Question

27. The difference between the place values of
8 in the greatest and the smallest 4-digit
numbers formed by using the digits 3, 8.0,
5 (each digit used only once) is
(A) 8998
(B) 6992
(C) 7992
(D) 5998

Answer 1

Answer:

Selina solutions

Grade 6

Biology

Mathematics

Physics

Chapters in CONCISE Mathematics - Middle School - 6

Exercises in Number System (Consolidating the Sense of Numberness)

Question 8

Q8)Form the greatest and the smallest 4 digit numbers using the given digits without repetition

(i) 3, 7, 2 and 5

(ii) 6, 1, 4 and 9

(iii) 7, 0, 4 and 2

(iv) 1, 8, 5 and 3

(v) 9, 6, 0 and 7

Solution

Transcript

Solution :

(i) The given digits are 3,7,2 and 5 :

(a) The greatesst 4 digit number = 7532

(b) And the smallest 4 digit number =2357

(ii)The digits are given ; 6,1,4 and 9 :

(a) The greatesst 4 digit number = 9641

(b) And the smallest 4 digit number =1469

(iii) The digits are given 7,0,4 and 2 :

(a) The greatesst 4 digit number = 7420

(b) And the smallest 4 digit number =2047

(iv) The digits are given 1,8,5 and 3 :

(a) The greatesst 4 digit number = 8531

(b) And the smallest 4 digit number =1358

(v) The digits are given 9,6,0 and 7 :

(a) The greatesst 4 digit number = 9760

(b) And the smallest 4 digit number =6079

Answer 2

•Correct Question

8) Form the greatest and the smallest 4-digit numbers using the given digits without repetition.

$\rm a)8998$

$\rm b)6992$

$\rm c)7992$

$\rm d)5998$

•Solution

$\rm a)8998$

❥Greatest 4-digit number

$➜ \rm 9988$

❥Smallest 4-digit number

$➜ \rm 8899$

$\rm b)6992$

❥Greatest 4-digit number

$➜ \rm 9962$

❥Smallest 4-digit number

$➜ \rm 2699$

$\rm c)7992$

❥Greatest 4-digit number

$➜ \rm 9972$

❥Smallest 4-digit number

$➜ \rm 2799$

$\rm d)5998$

❥Greatest 4-digit number

$➜ \rm 9985$

❥Smallest 4-digit number

$➜ \rm 5899$

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