Question

9. A number is divisible by 4 if its
(a) Last digit is 4 (b) last digit is 0 (c) last two digits are divisible by 4
10. Divisibility by 2, 5, 10 can be checked by
(a) Sum of digits (b) last digit (c) last two digits (d) last three digits
11. Which is greatest 3-digit number exactly divisible by 8, 10, 12
(a) 120 (b) 360 (c) 960 (d) 980

Answer 1

Answer:

9. (c)

10.(b)

11. (c)

Step-by-step explanation:

9. A number is divisible by four if its last two digits are divisible by 4

10. If a number ends with 0 that number is divisible by 10 also if a number is divisible by 10 that number is divisible by 5 & 2 so the last digit must be zero to be divisible by 10 , 5 and 2

11. The greatest 3 digit number exactly divisible by 8,10,12 is 960