Aptitude and Reasoning Questions

Q:

For how many integer values of n will the value of the expression 4n + 7 be an integer greater than 1 and less than 200?

A) 48 B) 49
C) 50 D) 51
 
Answer & Explanation Answer: C) 50

Explanation:

1 < 4n + 7 < 200

n can be 0, or -1

n cannot be -2 or any other negative integer or the expression 4n + 7 will be less than1.

The largest value for n will be an integer < (200 - 7) /4

193/4 = 48.25, hence 48

The number of integers between -1 and 48 inclusive is 50

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Filed Under: Numbers
Exam Prep: GRE

2 8160
Q:

Study the following figure and answer the questions given below.

 

 

By which number, the trained unmarried lecturers in the college are represented?

A) 6 B) 5
C) 7 D) 4
 
Answer & Explanation Answer: D) 4

Explanation:
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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

0 8159
Q:

Find the annual income derived by investing Rs. 6800 in 10% stock at 136.?

A) 250 B) 1500
C) 500 D) 50
 
Answer & Explanation Answer: C) 500

Explanation:

By investing Rs. 136, income obtained = Rs. 10.

 

By investing Rs. 6800, income obtained = Rs.1036×6800 = Rs. 500.

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Filed Under: Stocks and Shares

4 8156
Q:

Given that 100.48 = x,  100.70 = y and xz = y2,  then the value of z is close to ___ ?

A) 3.7 B) 2.7
C) 3.6 D) 2.9
 
Answer & Explanation Answer: D) 2.9

Explanation:

xz = y2        10(0.48z) = 10(2 x 0.70) = 101.40

 0.48z = 1.40

 z = 140/18 = 35/12 = 2.9 (approx.)

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

10 8155
Q:

Represent the 0.000256 in vulgar fraction.

 

A) 4/15625 B) 2/15625
C) 16/15625 D) 8/15625
 
Answer & Explanation Answer: A) 4/15625

Explanation:
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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

4 8141
Q:

A dishonest shopkeeper professes to sell his groceries at his cost price but uses a false weight of 900 grams for each kilogram. Find his gain percentage.

A) 91/9 % B) 100/9%
C) 100/11 % D) 95/9%
 
Answer & Explanation Answer: B) 100/9%

Explanation:

Shopkeeper sells at CP using weight of 900 gm instead of1 kg

So, 1000gm –900 gm = 100gm

⇒100/900 X 100

⇒100/9 %

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

5 8137
Q:

Car is to garage as aeroplane is to

A) Hangar B) Port
C) Harbour D) Depot
 
Answer & Explanation Answer: A) Hangar

Explanation:

We park car temporarily in garrage, similarly, aeroplane is temporarily parked in hangar.

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

7 8136
Q:

The sum of the digits of a two-digit number is 9 less than the number. Which of the following digits is at unit's place of the number ?

A) 1 B) 2
C) 3 D) data inadequate
 
Answer & Explanation Answer: D) data inadequate

Explanation:

Let the ten's digit be x and unit's digit be y. Then, (10x + y) - (x + y) = 9 or x = 1.

From this data we cannot find  y, the unit's digit. So the data is inadequate..

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Filed Under: Problems on Numbers

3 8134