CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Quantitative Aptitude

Divisibility Rule for 3 & 9

Four distinct...

Question

Four distinct numbers are selected from first 100 natural numbers. How many numbers are there which are divisible by both 3 and 5?

A

6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

7

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 2
Option(d)

A number divisible by both 3 as well as 5 has to be divisible by 15. In the first 100 natural numbers, there are 6 such numbers-> 15, 30, 45, 60, 75, 90

Favourable number of ways = $^{6} C_{4}$

Suggest Corrections

thumbs-up

1

Similar questions

Q. Four distinct numbers are selected from first 100 natural numbers such that each number is divisible by both 3 and 5. The number of selections possible is

Q. Six distinct numbers are selected from first

150

natural numbers. The probability all the six numbers are divisible both by

3

5

Three distinct numbers are selected from

100

natural number. Find the probability that all the three numbers are divisible by

2

3

.

Q. How many natural numbers are there between

23

100

which are exactly divisible by

24

?

Q. If three distinct natural numbers are chosen randomly from the first

100

natural numbers, then the probability that all three of them are divisible by both

2

3,

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Factorising Numerator

QUANTITATIVE APTITUDE

Watch in App

explore_more_icon

Explore more

Divisibility Rule for 3 & 9

Other Quantitative Aptitude

Join BYJU'S Learning Program

CrossIcon