Bank Clerk Questions

Possible outcomes = (RY, YP, PR)

2C1 4C1 + 4C1 6C1 + 6C1 2C1

Required probability = (2C1 4C1 + 4C1 6C1 + 6C1 2C1)/(12C2)

= 8 + 24 + 12/66

= 44/66

= 2/3.

Second is obtained from the first.

Morarji Desai, the former finance , prime minister had presented the Union budget for 10 times.

Sound intensity is measured in decibels(db). Sound pollution above 120 db becomes more hazardous and have adverse affects on human life. 

Except pineapple remaining all three are types of apples.

Pineapple is what kind of apple isn't an apple.

Now, take percentage of milk and applying mixture rule

25          100

       50

50            25  = 2 : 1

Hence required answer =  1/3 or 33.33%

Mixtures are combination of two or more substances physically which can be separated in to the original.

Matter can be breakdown into two categories. 

1) Pure substances 

2) Mixtures

Here in the given options, options A, B, C are pure substances as they are indicated as S & L in brackets. Option D) is an aqueous solution, that can be dissolved in water.