Question

In a school there are twelve classes. If each class has 28 boys and 22 girls
find the number of students enrolled in the school.
25 roses, 18 gladioli, 17 sunflowers and 39 marigolds are used to prepare a
rangoli. Find the number of flowers required to prepare 28 such rangolis
13) A dealer buys 50 tables and 50 chairs. If a table costs 1129 and a chair
costs 874, find the total money spent by him.
A car consumed 40 litres of petrol in going from town A to town B and another
50 litres of petrol in going from town B to town C. If the petrol cost 75 per
litre, find the total amount spent on petrol.
13) A playground is 224 m long and 126 m wide. How much distance will Vijay cover
5 times around it?
ROPERTIES OF DIVISION
closure property
he quotient of two whole numbers when one is divided by the other is not always a whole
lence, whole numbers are not closed under division. If a and 6 (
60) are whole num
en a + b is not always a whole number.
or example: 1. 16 + 8 = 2, a whole number 2. 12 - S, is not a whole number
ommutative Property​

Answer 1

Answer:

a. 28x12

336

22x12

264

336+264

=600 students

b. 25x28=700

18x28=504

17x28=476

39x28=1092

700+504+476+1092=2772