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Q:

The hypotenuse of a right-angled triangle 10 cm and its area is 24 cm^2. If the shorts side is halved and the longer side is double, the new hypotenuse becomes

 

A) √245 cm B) √255 cm
C) √265 cm D) √275 cm
 
Answer & Explanation Answer: C) √265 cm

Explanation:
Hypotenuse = 10cm
Let the other 2 perpendicular sides be a and b
Area ½ a*b = 24
So a*b = 48 cm^2
Also using Pythagoras
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Filed Under: Area
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Q:

5 years ago the average age of a family which includes father, mother and a son was 35 years. 3 years ago the average age of father and mother was
46 years. What is the present age (in years) of the son?

A) 20 B) 24
C) 26 D) 22
 
Answer & Explanation Answer: D) 22

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Sudden decrease of birth rate would cause___________.

A) increase in per capita income B) increase in investment
C) increase in savings D) increase in loan requests
 
Answer & Explanation Answer: A) increase in per capita income

Explanation:
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Filed Under: Indian Economy
Exam Prep: Bank Exams

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Q:

The mass of a mole of NaCl is the

A) 58.44 gm/mol B) 57.25 gm/mol
C) 56.31 gm/mol D) 59.14 gm/mol
 
Answer & Explanation Answer: A) 58.44 gm/mol

Explanation:

To get the mass of a mole of NaCl, we need to add the molar atomic weights of the individual elements i.e, Na and Cl

Atomic weights of Na = 22.99 gm/mol  Cl = 35.45 gm/mol

 

Now, mass of a mole of NaCl = 22.99 + 35.45 = 58.44 gm/mol.

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

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Q:

18 h on a g c?

Answer

The given letter equation 18 h on a g c represents that 18 holes on a golf course.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 2680
Q:

An example of a latent viral infection is

A) Influenza B) Mumps
C) Cold sores D) Smallpox
 
Answer & Explanation Answer: C) Cold sores

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk

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Q:

The difference between two numbers is 1146. When we divide the larger number by smaller we get 4 as quotient and 6 as remainder. Find the larger number

A) 1526 B) 1431
C) 1485 D) 1234
 
Answer & Explanation Answer: A) 1526

Explanation:
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Filed Under: Simplification
Exam Prep: GATE , Bank Exams
Job Role: Bank PO , Bank Clerk

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Q:

To travel 732 km, an Express train takes 6 hours more than Rajdhani. If the speed of the Express train is doubled, it takes 3 hours less than Rajdhani. The speed of Rajdhani is

A) 81.3 km/hr B) 61 km/hr
C) 40.7 km/hr D) 101.7 km/hr
 
Answer & Explanation Answer: B) 61 km/hr

Explanation:
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Filed Under: Problems on Trains
Exam Prep: Bank Exams

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