रोज बोले जाने वाले वाक्य । english speaking practice for begineers

Statements : All Americans are English speaking. No Eskimos are English speaking. Conclusions : I. No Eskimos are Americans. II. No English-speakers are Eskimos.

In a committee, 50 people speak Hindi, 20 speak English and 10 speak both Hindi and English . How many speak at least one of these two languages ?

In a class of 50 students, 23 speak English, 15 speak Hindi and 18 speak Punjabi. 3 speak only English and Hindi, 6 speak only Hindi and Punjabi and 6 speak only English and Punjabi. If 9 speak only English, then how many speak all the three? (a) 1 (b) 2 (c) 3 (d) 5