Question

6.
Replace
by a digit so that the number is divisible by 9.
(a) 384
62
(c) 9080
(b) 1
80498
(d) 46
21​

Answer 1

Step-by-step explanation:

• Divisibility 9 rule: sum of digits is divisible by 9

(a) 384 62

• sum=3+8+4+6+2= 23, need +4 to get 27 so number changed to:

• 78462 or 38862 or 38466

(c) 9080

• sum= 9+8=17, need +1 to get 18:

• 9180, 9090, 9081

(b) 1 80498

• sum= 1+8+4+9+8=30, need +6 to get 36:

• 780498, 186498

(d) 46 21​

• sum= 4+6+2+1=13, need +5 to get 18:

• 9621, 4671, 4626

Answer 2

Answer:

3+8+4+_+6+2=23+4=27 so you get ans is 4