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Q:

How many combinations of two-digit numners having 8 can be made from the following numbers?

8, 5, 2, 1, 7, 6

A) 10 B) 6
C) 9 D) 11
 
Answer & Explanation Answer: D) 11

Explanation:

The possibe two-digit numbers are: 88, 85, 82, 81, 87, 86, 58, 28, 18, 78, 68

These are 11 in number

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Filed Under: Number, Ranking and Time Sequence Test

Q:

517  325  639  841  792

What will be the first digit of the second highest number after the positions of only the 2nd, 3rd digits within each number are interchanged?

A) 8 B) 2
C) 7 D) 9
 
Answer & Explanation Answer: C) 7

Explanation:

The new numbers formed are 571, 352, 693, 814, 729

The second highest number is 729, its first digit is 7

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Q:

If it is possible to form a number which is a perfect square of a two digit odd number using the second, fourth, seventh digits of the number 739142658 using each only once, which of the following is the second digit of that two-digit odd number?

A) 4 B) 7
C) 3 D) none
 
Answer & Explanation Answer: D) none

Explanation:

The 2nd, 4th, 7th digits are 3, 1, 6 respectively.

 

The perfect square of a two-digit odd number, formed using these digits, is 361

 

and 361 = 19^2

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Q:

If the position of the first, sixth digits of the number 2796543018 are interchanged, similarly the positions of the the second and seventh digits are interchanged and so on, which of the following will be the left of seventh digit from the left end?

A) 1 B) 7
C) 0 D) 8
 
Answer & Explanation Answer: A) 1

Explanation:

The new number formed is 4  3  0  1  8  2  7  9  6  5

The seventh digit from the left is 7, the 3rd digit from the left of 7 is 1

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Q:

If the following series is written in the reverse order, which number will be fourth to the right of the seventh number from the left?

7, 3, 9, 7, 0, 3, 8, 4, 6, 2, 1, 0, 5, 11, 13

 

A) 5 B) 11
C) 9 D) 0
 
Answer & Explanation Answer: D) 0

Explanation:

The given series when written in reverse order becomes:

13, 11, 5, 0, 1, 2, 6, 4, 8, 3, 0, 7, 9, 3, 7

The seventh number from the left is 6, the fourth number to the right of 6 is 0

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Q:

In the following series of numbers, howmany 1, 3, 7 have appeared together. 7 being in middle and 1, 3 on either side of ??

2  9  7  3  1  7  3  7  7  1  3  3  1  7  3  8  5  7  1  3  7  7  1  7  3  9  0  6

A) 4 B) 5
C) 3 D) More than 5
 
Answer & Explanation Answer: C) 3

Explanation:

3  1  7  3  7

3  1  7  3  8

7  1  7  3  9

At these places 1, 7, 3 appeared together

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Q:

what is the International Date Line

A) It is the Equator B) it is the 00 longitude
C) It is the 900 east longitude D) It is the 1800 longitude
 
Answer & Explanation Answer: D) It is the 1800 longitude

Explanation:
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Filed Under: World Geography

Q:

The Tropic of cancer does not pass through

A) India B) Pakistan
C) Bangladesh D) Myanmar
 
Answer & Explanation Answer: B) Pakistan

Explanation:

tro1525840123.jpg image

The Tropic of Cancer is 23.5 degrees north latitude. It passes through 16 countries across 3 continents. They are

 

1. In North America,

Mexico and Bahamas(Archipelago).

 

2. In Africa,

Niger, Algeria, Mauritania, Egypt, Libya, Mali and Western Sahara.

 

3. In Asia,

Myanmar, Omen, Bangladesh, India, Saudi Arabia, China, United Arab Emirates and Taiwan.

 

The Tropic of Cancer also passes through 6 Water Bodies on the whole. They are

1. Indian Ocean,

2. Atlantic Ocean,

3. Pacific Ocean,

4. Taiwan Strait,

5. Red Sea (and) 

6. Gulf of Mexico.

 

Hence, The Tropic of cancer does not pass through Pakistan.

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Filed Under: World Geography
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