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Q:

There are 41 students in a class, number of girls is one more than number of guys. we need to form a team of four students. all four in the team cannot be from same gender. number of girls and guys in the team should NOT be equal. How many ways can such a team be made ?

A) 49450	B) 50540
C) 46587	D) 52487

Answer & Explanation Answer: B) 50540

Explanation:

Given G + B= 41 and B = G-1
Hence, G = 21 and B = 20
Now we have 2 options,
1G and 3M
(or)
3G and 1M
(2G and 2M or 0G and 4M or 4G and oM are not allowed),

Total : ${}^{21}C_{1} \times {}^{20}C_{3} + {}^{21}C_{3} \times {}^{20}C_{1}$ = 50540 ways.

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Filed Under: Permutations and Combinations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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Q:

The difference of two numbers is 14. Their LCM and HCF are 441 and 7. Find the two numbers ?

A) 63 and 49	B) 64 and 48
C) 62 and 46	D) 64 and 49

Answer & Explanation Answer: A) 63 and 49

Explanation:

Since their HCFs are 7, numbers are divisible by 7 and are of the form 7x and 7y

Difference = 14
=> 7x - 7y = 14
=> x - y = 2

product of numbers = product of their hcf and lcm
=> 7x * 7y = 441 * 7
=> x * y = 63

Now, we have
x * y = 63 , x - y = 2
=> x = 9 , y = 7

The numbers are 7x and 7y
=> 63 and 49

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Filed Under: HCF and LCM
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

Which bank has the tagline - Your Trusted Family Bank?

A) Indian Overseas Bank	B) Dena Bank
C) Indian Bank	D) Yes Bank

Answer & Explanation Answer: B) Dena Bank

Explanation:

Which_bank_has_the_tagline_Your_Trusted_Family_Bank1558506342.jpg image

Dena Bank Ltd was an Indian public sector bank with the tagline " Your Trusted Family Bank ". It was headquartered in Mumbai. The bank was founded in 1938 and the Indian government nationalized it in 1969.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

Q:

Name the first e-commerce company that will become the member of Advertising Standards Council of India (ASCI)?

A) Amazon	B) Snapdeal
C) Paytm	D) Flipkart

Answer & Explanation Answer: C) Paytm

Explanation:

The country’s fast-growing e-commerce industry will finally mark its presence at the Advertising Standards Council of India (ASCI), with Paytm set to become a member of the self-regulatory voluntary organisation next month i.e April 2017.

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Filed Under: General Awareness

Q:

American financial magazine Barron's has listed the HDFC Bank Managing Director's name on 23rd position in the list of world’s 30 best CEOs. His name is ___________.

A) Aditya Puri	B) Sanjeev Misra
C) M K Sharma	D) Shikha Singh

Answer & Explanation Answer: A) Aditya Puri

Explanation:

American financial magazine Barron's has listed the name of HDFC Bank Managing Director Aditya Puri’s name in its list of world’s 30 best CEOs. He holds the 23rd position in the list beating social media giant Facebook’s CEO Mark Zuckerberg who is listed on the 30th spot.

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Filed Under: General Awareness
Exam Prep: Bank Exams

Q:

The primary purpose of an operating system is ?

A) To allow people to use the computer	B) To make computers easier to use
C) To keep systems programmers employed	D) To make the most efficient use of the computer hardware

Answer & Explanation Answer: D) To make the most efficient use of the computer hardware

Explanation:

The primary purpose of an operating system is to make the most efficient use of the computer hardware.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams
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Q:

The unit MIPS is used to measure the speed of a___.

A) Disk drive	B) Tape drive
C) Printer	D) Processor

Answer & Explanation Answer: D) Processor

Explanation:

MIPS refers millions instruction per sec and is used to measure the speed of Processor.

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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk

Q:

Recycled plant matter is known as ?

A) Decomposed	B) Carbide
C) Compost	D) None

Answer & Explanation Answer: C) Compost

Explanation:

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Filed Under: Chemistry

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