AIEEE Questions

Q:

Atomic mass of first 30 elements?

Answer

Here I give you the first 30 Atomic elements names and their Atomic masses.


 


Atomic number      Element        Atomic mass
                             


        1                 Hydrogen           1


        2                  Helium              4


        3                 Lithium              6.94


        4                Beryllium            9.01


        5                  Boron               10.81


        6                Carbon               12.01


        7                Nitrogen             14.01


        8                Oxygen              15.99


        9                Fluorine              19.00


       10                Neon                 20.18


       11               Sodium               22.99


       12             Magnesium           25.31


       13             Aluminium            26.98


       14               Silicon                28.09


       15             Phosphorus           30.97


       16               Sulphur               32.07


       17               Chlorine              35.45


       18                Argon                 39.95


       19             Potassium              39.10


       20              Calcium                40.08


       21             Scandium              44.96


       22             Titanium               47.87


       23            Vanadium              50.94


       24             Chromium            24. 52


       25            Manganese            54.94


       26                Iron                  55.85


       27              Cobalt                 58.93


       28               Nickel                 58.69


       29              Copper                 63.55


       30                Zinc                   65.41

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams , CAT , GATE
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2 3924
Q:

The United Nations Public Service Day is observed on

A) June 24 B) June 23
C) June 26 D) June 25
 
Answer & Explanation Answer: B) June 23

Explanation:

The United Nations Public Service Day is observed every year on June 23 to recognize the work of public servants and to encourage young people to pursue careers in the public sector. The day is also observed to celebrate value and virtue of public service to the community and to raise awareness regarding the contribution of public service in the development of society and honouring the work of public servants.

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Filed Under: Important Days and Years
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3 3924
Q:

Metal extracted from seawater

A) Potassium B) Calcium
C) Magnesium D) Sodium
 
Answer & Explanation Answer: C) Magnesium

Explanation:

Magnesium is dissolved in seawater at a concentration of about 1,000 parts per million and is the only metal directly extracted from seawater.

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Filed Under: General Science
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20 3923
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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8 3922
Q:

A Child has 1200 five rupee coins. He wants to place them in such a way that the number of rows and the number of columns remains the same. What is the minimum number of coins that he needs more for this purpose?

A) 125 B) 96
C) 35 D) 25
 
Answer & Explanation Answer: D) 25

Explanation:

We know that, to be in the form that the number of rows and the number of columns to be equal the number should be a perfect square (a2).

Given number is 1200

The perfect number which is above and near to 1200 is 1225 which is 35  35.

Therefore, The minimum number of coins he need is 25. 

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Filed Under: Arithmetical Reasoning
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12 3920
Q:

A is sister of B who is mother of C who is mother of D. E is the grand mother of D. Then how C is related to E ?

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

Explanation:

        GM    GM
A ---- B ---- E
         |
         |
         C
         |
         |
         D (Grand son or daughter)

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Filed Under: Blood Relations
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9 3919
Q:

_______ creates history, becoming leading run-getter in Women’s ODIs ?

A) M.M. Lanning B) S.R. Taylor
C) Mithali Raj D) Charlotte Edwards
 
Answer & Explanation Answer: C) Mithali Raj

Explanation:

1. Mithali Raj has been India’s premier player ever since she made her debut in 1999.

2. In the crucial game against Australia, Mithali became the woman cricketer who has scored most runs in ODIs. Mithali Raj became the first women’s player to reach 6000 ODI runs. England’s Charlotte Edwards was the previous leading run-getter in ODIs with 5992 runs.

3. She has 48 not-outs to her name, which is the most in women’s cricket.

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10 3918
Q:

RADAR is used for

A) detecting and locating the position of objects such as Aeroplanes B) locating submerged submarines
C) locating geostationary satellites D) receiving a signals in a radio receiver
 
Answer & Explanation Answer: A) detecting and locating the position of objects such as Aeroplanes

Explanation:

RADAR - RAdio Detection And Ranging.

A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the objects. 

 

Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain.

 

Radio waves from the transmitter reflect off the object and return to the receiver, giving information about the object's location and speed.

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5 3915