Consider that,

A – always says Truth

B – always lies

C – sometimes lies

D – deaf and dumb

What is maximum questions you need to ask each to determine who is ABCD?

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Consider that,

A – always says Truth

B – always lies

C – sometimes lies

D – deaf and dumb

What is maximum questions you need to ask each to determine who is ABCD?

[Read more…]

One-tenth of the cars in a car park are yellow. Another car arrives and now one-ninth of the cars are yellow.

Check your answer:-

lets say there are total x cars, thus

x/10 number of cars are yellow initially.

x/10 number of cars are yellow initially.

as yellow car’s percent increases from 1/10th to 1/9th after new car arrives, so new car must be a yellow car.

So we can form this equation

1 + x/10 = (x+1)/9

Now we just need to solve this equation

on multiplying both sides by 9*10 =>

9*10 + 9x = 10x + 10

90 – 10 = 10x – 9x

x = 80

So there were 8 yellow cars initially among a total of 80 cars(i.e. 1/10th)

and a new yellow cars comes making 9 yellow cars in total of 81 cars.(i.e. 1/9th)

So **answer to the question is 81**. there are a total of 81 cars now.

if cut last alphabet then it make a movie name.

and if cut first and last alphabet it makes a cream name.

A shopkeeper gives a full bottle of soft drink in return for five empty bottles. A guy has 77 empty bottles and he can use them to get full soft drink bottles.

**How many filled bottles will he be able to collect?**

Check your answer:-

77 empty bottles= 15 filled bottle+2 empty bottle

15+2 empty bottles=3 filled +2 empty bottles

3+2 empty bottles=1 filled bottle

i.e. total filled bottle are 15+3+1=19

15+2 empty bottles=3 filled +2 empty bottles

3+2 empty bottles=1 filled bottle

i.e. total filled bottle are 15+3+1=19

I am a type of mutation that doesn’t produce any negative effect on the body.

In fact the more severe this mutation is, the better it is for the human body.

Let the genius here answer.

If 10-2= 33

37-23=83

82-4= 43

55-7=32

then 76-45=?

There is a bar with 25 seats in a line. The people there are anti-social so when they walk in the bar, they always try to find a seat farthest away from others. If one person walks in and find there is no seat are adjacent to nobody, that person will walk away. The bar owner wants as many people as possible. The owner can tell the first customer where to sit. all the other customers will pick the farthest possible seat from others.

**So where should the first customer sit?**

[Read more…]

Can you spot the four hidden words in the picture given below?

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