CAT 2020 Slot 3 QA Question & Solution
ArithmeticEasy
Question
In the final examination, Bishnu scored 52% and Asha scored 64%. The marks obtained by Bishnu is 23 less, and that by Asha is 34 more than the marks obtained by Ramesh. The marks obtained by Geeta, who scored 84%, is
Options
357
417
439
399
Solution
Let the total marks be 100x
Marks obtained by Bishnu = 52x
Marks obtained by Asha = 64x
Marks obtained by Ramesh = 52x+23
Marks obtained by Ramesh = 64x-34
=> 52x+23 = 64x-34
=> x = $\frac{19}{4}$
Marks obtained by Geeta =84x = 84*19/4 = 399