Boolean algebra - practice problems - last page
Instructions: For each problem, solve carefully and show your complete working.Number of problems found: 67
- Z8-I-2 MO 2018
A new pupil came into the class, about whom it was known that apart from English he still knew excellently one foreign language. Three classmates were arguing about which language it is. The first judged: "It is not French." The second guessed: "It is Spa - Dining questionnaire
In the class of 32 pupils, the class teacher delivered a satisfaction questionnaire to the school canteen. Eleven people have questioned whether they are satisfied with the dining room. The completed questionnaire also included the vote of the class teach - PIN code
The PIN on Michael's credit card is a four-digit number. Michael told his friend: • It is a prime number - a number greater than 1, which is only divisible by the number one and by itself. • The first digit is larger than the second. • The second digit is - Student meals
Out of 129 1st-year students, 116 students go to lunch or dinner regularly, and 62 students go to one of these meals at most. At the same time, 47 students go to lunch more than to dinner. How many students go to lunch and dinner, how many go to dinner, a - Probability - tickets
What is the probability when you have 25 tickets in 5000 that you do not win the first (one) prize? - Holidays
Of the 35 students in the class, seven were on holiday in Germany and just as many in Italy. Five students visited Austria. There were 21 students in none of these countries. One student visited all three. There were two students in Italy and Austria and - Bulbs
A box contains 16 bulbs of 75 W, 14 bulbs of 40 W, and 10 bulbs of 50 W. Calculate the probability that a randomly selected bulb is: a) 40 W b) 75 W or 40 W
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