Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 11

EASY

CAT

IMPORTANT

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How many digits are required to number a book containing $200$ pages?

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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 12

Unit's digit of

7^{77} + 777^{777}

is

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 13

A number is multiplied by

5

and

25

is added to it. The result is divided by

5

and the original number is subtracted from the same. The remainder will be:

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 14

(\frac{1}{3} - \frac{1}{4})

is added to a number. From the sum so obtained,

\frac{1}{3}

of

\frac{1}{4}

is subtracted and the remainder is

(\frac{1}{3} + \frac{1}{4})

. The number is:

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IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 1 - Number System>Practice Problems Level 2>Q 15

Which one of the following does not divide

2^{1650} - 1

?

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IMPORTANT

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

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

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.