AIEEE Questions

Q:

Let K and L be events on the same sample space, with P (K) = 0.8 and P (B) = 0.6. Are these two events are disjoint ?

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

These two events cannot be disjoint because P(K) + P(L) > 1.


P(AꓴB) = P(A) + P(B) - P(AꓵB).


An event is disjoint if P(A ꓵ B) = 0. If K and L are disjoint P(K ꓴ L) = 0.8 + 0.6 = 1.4


And Since probability cannot be greater than 1, these two mentioned events cannot be disjoint.

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Subject: Probability
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3 4807
Q:

First and Last Indian viceroys of India?

A) Lord Mountbatten B) C Raj Gopalachari
C) Bal Gangadhar Tilak D) Lala Lajpath Rai
 
Answer & Explanation Answer: B) C Raj Gopalachari

Explanation:

The First and Last Indian viceroys of India is C. Raj Gopalachari. 

First_and_Last_Indian_viceroys_of_India1548915645.jpg image

Chakravarti Rajagopalachari, informally called Rajaji or C.R., was an Indian politician, independence activist, lawyer, writer, historian and statesman. Rajagopalachari was the last Governor-General of India, as India soon became a Republic in 1950.

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Filed Under: Indian History
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5 4807
Q:

A container contains 120 lit of Diesel. From this container, 12 lit of Diesel was taken out and replaced by kerosene. This process was further repeated for two times. How much diesel is now there in the container ?

A) 88.01 lit B) 87.48 lit
C) 87.51 lit D) 87.62 lit
 
Answer & Explanation Answer: B) 87.48 lit

Explanation:

For these type of problems,

Quantity of Diesel remained = q1-pqn   

 

Here p = 12 , q = 120 

 

=> 1201-121203 = 120 x 0.9 x 0.9 x 0.9 = 87.48 lit.

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Filed Under: Alligation or Mixture
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14 4806
Q:

Reactions that require CO2 take place in

A) the Calvin cycle alone B) the light reactions alone
C) Both A & B D) the chloroplast, but is not part of photosynthesis
 
Answer & Explanation Answer: A) the Calvin cycle alone

Explanation:
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Filed Under: Chemistry
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4 4804
Q:

One word substitute for 'a post without remuneration?'

A) Voluntary B) Honorary
C) Involuntary D) Sinecure
 
Answer & Explanation Answer: B) Honorary

Explanation:

The One-word substitute for 'a post without remuneration' is Honorary.

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Filed Under: Alphabet Test
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7 4803
Q:

Ecology deals with the study of

A) Environment B) Birds
C) Organisms and their Environment D) Living beings
 
Answer & Explanation Answer: C) Organisms and their Environment

Explanation:

ecology_deals_with_the_study_of1553078201.png image

Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)

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Filed Under: General Science
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16 4797
Q:

The compound interest on Rs. 8000 for 3 year at 10% p.a. is

A) 2648 B) 2145
C) 2587 D) 2784
 
Answer & Explanation Answer: A) 2648

Explanation:

8000 × 33.1% = 2648

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Filed Under: Compound Interest
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18 4796
Q:

Manisha went to shop with certain amount, with which she can buy 50 Chacobar or 40 Fivestar. She uses 10% amount for petrol and out of the remaining balance, she purchases 20 Fivestar and some Chacobar. Find the number of Chacobar she can buy?

A) 20 B) 24
C) 26 D) 28
 
Answer & Explanation Answer: A) 20

Explanation:

Let the total amount be 200 {L.C.M of 40 and 50}

Chacobar C.P. = 200/50 = 4

Fivestar C.P = 200/40 = 5

Remaining Money after petrol = [200 - 200×10%] = 180

Remaining money after buying fivestars = [180 - 20×5] = 80

So number of Chacobar she can buy = 80/4 = 20

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