Latest TCS Aptitude Question SOLUTION: A, B, C, D, E, F and G are seven positive integers. I) AB is odd. II) C+ DE is odd. III) AD is odd. IV) F – G is odd. How many of the above integers are odd? a) 5 b) 3 c) 4

• Placement Papers
• /
• TCS

TCS Question Papers: TCS Interview Experience(90) TCS Company Profile

(#M40003584) TCS question Keep an EYE

A, B, C, D, E, F and G are seven positive integers.
I) AB is odd. II) C+ DE is odd.
III) AD is odd. IV) F – G is odd.
How many of the above integers are odd?
a) 5 b) 3 c) 4 d) 6

Asked In TCS ravi agarwal (12 years ago)

Unsolved Read Solution (4)

Is this Puzzle helpful?   (13)   (6) Submit Your Solution

Read Solution (4) :

kiran kumar reddy  (12 years ago)

ans:6=A,B,C,D,F,G;Emust be even
1.AB odd means (odd x odd = odd) A&B odd;
2.AD odd means (odd x odd = odd) D odd;
3.case1:C+DE odd means(odd+even = odd) so C must be odd E must be even;

4.case2:C+DE odd means(odd+even = odd) so E must be odd C must be even;
it meanes C or E odd.(with selp of step5 c must be odd)
5.FACG odd means (odd x odd = odd) F,A,C,G is odd;

Is this solution Helpfull? Yes (28) | No (1)  

Rajkiran R B  (12 years ago)

Answe is a) 5

Since AB is odd, B is odd - 1
Since C + DE is odd, either C or E is odd - 1
Since AD is odd, D is odd - 1
F & G are odd - 2

Is this solution Helpfull? Yes | No (14)  

shazia naaz  (8 years ago)

answer is c because AB is odd so B is odd
c+DE is odd so eiher c is odd or E is odd
AD is odd so D is also odd
F-G is odd so in his case also either of F or G is odd.
there are 4 no which are odd

Is this solution Helpfull? Yes | No   

vipul sahu  (8 years ago)

kiran F and G both cannot otherwise F-G will be even
so ans is 5

Is this solution Helpfull? Yes | No   

Please Login to Read Solution.