Question

There are 2 questions pls answer both asap

Answer 1

Answer:

d. 5

b. 10 x 10

Step-by-step explanation:

What will be the remainder when

( 200 + 1) + ( 300 + 1) + ( 400 + 1) + ( 500 + 1) + ( 600 + 1) is divided by 10 ?

a. 0

b. 2

c. 3

d. 5

Look at the pattern here.

1 = 1 x 1

1 + 3 = 2 x 2

1 + 3 + 5 = 3 x 3

1 + 3 + 5 + 7 = 4 x 4

Which of the following options equal to?

1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 =

a. 6 x 6

b. 10 x 10

c. 11 x 11

d. 17 x 17