Question

CLASS
PHASE-I_END_EXAMINATION
DATE: 07-12-2020
19 A book seller has 420 science stream books and 130 art stream books. He
wants to stack them in such a way that each stack has same number and
they take up least area of the surface.
BOOK SHOP
SCIENCE STREAS
BOOKS 430)
ARTS STREAM
BOOMSO)
TACKS
()
If a number has no factors other than 1 and number itself then it is
(a) Composite number
(b) prime number
(c) Do not say anything
(d) none of the above
What is the maximum number of books that can be placed in each stack for this
purpose?)
(11)
(a) 10
(b) 14
(c) 12
(d) 15
(1)
Which mathematical concept is used to solve this problem?
(a) Prime factorisation
(b) Area of triangle
(c) Arithmetic progression
(d) none of these
(IV)
If the book seller double the quantity, then the maximum number of books that
can be placed in the each stack is
(a) Remain same
(b) double
(c) triple
(d) None
(
Find the LCM of given stream of books,
(a) 5450
(b) 5460
(c) 2730
(d) none​

Answer 1

Answer:

(a) prime number

(a)10

(c)arithmetic progression

(a)remain same

(b)5460

Answer 2

Step-by-step explanation:

if a number has no factor other than 1 and number itself is