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Q:

Simple interest on a certain sum is 16/25 of the sum. Find the rate percent and time, If both are numerically equal.

A) Rate = 7% and Time = 7 years. B) Rate = 8% and Time = 8 years.
C) Rate = 6% and Time = 6 years. D) Rate = 5% and Time = 5 years.
 
Answer & Explanation Answer: B) Rate = 8% and Time = 8 years.

Explanation:

Let sum = X. Then S.I = 16x/25

 

Let rate = R% and Time = R years.

 

Therefore,  (x * R * R)/100 = 16x/25   =>  R = 40/5 = 8

 

Therefore, Rate = 8% and Time = 8 years.

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Filed Under: Simple Interest
Exam Prep: GRE

112 40636
Q:

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

6859       5832     ?      4096     3375

A) 4589 B) 4913
C) 5013 D) 5169
 
Answer & Explanation Answer: B) 4913

Explanation:

The given series follows a pattern that,

19 x 19 x 19 = 6859

18 x 18 x 18 = 5832

17 x 17 x 17 = 4913

16 x 16 x 16 = 4096

15 x 15 x 15 = 3375

So, the missing number in the given series = 4913  

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

65 40560
Q:

Select the related word/letters/number from the given alternatives.

 

Screw Gauge : Thickness : : Sphygmomanometer : ?

A) Blood pressure B) Haemoglobin
C) Keratin D) Insulin
 
Answer & Explanation Answer: A) Blood pressure

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

0 40513
Q:

Find the odd one out of the following number series?

56, 64, 48, 90, 16, 144

 

A) 48 B) 64
C) 90 D) 16
 
Answer & Explanation Answer: C) 90

Explanation:

The given number series follows a pattern that,

56

56 + 8 = 64

64 - 16 = 48

48 + 32 = 80 (Not equal to 90)

80 - 64 = 16

16 + 128 = 144 

 

Hence, the odd number in the given number series is 90.

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Filed Under: Odd Man Out
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

4 40427
Q:

Select the antonym of

affidavit

 

A) affirmation B) slander
C) oath D) testimony
 
Answer & Explanation Answer: B) slander

Explanation:
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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

0 40325
Q:

Select the synonym of

 

accolade

 

A) bungle B) performance
C) fiasco D) distinction
 
Answer & Explanation Answer: D) distinction

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 40195
Q:

 If a2 = 12, then a4 =? 

 

A) 144 B) 72
C) 36 D) 24
 
Answer & Explanation Answer: A) 144

Explanation:

Given a x a = 12

asked to find a x a x a x a =  (a x a) x (a x a)

a4 = a2 x a2 

= 12 x 12

= 144.

 

More :: Mathematical operations questions and answers.

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

6 40186
Q:

Which fraction comes next in the sequence

23, 13, 527, 781, ?

A) 1/27 B) 11/278
C) 9/48 D) 7/123
 
Answer & Explanation Answer: A) 1/27

Explanation:

Clearly, the numerators of the fractions in the given sequence follow the series of 2, 3, 5, 7,... and the denominator follows 3, 9, 27, 81, 243, ...
Then, the next term in the given sequence is  935 = 9243 = 127 .

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

27 40105