cat08-619.html (official quant thread for cat08)

[hi.shivani]

oops sorry its made for iims...

[hi.shivani]

ok,not intending to bother u all more and get curse from ur side...
the correct answer is "b" for all the three...

[vivek417]

Originally Posted by hi.shivani

Answer:
Hey lets have a logical reasoning session to get the answer...
Key to answer:
1) i)The answer for this is an even number.
ii) It is divisible by 3,but not 9.


2) i) The number is in the form 6k+y,
0<y<5
ii) y is an even number

3) i) The sum of the digits is prime number(=k)
ii) And k+5 is divisible by 10.

Hope i m nt bothering u all much...

I am not getting any link between the questions & d keys...

May be high funda.....

Thanks
Vivek

[made_for_iims]

Originally Posted by hi.shivani

ok,not intending to bother u all more and get curse from ur side...
the correct answer is "b" for all the three...

If P=2... then how can PS = 32...
I think answer to question 2 is wrong

[naiquevin]

Originally Posted by HYgoldking

Q2) P,Q,R,S and T are five prime numbers where P<Q<R<S<T .It is also given that P+Q+R+S+T=482. What is the value of PS?
a) 243 b) 32 c) 16807 d) More than one value

Since Sum is even number (482), atleast one of the five number is even. Only even prime number 2. So P is 2.

Answer is (a) 243

hi
I didnt get 'Since Sum is even number (482), atleast one of the five number is even' concept..
Can't we have 5 as one of the no and the sum of remaining four nos = 477?

acc. to me,
16807=7^5 and 32=2*16 , no two prime nos can satisfy the conditions...so these two are ruled out. Ans is 243.
Although Im not so confident
What abt the 4th option.........I dont get what case to consider..