GATE Questions

Q:

There are 41 students in a class, number of girls is one more than number of guys. we need to form a team of four students. all four in the team cannot be from same gender. number of girls and guys in the team should NOT be equal. How many ways can such a team be made ?

A) 49450 B) 50540
C) 46587 D) 52487
 
Answer & Explanation Answer: B) 50540

Explanation:

Given G + B= 41 and B = G-1
Hence, G = 21 and B = 20
Now we have 2 options,
1G and 3M
(or)
3G and 1M
(2G and 2M or 0G and 4M or 4G and oM are not allowed),

 

Total : C121×C320+C321×C120= 50540 ways.

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Filed Under: Permutations and Combinations
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2 4547
Q:

Antonym for Durable

A) Pressure B) Flimsy
C) Hard-wearing D) Withstand
 
Answer & Explanation Answer: B) Flimsy

Explanation:

Durable means able to withstand wear, pressure.

 

Antonyms for Durable are Delicate, Flimsy, Short-lived.

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Filed Under: Alphabet Test
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7 4543
Q:

125% as a Fraction?

A) 1/4 B) 3/4
C) 5/4 D) 7/4
 
Answer & Explanation Answer: C) 5/4

Explanation:

Literally any percentage means divide by 100.

So 125% = 125100. That can be reduced to 5/4.

To convert to a decimal, you can do long division, dividing 5 into 4.

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Filed Under: Percentage
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5 4537
Q:

Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence.

In which part of the sentence there is an error ?

A) He is B) Not agreeing
C) To me. D) No error
 
Answer & Explanation Answer: C) To me.

Explanation:

Replace 'to' by 'with'.

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Filed Under: Analogy
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3 4534
Q:

Antonym of Sober?

A) not affected by alcohol B) Sensible
C) Serious D) emotional
 
Answer & Explanation Answer: D) emotional

Explanation:

Sober means not afected by alcohol, clear headed, very serious, sensible,...

 

Antonyms of Sober are :: light hearted, frivolous, sensational, emotional,...

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Filed Under: English
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8 4530
Q:

Lux is the SI unit of

A) luminous flux B) luminous efficiency
C) intensity of illumination D) luminous intensity
 
Answer & Explanation Answer: C) intensity of illumination

Explanation:

The lux (lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square meter.

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Filed Under: Physics
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6 4519
Q:

When the European union formed nations began to?

A) eliminate their home governments. B) abolish many geographic boundaries.
C) create one unified education system. D) cooperate on law enforcement.
 
Answer & Explanation Answer: D) cooperate on law enforcement.

Explanation:

When the European union formed nations began to cooperate on law enforcement. The European Union is set up with the aim of ending the frequent and bloody wars between neighbours, which culminated in the Second World War.

 

As of 1950, the European Coal and Steel Community begins to unite European countries economically and politically in order to secure lasting peace. The six founding countries are Belgium, France, Germany, Italy, Luxembourg and the Netherlands. The 1950s are dominated by a cold war between east and west.

 

The historical roots of the European Union lie in the Second World War. Europeans are determined to prevent such killing and destruction from ever happening again.

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Filed Under: World History
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0 4510
Q:

Which of the following memory is volatile?

A) RAM B) Floppy disc
C) ROM D) Magnetic tape
 
Answer & Explanation Answer: A) RAM

Explanation:

Volatile memory is computer memory that requires power to maintain the stored information. It is a temporary memeory which cannot contain information permanently.

Example :: RAM or Random Access Memory

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