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Q:

The mean of 21 observations (all different) is 40. If each observation greater than the median is increased by 21, then the mean of observations will become:

A) 50 B) 30
C) 50.5 D) 45
 
Answer & Explanation Answer: A) 50

Explanation:
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Filed Under: Average
Exam Prep: AIEEE , Bank Exams , CAT

1 2096
Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to “No improvement”.

The police had to break the door to get in

A)  to break up  B)  to break in 
C)  to break down  D)  No improvement 
 
Answer & Explanation Answer: C)  to break down 

Explanation:
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Filed Under: English
Exam Prep: TOEFL , GRE , CAT

0 2096
Q:

Which of the following compounds from nitrites with nitrous acid?

A) Primary amines B) Secondary amines
C) Tertiary amines D) All of these
 
Answer & Explanation Answer: D) All of these

Explanation:

The acid and the nitrite form nitrous acid which then reacts with the amine.

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 2096
Q:

If the product of two numbers is 3026 and their LCM is 89, then their HCF is :

A) 33 B) 34
C) 35 D) 29
 
Answer & Explanation Answer: B) 34

Explanation:
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Filed Under: HCF and LCM
Exam Prep: Bank Exams

6 2096
Q:

Project-75 India, sometimes seen in news, is associated with which Indian armed force?

A) Indian Army B) Indian Air Force
C) Indian Coast Guard D) Indian Navy
 
Answer & Explanation Answer: D) Indian Navy

Explanation:
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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 2095
Q:

Length of two trains are 150 m and 200 m respectively and the ratio (shorter: longer) of their speed is 2 : 5. If they cross each other in opposite direction in 15 second then in what time faster train will overtake the slower train.

A) 20 seconds B) 25 seconds
C) 32 seconds D) 35 seconds
 
Answer & Explanation Answer: D) 35 seconds

Explanation:

Let speed of slower train = 2x
⇒ speed of faster train = 5x
ATQ, (150 + 200)/(2x + 5x) = 15
x = 10/3
Time required=350/[50/3–20/3]= 35 seconds

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

0 2095
Q:

Which of the following Gods are also known as Lokapalas or the Guardians of the Universe?

A) Yama, Indra, Varuna and Kubera B) Indra, Varuna, Skanda and Kubera
C) Indra,Varuna, Yama and Brahma D) Yama, Shiva, Kubera and Indra
 
Answer & Explanation Answer: A) Yama, Indra, Varuna and Kubera

Explanation:

In Hinduism, the guardians of the cardinal directions are called the Lokapālas, or Dikpalaka. Aṣṭa-Dikpāla ("Guardians of Eight Directions")

1.Kubera (North)

2.Yama (South)

3.Indra (East)

4.Varuṇa (West)

5.Īśāna (Northeast)

6.Agni (Southeast)

7.Vayu (Northwest)

8.Nirṛti (Southwest)

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Filed Under: General Awareness
Exam Prep: Bank Exams

0 2095
Q:

The chemical makeup of a rock is

A) Nutrients B) Minerals
C) Metals D) Water
 
Answer & Explanation Answer: B) Minerals

Explanation:

The chemical composition of a rock is mainly minerals.

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

1 2095