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Q:

There are six children playing football, namely A, B, C, D, E and F. A and E are brothers. F is the Sister of E. C is the only son of A's Uncle. B and D are the daughters of the brother of C's father. How is D related to A?

A) Uncle	B) Sister
C) Niece	D) Cousin

Answer & Explanation Answer: D) Cousin

Explanation:

Clearly, D's father is the brother of C's father and C's father is A's Uncle. So, D's father is also A's Uncle. Thus, D is A's cousin.

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Filed Under: Blood Relations

Q:

The world's highest rail bridge being constructed in the state of Jammu and Kashmir will be on which of the following rivers?

A) Jhelum	B) Chenab
C) Indus	D) Ravi

Answer & Explanation Answer: B) Chenab

Explanation:

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Filed Under: Indian Geography

Q:

Driest areas of India which lie Rajastan have an average annual rainfall of _____

A) 10 cm	B) 1cm
C) Between 1 cm to 10 cm	D) Less than 1cm

Answer & Explanation Answer: D) Less than 1cm

Explanation:

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Filed Under: Indian Geography

Q:

India is the seventh largest country in the world and it covers a total area of approximately________

A) 2700000 sq.km	B) 3000000 sq.km
C) 3200000 sq.km	D) 3600000 sq.km

Answer & Explanation Answer: C) 3200000 sq.km

Explanation:

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Filed Under: Indian Geography

Q:

The number of ways that 8 beads of different colours be strung as a necklace is

A) 2520	B) 2880
C) 4320	D) 5040

Answer & Explanation Answer: A) 2520

Explanation:

The number of ways of arranging n beads in a necklace is $\frac{(n - 1)!}{2} = \frac{(8 - 1)!}{2} = \frac{7!}{2}$ = 2520

(since n = 8)

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

Q:

The number of ways that 7 teachers and 6 students can sit around a table so that no two students are together is

A) 7! x 7!	B) 7! x 6!
C) 6! x 6!	D) 7! x 5!

Answer & Explanation Answer: B) 7! x 6!

Explanation:

The students should sit in between two teachers. There are 7 gaps in between teachers when they sit in a roundtable. This can be done in $7 P_{6}$ ways. 7 teachers can sit in (7-1)! ways.

Required no.of ways is = $7 P_{6} . 6! = 7! . 6!$

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Filed Under: Permutations and Combinations
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

Q:

Which of the following groups of rivers in india are likely to show the least erosional activity?

A) Himalayan rivers	B) Those rising in the Great Plain of India
C) The thin streams flowing into the Arabian Sea	D) The east-ward flowing peninsular rivers

Answer & Explanation Answer: D) The east-ward flowing peninsular rivers

Explanation:

The rivers are arranged in the descending order of their erosional activity.

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Filed Under: Indian Geography

Q:

What characteristic of read-only memory (ROM ) makes it useful?

A) ROM informationcan be easily updated	B) Data in ROM is non volatile, that is, it remains there even without electrical power
C) ROM provides very large amounts of inexpensive data storage	D) ROM chips are easily swapped between different brands of computers

Answer & Explanation Answer: B) Data in ROM is non volatile, that is, it remains there even without electrical power

Explanation:

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Filed Under: Computer

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