CAT Questions

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Madras Atomic Power Station (MAPS) located at Kalpakkam about 80 kilometers (50 mi) south of Chennai, India, is a comprehensive nuclear power production, fuel reprocessing, and waste treatment facility that includes plutonium fuel fabrication for fast breeder reactors (FBRs) is the only atomic power station in India that was built completely indigenously.

Let the percentage of benzene = X
(30 - X)/(X- 25) = 6/4 = 3/2
=> 5X = 135  
X = 27

So, required percentage of benzene = 27 %

Except a one rupee note, all other denomination currencies have the signature of RBI Governor on it. One rupee note will have the sign of finance secretary of India.

I      II     III

65   58   100

65 -------- 7
100 ------ ?  => 10.769%

Let Raju's age at the time of his marriage = X years

Then from given data

=> X + 8 = 6/5 X

X = 40.

Since got married 8 years ago, his present age  = 48

His sister is 10 years younger => 48 - 10 = 38 years.

Let the total distance of the journey of a man = d kms

Now, the average speed of the entire journey = dd120 + d120 + d40 = 24 kmph.

The rate of percent R is given by,

Optical fiber works on the principle of total internal reflection.

The Total Internal Reflection is the phenomenon in which the complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical angle.