Question

Exercise 2G ...
1 From the following, find the numbers divisible by 9.
a 8163 b 7214 c 8353 d 6345 e 1584 f 3617 g 6273 h 8001 i 4375 j 8931
2 Identify the numbers divisible by 10.
a 29 b 430 e 89 d 77 e 120 f 33 g 17908 h 3640
3 Identify the numbers divisible by 11.
a 71412
b 376277
C 6116
d 86124
e 643214
f 20438
g 48295
h 14909
i 97526
j 563761
4 You are given three digits 7, 2, and 9.
a How many three-digit numbers can be formed without repeating any of them?
b How many of the numbers formed in a are divisible by 3? Why?
c How many of the numbers formed in a are divisible by 9? Why?
d How many of the numbers formed in a are divisible by 6? Why?
5 72a384 is a number in which one of the digit is “a”. If the number is exactly divisible by 9, what is
the numerical value of 'a'?
6 46a7b2 is a number of 6 digits in which a and b are two digits. This number is divisible by 9. Fin
the least value of a + b. Also state the maximum value of a + b.
7 There are 150 students waiting for a boat to cross a river. The students have to be divided into ec
groups to get into different boats. In how many ways can you group the students such that each
group has more than 5 students and less than 50 students?
​

Answer 1

Answer:

1.Divisible by 9÷

a)8163

d)6345

e)1584

g)6273

h)8001

2.Divisible by 10÷

b)430

e)120

h)3640

Divisible by 11÷

a)71412

b)376277

c)6116

e)643214

f)20438

i)97526

j)563761

4.a)729,297,927,972,792,279

b)All

c)All

d)2

5.a=3

Answer 2

Answer:

1 a) 8163

d) 6345

e) 1548

g) 6273

h) 8001

2 b)430

e)120

h)3640

3 a 71412

b 376277

c 6116

f 20438

i 97526

j 563761

4 a 6

b all six

c all six

d 3

5) 3

6) 4+4 and 8+9