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Q:

If 2cos2A - 1 = x, then the value of x is

A) cosec4A - sin4A B) cos4A - sin4A
C) cos4A - tan4A D) cosec4A - tan4A
 
Answer & Explanation Answer: B) cos4A - sin4A

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 12 B) 24
C) 80 D) 48
 
Answer & Explanation Answer: A) 12

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

What is organic matter in soil is also called

A) residue B) humus
C) occlusion D) compact
 
Answer & Explanation Answer: B) humus

Explanation:

In soil, organic matter consists of plant and animal material that is in the process of decomposing. When it has fully decomposed it is called humus. Soil organic matter serves as a reservoir of nutrients for crops, provides soil aggregation, increases nutrient exchange, retains moisture, reduces compaction,... 

This humus is important for soil structure because it holds individual mineral particles together in clusters.

 

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

The United Nations has designated which year as World Population Year?

A) 1977 B) 1974
C) 1990 D) 1985
 
Answer & Explanation Answer: B) 1974

Explanation:

The United Nations has designated 1974 as World Population Year, and has called upon all governments and peoples to participate in its observance.

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Filed Under: Important Days and Years
Exam Prep: Bank Exams

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Q:

Who led the English Army in the Battle of Buxar?

A) Lord Clive B) Vensittart
C) Hector Munro D) Eyre Coot
 
Answer & Explanation Answer: C) Hector Munro

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Filed Under: Indian History
Exam Prep: Bank Exams

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Q:

Name the first Indian to get Bharat Ratna posthumously.

A) Atal Bihari Vajpayee B) Lal Bahadur Shastri
C) C K Naidu D) Mihir Sen
 
Answer & Explanation Answer: B) Lal Bahadur Shastri

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Filed Under: Honours and Awards
Exam Prep: Bank Exams

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Q:

2sin[(C+D)/2].sin[(D­-C)/2] is equal to

A) cosC + cosD B) cosC ­- cosD
C) sinC ­- sinD D) sinC + sinD
 
Answer & Explanation Answer: B) cosC ­- cosD

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the x – intercept of the linear equation 18x + 25y – 900 = 0?

A) 18 B) 25
C) 50 D) 450
 
Answer & Explanation Answer: C) 50

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Filed Under: Simplification
Exam Prep: Bank Exams

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