YOUR MIND ON TEST

Shaded region 1 Pic credit : Ed southhall This question went  viral on twitter, only a few are able to solve it . Can you do this? If not Sol. Is Below

Iq test 1 Mathematics is all about logic  If you think you're good at logic. Try this iq level problem. Choose one option from below 15 52 25 17 I don't know Sol  is given below

Which arrow line (not including the arrowheads or tails) is longest? Sol. Below

Coffee problem Which cup get fill first?  twitter  : @_herbeautyxo Well almost everyone loves coffee in their busy schedule so that we don't doze of while working as it  make us feel energised. But before you fill a cup of coffee and take a sip.... Try to solve the above problem  which stumped everyone on twitter . Nearly 4000 users tried to solve it  and; maximum got wrong answers. Here are some of the answers by them First 4 ,9 ,7 & then 5. Are you thinking the same or you have another answer . Can you tell which cup will get filled first? Sol. Below

                          For genius Well while searching the internet for some interesting maths problems . I'm hoping that you can solve it. But while solving it you always get 0 ,then you are among the 99 % of people. That is why this question is for geniuses. Can you solve it? See sol. Below

Bayes' theorem You are doctor examining a middle-aged man who complains of lower back pain. You know that 25% of men in the age group of your patient suffer from lower back pain. There are various causes of lower back pain; one of them is chronic inflammation of the kidneys. This is not a very common disease: it affects only 4% of men in the age group that you are considering. Among those who suffer from chronic inflammation of the kidneys, 85% complain of lower back pain. What is the probability that your patient has chronic inflammation of the kidneys? Sol below

Cheryl's Age Albert and Bernard now want to know how old Cheryl is. Cheryl: I have two younger brothers. The product of all our ages (i.e. my age and the ages of my two brothers) is 144, assuming that we use whole numbers for our ages.  Albert: We still don't know your age. What other hints can you give us?  Cheryl: The sum of all our ages is the bus number of this bus that we are on.  Bernard: Of course we know the bus number, but we still don't know your age.  Cheryl: Oh, I forgot to tell you that my brothers have the same age.  Albert and Bernard: Oh, now we know your age. So what is Cheryl's age? This question was uploaded by Nanyang Technological University on the Facebook  and the sequel of the  most viral problem of Singapore  known as  Cheryl's Birthday . This child Cheryl is really smart &  always plays games with Albert & Bernard. So if you're not able to guess...