How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 8

EASY

CAT

IMPORTANT

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What will be the remainder obtained when $(9^{6} + 1)$ will be divided by $8$ ?

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Important Questions on Number Systems

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 9

Find the ratio between the LCM and HCF of

5, 15

and

20

.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 10

Find the LCM of

\frac{5}{2}, \frac{8}{9}

and

\frac{11}{14}

.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 11

If the number

A

is even, which of the following will be true?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 12

A five-digit number is taken. Sum of the first four digits (excluding the number at the units digit) equals sum of all the five digits. Which of the following will not divide this number necessarily?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 13

A number

15 B

is divisible by

6

. Which of these will be true about the positive integer

B

?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 14

Two numbers

P = 2^{3} \cdot 3^{10} \cdot 5

and

Q = 2^{5} \cdot 3^{1} \cdot 7^{1}

are given. Find the GCD of

P

and

Q

?

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 15

Find the unit digit of the expression

25^{6251} + 36^{528} + 73^{54}

.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 16

Find the units digit of the expression

55^{725} + 73^{5810} + 22^{853}

.