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Q:

In 1990 a person is 15 years old. In 2000 that same person is 5 years old. How can this be possible?

Answer

It can be possible in only B.C. i.e, Before Christ. That was about 2000 years ago.

Given,

In 1990 B.C = 2000 + 1990 = 3990 years ago, a person is 15 years Old

=> In 1995 B.C = 2000 + 1995 = 3995 years ago, the same person will be 10 years Old

Therefore, In 2000 B.C = 2000 + 2000 = 4000 years ago, the same person will be 5 years Old.

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Subject: Logic Puzzles Exam Prep: Bank Exams
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Q:

How many Teaspoons in a Tablespoon?

A) 4	B) 5
C) 2	D) 3

Answer & Explanation Answer: D) 3

Explanation:

Tablespoon > Teaspoon

In US & UK, 1 Tablespoon = 3 Teaspoons.

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Filed Under: General Science
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Q:

How many lines of symmetry does a Pentagon have?

A) 4	B) 5
C) 6	D) 0

Answer & Explanation Answer: B) 5

Explanation:

A regular Pentagon have 5 sides and 5 lines of symmetry.

The number of lines of symmetry in a regular polygon is equal to the number of sides.

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Filed Under: Analytical Reasoning
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Q:

Three men, four women and six children can complete a work in 9 days. A women does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 9 days?

A) 7	B) 8
C) 9	D) 6

Answer & Explanation Answer: A) 7

Explanation:

Given (3 Men + 4 Women + 6 Children) -----> 9 days

But W = 2M and C = M/2

Now, convert Men and Children into Women by

$3 \frac{W}{2} + 4 W + 6 \frac{W}{4} = > \frac{3}{2} + 4 + \frac{3}{2} = 7 Women$

Therefore, 7 women alone can complete this work in 9 days.

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Filed Under: Time and Work
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Q:

UDAN - 2 has how many routes?

A) 128	B) 325
C) 256	D) 110

Answer & Explanation Answer: B) 325

Explanation:

The Indian Government awarded 325 routes to airlines as well as helicopter operators under its regional connectivity scheme (RCS) with an emphasis on enhancing flight services to hilly and remote areas, including Kargil under the Regional air Connectivity Scheme (RCS) — Ude Desh Ka Aam Naagrik (UDAN-2).

In the UDAN - 1 it has 128 routes.

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Filed Under: General Awareness
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Q:

The respective ratio between the speed of a bike, a van and lorry is 3 : 5 : 2. The speed of the van is 250 percent of the speed of the lorry which covers 360 km in 12 hours. What is the average speed of the bike and the van together?

A) 60 kmph	B) 62 kmph
C) 64 kmph	D) 63 kmph

Answer & Explanation Answer: A) 60 kmph

Explanation:

Speed of lorry = $\frac{360}{12}$ = 30 kmph

Speed of van = $\frac{250}{100} x 30$ = 75 kmph

Speed of bike = $\frac{3}{5} x 75$ = 45 kmph

Therefore, now required average speed of bike and van = $\frac{75 + 45}{2}$ = 60 kmph.

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Filed Under: Time and Distance
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Q:

Who has been elected as the first woman chairman of Indian Bank's Association (IBA)?

A) Usha Ananthasubramanian	B) Shikha Sharma
C) Kaku Nakhate	D) Chanda Kochhar

Answer & Explanation Answer: A) Usha Ananthasubramanian

Explanation:

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Filed Under: General Awareness
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Q:

In a 40 litre mixture of alcohol & water, the ratio of alcohol and water is 5 : 3. If 20% of this mixture is taken out and the same amount of water is added then what will be the ratio of alcohol and water in final mixture?

A) 1:1	B) 2:1
C) 3:1	D) 1:2

Answer & Explanation Answer: A) 1:1

Explanation:

Quantity of alohol in the mixture = 40 x 5/8 = 25 lit

Quantity of water = 40 - 25 = 15 lit

According to question,

Required ratio = $\frac{20 - (40 x \frac{20}{100} x \frac{5}{8})}{15 - (40 x \frac{20}{100} x \frac{3}{8}) + 40 x \frac{20}{100}} = \frac{20}{15 - 3 + 8} = 1 : 1$

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Filed Under: Alligation or Mixture
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