Directions : Given below is no. of male & female students in classes A, B & C.…
IBPS · 2019
Directions : Given below is no. of male & female students in classes A, B & C. some data are missing which you have to calculate as per instructions provided.
NOTE:
(i) probability of selecting a boy from class A is 5/12 .
(ii) probability of selecting a boy from all the boys of all classes is 14/19 such that the boy selected is either from class B or class C.
(iii) probability of selecting a boy from class B is equal to probability of selecting a boy from class C.
By what percent total students in class B are more than that of in class A?
- A.
16 ⅔%
- B.
37 ½%
- C.
25%
- D.
33 ⅓%
- E.
None of these
Attempted by 11 students.
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Correct answer: D
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