Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 3

HARD

6th CBSE

IMPORTANT

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Find the greatest $4$ -digit number, which when divided by $20, 24$ and $45$ leaves a remainder of $18$ in each case.

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Important Questions on Playing With Whole Numbers

MEDIUM

6th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>CHAPTER-END EXERCISES>Q 4

Find the least number of flowers so that bunches of

12, 15

or

20

flowers can be made.

HARD

6th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>HOTS>Q 1

There are two numbers

x

and

y

such that

x < y

. Their H.C.F. is

4

and L.C.M. is

48

. If

2

is added to

y

, the H.C.F. is increased by

2

. If

2

is subtracted from

x

, the H.C.F. is reduced by

2

. Find values of

x

and

y

.

HARD

6th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>HOTS>Q 2

Write a largest

5

-digit number using digits

1, 2, 3, 4, 5

only once, which is divisible by

8

.

HARD

6th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>HOTS>Q 3

If three numbers are in the ratio

1 : 2 : 3

and their H.C.F. is

12

, find the numbers.

HARD

6th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>HOTS>Q 4

The sum of two numbers is

216

and their H.C.F. is

27

. Find the numbers.

HARD

6th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>VALUE-BASED QUESTIONS>Q 1

In a

3

-digit prime number, sum of its digits is

5

. If the ones and hundreds digits are interchanged, it still remains prime number. What is the original number and what is the changed number ?

HARD

6th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 3 - Playing With Whole Numbers>VALUE-BASED QUESTIONS>Q 3

LCM of two numbers is

48

. The numbers are in the ratio

2 : 3

. Find the sum of numbers.