Question

Divisibility of 6 no. 59730

Answer 1

number is divisible by 6 if it is divisible by 2 and 3 both. Consider the following numbers which are divisible by 6, using the test of divisibility by 6: 42, 144, 180, 258, 156. [We know the rules of divisibility by 2, if the unit's place of the number is either 0 or multiple of 2].

Answer 2

Step-by-step explanation:

80 bulbs are selected at random from a lot and then I to

frequency table given below:

Life time (in hrs)

700

500

300

23

Frequency

12

10

25

10

is selected at random from the lots. Find the probability that its life is 1150 hours