Practice Questions on Number System
Aptitude Questions and Answers

Easy Number System Question - 31

Q31.

The numbers 1 to 29 are written side by side as follows $1234567891011......2829$. If the number is divided by 9, then what is the remainder?

A.

0

B.

1

C.

2

D.

3

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Easy Number System Question - 32

Q32.

When 75% of a two-digit number is added to it, the digits of the number are reversed. Find the ratio of the unit's digit to the ten's digit in the original number.

A.

1:2

B.

1:4

C.

2:1

D.

3:2

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Easy Number System Question - 33

Q33.

How many zeroes will be there in the expansion of the expression

$1^1 × 2^2 × 3^3 × 4^4……..× 100^{100}$

A.

1200

B.

1232

C.

1300

D.

1296

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