CAT Questions

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Let the age of A = A, B = B and C = C

From given

A = 3B

4 years ago,

C-4 = 2(A-4);

After 4 years

A + 4 = 31;

A = 27;
sub in above B, we get B = 9
C = 2(27 - 4) + 4 = 46 + 4 = 50

Hence B = 9yrs and C = 50yrs.

Let pipe A takes p min to fill

Then,

pipe B takes 3p min to fill

=> 3p - p = 32

=> p = 16 min => 3p = 48 min

Required, both pipes to fill = (48 x 16)/(48 + 16) min = 12 min.

Square units 13 by 9 of an office means office of length 13 units and breadth 9 units.

Now its area is 13x 9 = 117 square units or units square.

An English word with five letters in which if you remove the last four letters, still pronounced the same is QUEUE.

Memory is the part of the computer that temporarily holds data and instructions before and after they are processed by the ALU.

Memory is also known as primary storage, primary memory, main storage, internal storage, and main memory.

Manufacturers often use the term RAM, which stands for random-access memory.​

A foreign exchange rate is the price of the domestic currency stated in terms of another currency.

The Liberty Tree was a famous elm tree that stood in Boston before American Revolution.

The 'Tree of Liberty' at Srirangapatnam was founded in 1794 by French Republican officers with the support of Tipu Sultan.

A person one who writes books, stories or articles is called as an author.