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1.
 a. 7800 b. 8900 c. 8800 d. 7900

#### Solution:

 Th H T O 6 8 0 0 + 1 1 0 0 7 9 0 0

2.
 a. 8900 b. 8800 c. 8700 d. 8600

#### Solution:

 Th H T O 7 2 0 0 + 1 6 0 0 8 8 0 0

3.
 a. 8800 b. 7900 c. 8900 d. 7800

#### Solution:

 Th H T O 3 5 0 0 + 4 4 0 0 7 9 0 0

4.
 a. 5900 b. 4800 c. 4900 d. 5800

#### Solution:

 Th H T O 3 6 0 0 + 1 3 0 0 4 9 0 0

5.
 a. 3800 b. 3700 c. 4700 d. 4800

#### Solution:

 Th H T O 1 7 0 0 + 2 1 0 0 3 8 0 0

6.

 5, 6 9 8 + 3, 2 4 8
 a. 8,576 b. 7,946 c. 8,946 d. 8,576

7.
A company has made $765,488,$676,167 and $782,427 profit in the three successive quarters of a year. Find the total profit made by the company in the three quarters.  a.$224,082 b. $3,224,082 c.$4,224,082 d. $2,224,082 #### Solution: The profits of the company in the first, second and third quarter are$765,488, $676,167 and$782,427.

The total profit = profit of the company in the first quarter + profit of the company in the second quarter + profit of company in the third quarter.

M Hth Tth Th H  T  O
2    1   1    1  2
7    6   5    4  8  8
6    7   6    1  6  7
7    8   2    4  2  7
.....................................
2    2    2   4    0  8  2
.....................................

The total profit of the company is $2,224,082. Correct answer : (4) 8. What is the sum of the numbers 557,716, 654,024 and 464,009?  a. 1,675,749 b. 1,670,749 c. 2,675,749 d. 1,675,649 #### Solution: The sum of the numbers 557,716, 654,024 and 464,009 = 557,716 + 654,024 + 464,009. Hth Tth Th H T O 1 1 1 5 5 7 7 1 6 6 5 4 0 2 4 4 6 4 0 0 9 ................................. 16 7 5 7 4 9 ................................. The sum of the numbers 557,716, 654,024 and 464,009 is 1,675,749. Correct answer : (1) 9. What is the sum of 2,405,080, 8,626,675 and 7,436,862?  a. 38,468,617 b. 18,468,612 c. 28,468,617 d. 18,468,617 #### Solution: The sum of the numbers 2,405,080, 8,626,675 and 7,436,862 = 2,405,080 + 8,626,675 + 7,436,862. TM M Hth Tth Th H T O 1 1 1 2 2 4 0 5 0 8 0 8 6 2 6 6 7 5 7 4 3 6 8 6 2 ...................................... 1 8 4 6 8 6 1 7 ...................................... The sum of the numbers 2,405,080, 8,626,675 and 7,436,862 is 18,468,617. Correct answer : (4) 10. A, B, and C started a business. Their capitals were$886,514, $886,839 and$883,513. Find the total investment.
 a. $2,656,866 b.$2,656,806 c. $2,656,836 d.$3,656,866

#### Solution:

The capitals of A, B, and C were $886,514,$886,839 and $883,513. The total investment = capital of A + capital of B + capital of C M Hth Tth Th H T O 2 1 1 1 8 8 6 5 1 4 8 8 6 8 3 9 8 8 3 5 1 3 ................................ 2 6 5 6 8 6 6 ................................ The total investment was$2,656,866.