5 Hard Detective Riddles And Brain Teasers With Answers

Paheliyan and Detective Riddles To Test Your Brain| Hindi Paheliyan | Mind Your Logic

7 Riddles That Will Test Your Brain Power

The hard protective outer covering for the brain is called

What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below: If i + 69 = 70 , then i = ? If 8u = 6u + 8 , then u = ? If 4a = -5a + 45 , then a = ? If 4q + 5 = 17 , then q=? If -5t - 60 = - 70 then t = ? If 1/4 s + 98 = 100 , then s = ? If 5/3 p+9 = 24 then p = _______ ? If 3c = c+12 , then c = ________ ? If 3(k+1) =24 , then k = ________ ? For riddle answer : substitute the number for the letter it equals

Read the sentence to find out whether there is an error in it or not. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (5). Ignore errors of punctuation, if any. Try hard as he might, (1) / Alvira knew her brother (2) / could never hoped to (3) / regain his health. (4) /

Two sources of sound S_1 and S_2 vibrate at same frequency and are in phase. The intensity of sound detected at a point P as shown in the figure is I_0 . (a) If theta equals 45^@ , what will be the intensity of sound detected at this point if one of the sources is switched off ? (b) What will be the answer of the previous part if theta= 60^@ ?

I. Read the following passage and answer questions 1 - 5 that follow: Nitrogen, sulphur and halogens in an organic compound are detected by Lassaigne's test in which the organic compound is fused with sodium metal. During fusion N is converted to NaCN, S to Na_2 S and halogens to sodium halides. Give a test for detection of sulphur with Lassaigne's extract.

In answering a question on a multiple choice test, a student either knows the answer or guesses. Let 3/5 be the probability that he knows the answer and 2/5 be the probability that he guesses. Assuming that a student who guesses at the answer will be correct with probability 1/3, what is the probability that the student knows the answer, given that he answered it correctly?

In answering a question on a multiple choice test, a student either knows the answer or guesses. Let 3/5 be the probability that he knows the answer and 2/5 be the probability that he guesses. Assuming that a student who guesses at the answer will be correct with probability 1/3 , what is the probability that the student knows the answer given that he answered it correctly