#tmkoc Paheli 5 - कोन बच पाएगा ? | riddles and puzzles for IQ test | Hindi Paheli #shorts

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

IN PCR, short primers are added to single stranded DNA molecules in a test tube and the appropriate enzymes are included to make a copy of the DNA which of the following primers is needed for copying the single-stranded DNA sequence 5' TACGGTAGGTC ?

Paheli took a wire of length 10 cm. Boojho took a wire of 5 cm of the same material and thickness. Both of them connected the wires as shown in the circuit given in Figure 14.4. The current flowing in both the circuits is the same. (i) Will the heat produced in both the cases be equal? Explain. (ii) Will the heat produced be the same if the wires taken by them are of equal lengths but of different thickness? Explain.

Boojho , Paheli and their firend Golu were provided with a test tube each containing China rose solution which was pink in colour .Boojho added two drops of solution 'A' in his test tube and got dark pink colour .Paheli added 2 drops of solution 'B' to her test tube and got green colour.Golu added 2 drops of solution 'C' but could not get any change in colour Suggest the possible cause for the variation in their results.

Paheli moves on a straight road from point A to point C. She takes 20 minutes to cover a certain distance AB and 30 minutes to cover the rest of distance BC. She then turns back and takes 30 minutes to cover the distance CB and 20 minutes to cover the rest of the distance to her starting point. She makes 5 rounds on the road the same way. Paheli concludes that her motion is

Lightning can be seen the moment it occurs. Paheli observes lightning in her area. She hears the sound 5 s after she observed lightning. How far is she from the place where lightning occurs? (speed of sound = 330 m/s).

Boojho took some grains of boiled rice in test tube 'A' and Paheli took boiled and chewed rice in test tube 'B'. Both of them poured 1-2 drops of iodine solution into the test tube and observed the colour change. What colour change would they have observed? Give reasons for your answer.

Paheli had heard that rain water is as good as distilled water. So, she collected some rain water in a clean glass tumbler and tested it using a tester. To her surprise, she found that the compass needle showed deflection. What could be the reasons?