Question

Q1. Fill Ups


(a) Greater number of 5 digit is ___________


(b) 1,277 will be written in Indian P.V system as _______


(c) 1 more than 35007_______


(d) 1 less than 80000 ________


(e) Twelve thousand twelve will be written as __________​

Answer 1

Answer:

Explanation:

6

There are in total 6 numbers, 4,5,6,7,8.

Now consider the number

56000

Consider the numbers of the form

56−−−.

Considering no repetitions we get

3×2×1

=6 numbers.

Similarly for 57−−− and 58−−−.

Hence

3×6

=18 numbers.

Now consider the numbers starting with 6.

6−−−−

We get 4×3×2×1

=24.

Similarly for the numbers starting with 7 and 8 we get in total 24 numbers each.

Hence total number of numbers greater than 56000 will be

=(24×3)+18

=72+18

=90

15K=90⇒K=6

Answer 2

Answer:

a. 99999

b. one thousand two hundred seventy seven

c. 35008

d. 79999b

e. 12012

Explanation:

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