Question

A math teacher gave her class two tests. Twenty-five percent of the class passed both tests and 42 percent of the class passed the first test. What percent of those who passed the first test also passed the second test?
Answer

5%

10.5%

15.5%

25%

Answer 1

P(passed the second test / passed the first test) = P(passed both test)/P(passed the first test)

Answer 2

= 25/42

Answer 3

options are wrong

Answer 4

the answer should be 60%

Answer 5

but there is no option.

Answer 6

looks like options are wrong

Answer 7

:/

Answer 8

ok thnx anyways.

Answer 9

i have a question :-
Isn't the same ???

Answer 10

@ganeshie8

Answer 11

@sauravshakya

Answer 12

mere hisab se yeh done sentence same hi hain(highlited with blue and black)

Answer 13

25% passed both tests
42% passed first test

that gives 25/42 = 59.5% for the ratio asked right ?

Answer 14

1st sentence :-
25 % class dono test pass kr leti hain

2nd sentence :-
kitne percent class jo first test pass kr leti hain aur second test bhi

Answer 15

yeh ^^^^ dono ka meaning same hi to hain. @ganeshie8

Answer 16

@sauravshakya can you please tell me ????

Answer 17

@ganeshie8

Answer 18

the question is asking what percent of student passed the second test out of the 42 students that passed the first test

Answer 19

NOT out of the total students, which is 25%

Answer 20

oh!!!! i see

Answer 21

thank you!!