GATE Questions

Q:

LCM of 80, 85, 90

A) 11440 B) 11998
C) 12240 D) 12880
 
Answer & Explanation Answer: C) 12240

Explanation:

LCM of (80, 85, 90) can be found by prime factorizing them.

 

80 → 2 × 2 × 2 × 2 × 5

85 → 17 × 5

90 → 2 × 3 × 3 × 5

L.C.M of (80,85,90) = 2 × 2 x 2 × 2 × 3 × 3 × 5 × 17

= 16 x 9 x 85

= 144 x 85

= 12240

 

L.C.M of (80,85,90) = 12240.

Report Error

View Answer Workspace Report Error Discuss

10 485
Q:

Crack the logical puzzle?

crack_the_logical_puzzle1562839260.jpg image

 

A) 6713 B) 9415
C) 9515 D) 842
 
Answer & Explanation Answer: A) 6713

Explanation:

In the given puzzle, the logic followed is

First digits comes from the number of letters in the word

Second digit is its serial number

Third digit is the addition of first and second digits

=> SUNDAY = 6713

Report Error

View Answer Workspace Report Error Discuss

6 294
Q:

Carbon Arc lamps are commonly used in

A) cinema projectors B) photography
C) vehicles D) domestic lighting
 
Answer & Explanation Answer: A) cinema projectors

Explanation:

The carbon arc lamp was the first widely-used type of electric light and the first commercially successful form of electric lamp.

carbon_arc_lamps_are_commonly_used_in1562825984.jpg image

Here are the Carbon Arc Lamp Uses :


-Super bright light, capable of lighting a large length of street or a large factory interior.

-Was the ONLY electric light available to light large areas from 1800 - 1901.

-Was cheaper to light streets with the arc lamp than gas or oil lamps.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 203
Q:

F12 key is known as

A) Company Configuration B) Accounting Features
C) Company Features D) All of the above
 
Answer & Explanation Answer: A) Company Configuration

Explanation:

The F1, F2 to F12 keys that are found on the top row of most computer keyboards are called as Function Keys. Unless you've witnessed the evolution of computers from their early days, you probably don't know why they were invented and for what.
Function keys were used by various computer programs to fulfill various functions.

F12 - It is used by many web browsers to open the developer tools.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 259
Q:

Who invented ECG?

A) Hans Berger B) Einthoven
C) G. Bist D) None of the above
 
Answer & Explanation Answer: B) Einthoven

Explanation:
Report Error

View Answer Workspace Report Error Discuss

Filed Under: Inventions
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

4 119
Q:

The Kargil War was between India and Pakistan took place in

A) 2001 B) 1983
C) 1999 D) 1989
 
Answer & Explanation Answer: C) 1999

Explanation:

The KargilWar was between India and Pakistan took place between May and July in 1999.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Indian History
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

11 236
Q:

1 Mole of CO2 mass is

A) 32 gms B) 44 gms
C) 16 gms D) 12 gms
 
Answer & Explanation Answer: B) 44 gms

Explanation:

We know that,

Mass of Carbon = 12 gms

Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms

=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.

Report Error

View Answer Workspace Report Error Discuss

Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

3 322
Q:

Crack the relationship puzzle?

blood_relation_puzzle1562232420.jpg image

A) Sister B) Mother
C) Grand Mother D) Sister-in-law
 
Answer & Explanation Answer: C) Grand Mother

Explanation:

From drawing the relationships given above,

Sana is Grand mother of Sony.

Report Error

View Answer Workspace Report Error Discuss

21 256