Wipro Company Numerical Ability Percentage

In an examination, 80% of the students passed in English, 85% in Methematics and 75% in both English and Mathematics. If 40 students failed in both the subjects, the total number of students is :

a. 200
b. 400
c. 600
d. 800

Read Solution (Total 2)

ans- 400
x*20%+x*15%-x*25%=40
x=Total Student=400
10 years agoHelpfull: Yes(3) No(2)

total passed sudent = 80+85-75 =90%
10% of total are failed i.e. 40 students
10%of total=40
total=400
7 years agoHelpfull: Yes(2) No(1)

Wipro Other Question

In a certain office, 72% of the workers prefer tea and 44% prefer coffee. If each of them prefers tea or coffee and 40 like both, the total number of workres in the office is :

a. 200
b. 240
c. 250
d. 320 In an examination, 35% candidates failed in one subject and 42% failed in another subject while 15% failed in both subjects. If 2500 candidates appeared at the examination, how many passed in either subject but not in both ?

a. 325
b. 1175
c. 2125
d. None of these