A) 39, 29 and 11 respectively
B) 37, 27 and 13 respectively
C) 28, 18 and 22 respectively
D) 21, 11 and 29 respectively
Correct Answer: A
Solution :
Let circles E and H represent students who can speak English and Hindi respectively. Number of students who can speak both English and Hindi = Y = 10. Number of students who can speak English\[=X+Y=21\] Total number of students \[X+Y+Z=50\] Number of students who can speak only English \[=X=(X+Y)-Y=21-10=11\] Number of students who can speak only Hindi \[=Z=(X+Y+Z)-(X-Y)=50-21=29\] Number of students who can speak Hindi \[=(Y+Z)=10+29=39\]You need to login to perform this action.
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