Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 16

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IMPORTANT

Earn 100

There is a number $8 * 20$ which if multiplied by $6$ , the product is divisible by $8$ . The digit replacing $*$ mark is:

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Important Questions on Number System

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 17

If

B = 2 \times 4 \times 6 . . . 98 \times 100

, then the number of zeroes at the end of

B

will be:

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 18

In the product of

24 * \times 981 \times 79 \times 104

if the digit in the unit place is

2

, then what will come in place of the Asterix?

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 19

A number consists of four digits having

8

in the unit's place. If the digit in the extreme left is shifted to the immediate right to the unit's place, keeping all other numbers as they are, the new number formed exceeds the original number by

1, 305

. Find the original number.

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 20

A

4

-digit number divisible by

7

becomes divisible by

3

when

10

is added to it. The largest such number is:

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 22

If

2^{36} - 1 = 68 a 1, 94, 76, 735

, where '

a

' is any digit, than the value of '

a

' is

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 23

Let

x

be the product of two number

3, 659, 893, 456, 789, 325, 678

and

342, 973, 489, 379, 256

. The number of digits in

x

is:

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 24

When a natural number

N

is divided by

5

, the remainder is

2

, when divided by

7

, the remainder is

3

, when divided by

9

, the remainder is

4

. If

N

is the smallest number, then the sum of the digits of

N

is:

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 25

Let

x

be an odd natural number. If

x

is divided by

6

, it leaves a remainder

y

. If

y^{2}

is divided by

4

, it leaves the remainder of

z

. Which of the following must be true for

z

?