Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 11

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6th Tamil Nadu Board

IMPORTANT

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Find the smallest number which is exactly divisible by all the numbers from $1$ to $9$ .

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Important Questions on Numbers

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 12

The product of any three consecutive numbers is always divisible by

6

. Justify this statement with an example.

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 13

Malarvizhi, Karthiga and Anjali are friends and natives of the same village. They work at different places. Malarvizhi comes to her home once in

5

days. Similarly,Karthiga and Anjali come to their homes once in

6

days and

10

days respectively. Assuming that they met each other on the

1^{st}

of October, and met again on

k^{s t}

October. Find the value of

k

.

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 14

In an apartment consisting of

108

floors, two lifts

A & B

starting from the ground floor, stop at every

3^{rd}

and

5^{th}

floors respectively. On which floors, will both of them stop together?

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 15

The product of

2

two digit numbers is

300

and their HCF is

5 .

What are the numbers?

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 16

Find whether the number

564872

is divisible by

88

(use of the test of divisibility rule for

8

and

11

will help)

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Exercise 1.3>Q 17

Wilson, Mathan and Guna can complete one round of a circular track in

10, 15

and

20

minutes respectively. If they start together at

7 a . m .

from the starting point, at what time will they meet together again at the starting point?

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Solved Example>Q 1

Express

42

and

100

as the sum of two consecutive primes.

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6th Tamil Nadu Board

IMPORTANT

Mathematics Standard 6 Term II>Chapter 1 - Numbers>Solved Example>Q 2

Express

31

and

55

as the sum of any three odd primes.