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Q:

Meghana alone would take 32 hours more to complete a job than both Meghana and Ganesh together. If Ganesh worked alone, he took 12 1/2 hours more to complete it than both Meghana and Ganesh worked together. What time would they take if both Meghana and Ganesh worked together?

A) 20 hrs	B) 18 hrs
C) 22 hrs	D) 20.5 hrs

Answer & Explanation Answer: A) 20 hrs

Explanation:

Time taken by both Meghana and Ganesh to work together is given by =

$\sqrt{t_{1} x t_{2}}$

Where

$t_{1} = 32 h r s t_{2} = 12 \frac{1}{2} h r s = \frac{25}{2} h r s$

Therefore, time took by both to work together =

$\sqrt{32 x \frac{25}{2}} = \sqrt{16 x 25} = 4 x 5 = 20 h r s$

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Filed Under: Time and Work
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Q:

Antipsychotic drugs have proved helpful in the treatment of

A) Epilepsy	B) Schizophrenia
C) Psoriasis	D) Eczema

Answer & Explanation Answer: B) Schizophrenia

Explanation:

Antipsychotic drugs have proved helpful in the treatment of schizophrenia and other psychotic disorders, inhibits dopamine, reduces delusions, hallucinations, thought disorganization.

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Filed Under: Biology
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Q:

Hot springs are heated geothermally by underlying

A) water	B) magma
C) mitula	D) None of the above

Answer & Explanation Answer: B) magma

Explanation:

Magma is molten rocks beneath the earth's crust. Hot springs are heated geothermally by underlying magma.

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Filed Under: Physics
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Q:

How many joins require for 5 tables to join straight?

A) 4	B) 5
C) 6	D) 10

Answer & Explanation Answer: A) 4

Explanation:

To join 5 tables we require 4 joins.

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Filed Under: Arithmetical Reasoning
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Q:

Alcohol has many sensations and effects like

A) loss of concentration	B) dizziness
C) nausea	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

Alcohol has many sensations and effects like dizziness, nausea and loss of concentration.

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Filed Under: General Science
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Q:

Photorespiration lowers the efficiency of photosynthesis by

A) consuming carbon dioxide	B) removing ribulose bisphosphate molecules
C) releasing RuBP carboxylase molecules	D) None of the above

Answer & Explanation Answer: B) removing ribulose bisphosphate molecules

Explanation:

photorespiration lowers the efficiency of photosynthesis by removing ribulose bisphosphate molecules.

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Filed Under: General Science
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Q:

Who owns Tradestation?

A) SBI Group	B) Monex Group, Inc.
C) CME Group	D) None of the above

Answer & Explanation Answer: B) Monex Group, Inc.

Explanation:

Tradestation is owned by its parent organization Monex Group, Inc.

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Filed Under: General Awareness
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Q:

Who has become first Indian player in ODI history to score three consecutive 100s as captain?

A) Virat Kohli	B) Rohit Sharma
C) MS Dhoni	D) Shikar Dhawan

Answer & Explanation Answer: A) Virat Kohli

Explanation:

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Filed Under: Sports
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