#Learn mathematics!1+1=3,2+5=7puzzl,Can you solve this?;#puzzles#reasoning

Can You Solve This? 6div2(1+2)=

Directions : In the following questions, four alternatives are given for the Idiom/Phrase printed in bold in the sentence. Choose the alternative which best expresses the meaning of the Idiom/ Phrase. You have been trying to solve this puzzle for a long time, be careful so that you avoid barking up the wrong tree

A problem on mathematics is given to three students whose chances of solving it are 1/2, 1/3 and 1/4, respectively, find the probability that the problem will be solved.

A problem in mathematics is given to 3 students whose chances of solving it are (1)/(2);(1)/(3);(1)/(4) .What is the probability that the problem is solved?

A problem in mathematics is given to 4 students whose chances of solving individually are 1/2, 1/3, 1/4 and 1/5 . The probability that the problem will be solved at least by one student is

A problem in mathematics is given to three students and their respective probabilities of solving the problem are (1)/(2) , (1)/(3) and (1)/(4) . The probability that the problem is solved, is

3 students {A, B, C} tackle a puzzle together and offers a solution upon which majority of the 3agrees. Probability of A solving the puzzle correctly is p. Probability of B solving the puzzle correctlyis also p. Cisa dumb student who randomly supports the solution of either A or B. There is one morestudent D, whose probability of solving the puzzle correctly is once again, p. Out of the 3 memberteam {A, B, C} and one member team {D}, which one is more likely to solve the puzzle correctly.