Question
If ab×cd=3337 and ba×cd=799, find the value of (ab+cd) given that ab, ba and cd are all two digit positive integers.
Answer: Option B
:
B
Was this answer helpful ?
:
B
1st Method: - 71×47=3337 and 17×47=799, so ab+cd=118 (Option b).
2nd Method: - Odd × Odd = Odd and Odd + Odd = Even.
From the question we can conclude that all the four numbers are odd numbers. So the required answer has to be even, only option (b) is even.
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution