How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 4

EASY

CAT

IMPORTANT

Earn 100

The sum of two numbers is $15$ and their geometric mean is $20 %$ lower than their arithmetic mean. Find the numbers.

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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 5

The difference between two numbers is

48

and the difference between the arithmetic mean and the geometric mean is two more than half of

\frac{1}{3}

of

96

. Find the numbers.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 6

If

A 381

is divisible by

11

, find the value of the smallest natural number

A

.

EASY

CAT

IMPORTANT

How to prepare for Quantitative Aptitude for the CAT>Chapter 1 - Number Systems>Level of Difficulty>Q 7

If

381 A

is divisible by

9

, find the value of the smallest natural number

A

.

EASY

CAT

IMPORTANT

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

What will be the remainder obtained when

(9^{6} + 1)

will be divided by

8

?

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?