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Q:

A water tank in a village is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the tank is full, in how many hrs will the leak empty it ?

A) 34 hrs	B) 36 hrs
C) 38 hrs	D) 40 hrs

Answer & Explanation Answer: D) 40 hrs

Explanation:

The time taken by the leak to empty the tank = $\frac{1}{8} - \frac{1}{10} = \frac{5 - 4}{40} = \frac{1}{40}$

Therefore, the leak empties the tank in 40 hours.

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Filed Under: Pipes and Cistern
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Q:

9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work?

A) 35/4 days	B) 17.5 days
C) 19 3/4 days	D) 37/3 days

Answer & Explanation Answer: B) 17.5 days

Explanation:

Let the number of days be 'p'

As the work is same, we know that

$M 1 x D 1 x H 1 = M 2 x D 2 x H 2$

Where M = Men, D = Days, H = Hours per day

Here M1 = 9, D1 = 15, H1 = 7

M2 = 6, D2 = p, H2 = 9

=> 9 x 15 x 7 = 6 x p x 9

=> p = 35/2 = 17.5 days.

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Filed Under: Time and Work
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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Q:

How many Enzymes are there in the Human Body?

Answer

There are nearly about 75000 enzymes of 3 classes are there in the human body. They are :

1. Metabolic Enzymes - Enzymes that help to run our Bodies

2. Digestive Enzymes - Enzymes that help in digesting Food

3. Food Enzymes - Enzymes from raw foods that start our Food digestion.

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Subject: Biology Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank PO

Q:

Who Built The Suez Canal?

A) Theodore Roosevelt	B) Ferdinand de Lesseps
C) Robert Mills	D) James Hoban

Answer & Explanation Answer: B) Ferdinand de Lesseps

Explanation:

The Suez Canal in Egypt, is a 101 mile long canal that connects the Mediterranean Sea with the Gulf of Suez, a northern branch of the Red Sea. It was built in 1869 by Ferdinand de Lesseps.

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Filed Under: General Awareness
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Q:

Who is the author of book "Superstar India: Incredible to unstoppable "?

Answer

Shobha Rajadhyaksha, also known as Shobhaa De (born 7 January 1948), is the author of the book "Superstar India: From Incredible to unstoppable ". She is an Indian columnist and novelist. De is best known for her depiction of socialites and sex in her works of fiction, for which she has come to be known as the "Jackie Collins of India".

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Subject: Books and Authors Exam Prep: Bank Exams
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Q:

Which payment method typically charges the highest interest rates?

A) Credit cards	B) Payday loans
C) Cashier's checks	D) Pre-paid cards

Answer & Explanation Answer: B) Payday loans

Explanation:

Both Credit cards and Payday loans payment methods typically charges the highest interest rates. When compared Payday loans seems to charge a little bit higher interest rates than Credit Cards interest rates.

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Filed Under: Bank Interview
Exam Prep: Bank Exams , CAT
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Q:

Which one phosphorylates ADP to make ATP?

Answer

ATP synthase Phosphorylates ADP to make ATP.

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams
Job Role: Analyst

Q:

Two Fathers and Two Sons walk into a ice cream parlour. They each buy something for Rs. 50 but they only spent Rs. 150. How is that possible?

Answer

One grandfather, One father and One son makes two fathers and two sons.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

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