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Q:

The two roots of a quadratic equation are given as x = 1/7 and x = -1/8 . The equation can be written as:

A) (7x − 1)(8x − 1) = 0 B) (7x − 1)(8x + 1) = 0
C) (7x + 1)(8x − 1) = 0 D) (7x + 1)(8x + 1) = 0
 
Answer & Explanation Answer: B) (7x − 1)(8x + 1) = 0

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

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Q:

3x3x3+3+3/3 = ?

A) 11 B) 3.33
C) 31 D) None of the above
 
Answer & Explanation Answer: C) 31

Explanation:

We all know about BODMAS rule, by using that

3x3x3+3+3/3

= 3x3x3+3+1

= 27+3+1

= 27 + 4

= 31

 

Hence,  3x3x3+3+3/3 = 31.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT
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3 2695
Q:

After how many years Rajya Sabha is dissolved?

A) It is never dissolved B) 2 years
C) 5 years D) 6 years
 
Answer & Explanation Answer: A) It is never dissolved

Explanation:

Rajya Sabha is a permanent body and is not subject to dissolution. However, one third of the members retire every second year, and are replaced by newly elected members.

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

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Q:

What will come in the place of question mark (?) in the below series?

A) A B) C
C) D D) B
 
Answer & Explanation Answer: B) C

Explanation:
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Filed Under: Analytical Reasoning
Exam Prep: Bank Exams

4 2695
Q:

The ratio of present ages of P and Q is 7:9. Before 10 years the ratio of their ages was 5:7. What is Q's present age (in years)?

A) 35 B) 45
C) 25 D) 55
 
Answer & Explanation Answer: B) 45

Explanation:
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Filed Under: Problems on Ages
Exam Prep: Bank Exams

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Q:

Which group of animals are exclusively free living marine animals?

A) Arthropoda B) Echinodermata
C) Mollusca D) Nematoda
 
Answer & Explanation Answer: B) Echinodermata

Explanation:
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Filed Under: Animals and Birds
Exam Prep: Bank Exams

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Q:

The two purines in DNA are

A) Adenine & Thymine B) Thymine & Uracil
C) Guanine & Uracil D) Adenine & Guanine
 
Answer & Explanation Answer: D) Adenine & Guanine

Explanation:

The purines are bases in the DNA. The two purines in DNA are Adenine and Guanine. These two purines forms hydrogen bonds with their complimentary pyrimidines such as Thymine and Cytosine to keep the two rails of the DNA molecule together.

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

3 2694
Q:

As per the decision of the GST Council, e-Way Bill system has been rolled out from

A) 1st March 2018 B) 1st April 2018
C) 1st May 2018 D) 1st January 2018
 
Answer & Explanation Answer: B) 1st April 2018

Explanation:

As per the decision of the GST Council, e-Way Bill system has been rolled out from 1st of April this year (2018).

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

3 2694