Exams Questions and Answers

Q:

Solve the missing number puzzle?

number_puzzle31533710656.jpg image

Answer

Here in the above puzzle,

Consider the columns.

Column 1 = Row 1 + Row 2 = Row 3

That is,

44 + 12 = 56

Similarly,

48 + 30 = 78

Hence, 14 + 51 = 65.

Hence, the missing number in the given puzzle = 65.

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Subject: Number Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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120 27012

Q:

At what time between 3 and 4 o’clock will the minute hand and the hour hand are on the same straight line but facing opposite directions ?

A) 3:15 2/8	B) 3:49
C) 3:49 1/11	D) 3:51

Answer & Explanation Answer: C) 3:49 1/11

Explanation:

On straight line means 180 degree angle.
180 = 11/2 min – 30 hrs
180 = 11/2 m – 30 × 3
180 = 11/2 m – 90
(180 + 90) 2 = 11 m
m = 540/11 = 49 1/11 minutes.

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Filed Under: Clocks
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30 26999

Q:

A room is half as long again as it is broad. The cost of carpeting the at Rs. 5 per sq.m is Rs. 270 and the cost of papering the four walls at Rs. 10 per sq.m is Rs. 1720. If a door and 2 windows occupy 8 sq. m, find the dimensions of the room.

A) b=6; l=18; H=6	B) b=5; l=6; H=18
C) l=6; b=18; H=15	D) l=5; b=18; H=18

Answer & Explanation Answer: A) b=6; l=18; H=6

Explanation:

Let breadth = x metres, length = 3x metres, height = H metres.

Area of the floor=(Total cost of carpeting)/(Rate) = (270/5) sq.m = 54 sq.m

$x \times \frac{3 x}{2} = 54 \Rightarrow x^{2} = 54 \times 2 \Rightarrow x = 6$

So, breadth = 6 m and length = $\frac{3 (6)}{2}$ = 9 m.

Now, papered area = (1720/10) = 172 sq.m

Area of 1 door and 2 windows = 8 sq.m

Total area of 4 walls = (172 + 8) sq.m = 180 sq.m

$2 \times (9 + 6) H = 180 \Rightarrow H = 6$

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

33 26972

Q:

The given Problem Figure is embedded in one of the given Answer Figures. Which is that Answer Figure?

A B C D

A) A	B) B
C) C	D) D

Answer & Explanation Answer: A) A

Explanation:

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Filed Under: Image Analysis
Exam Prep: Bank Exams

1 26943

Q:

Variance of the data 2, 4, 5, 6, 8, 17 is 23.33. Then the variance of 4, 8, 10, 12, 16, 34 will be

A) 11.66	B) 46.66
C) 93.3333	D) 4.83

Answer & Explanation Answer: C) 93.3333

Explanation:

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Filed Under: Probability
Exam Prep: Bank Exams

5 26933

Q:

Choose the correct alternative from the given ones that will complete the series.

GON, JRQ, MUT, ?

A) NOG	B) PXW
C) JQR	D) TUM

Answer & Explanation Answer: B) PXW

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

0 26904

Q:

The basic operations performed by a computer are

A) Logical operation	B) Storage and relative
C) Arithmetic operation	D) All the above

Answer & Explanation Answer: D) All the above

Explanation:

The_basic_operations_performed_by_a_computer1537941097.png image

The basic operations performed by a computer are Arithmetic operation, Logical operation and Storage and relative.

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Filed Under: Computer
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67 26898

Q:

Which of the statements given below are correct?

A) Alexander Norén won the Golf 2017 BMW PGA Championship.

B) Canada hosted the Table Tennis 2017 ITTF Women's World Cup.

C) In 2018 IPL auctions, Rajasthan Royals retained Steve Smith.

A) Only C	B) B and C
C) A and B	D) A, B and C

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