1.The product of 8 508 × 79 is

A 646 608 C 663 624

B 655 116 D 672 132

2 114 − 54 ÷ 6 + 14 =

A 3 C 119

B 112 D 144

3 180 ÷ (12 + 18) × 3 =

A 15 C 36

B 18 D 270

4 Which of the following is not a number sequence?

A 137, 136, 134, 130, 127, ...

B 166, 159, 152, 145, 138, ...

C 4, 10, 16, 22, 28, ...

D 87, 90, 94, 99, 105, ...

5. Find the product of all even numbers between 77 and 81.

A 6 162 C 6 318

B 6 240 D 6 400

6. Find the sum of all even numbers between 35 and 39.

A 73 C 75

B 74 D 112