Arithmetic

Divisibility, remainders, factors, multiples.·Show:20 30 50

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605-655 (Medium)

If 10 50 â 74 is written as an integer in base 10 notation, what is the sum of the digits in that integer?

Sub 505 (Easy)

Which of the following has a value less than 1?

Sub 505 (Easy)

If the product of the integers w, x, y and z is 770, and if 1 < w < x < y < z, what is the value of w + z?

505-555 (Easy)

What is the decimal equivalent of (1/5) 5 ?

Sub 505 (Easy)

The temperatures in degrees Celsius recorded at 6 in the morning in various parts of a certain country were 10, 5, -2, -1, -5, and 15. What is the median of these temperatures?

555-605 (Medium)

Which of the following is the product of two integers whose sum is 11?

505-555 (Easy)

3.003/2.002 =

Sub 505 (Easy)

A television manufacturer produces 600 units of a certain model each month at a cost to the manufacturer of

90 p er u ni t an d a l l o f t h e p r o d u ce d u ni t s a r eso l d e a c hm o n t h . W ha t i s t h e minim u m se l l in g p r i ce p er u ni tt ha tw i l l e n s u r e t ha tt h e m o n t h l y p r o f i t (r e v e n u e f r o m s a l es min u s t h e man u f a c t u r e r^{'} scos tt o p r o d u ce) o n t h es a l eso f t h ese u ni t s w i l l b e a tl e a s t

42,000?

505-555 (Easy)

A certain bakery has 6 employees. It pays annual salaries of

14, 000 t oe a c h o f 2 e m pl oy ees,

16,000 to 1 employee, and $17,000 to each of the remaining 3 employees. The average (arithmetic mean) annual salary of these employees is closest to which of the following?

Sub 505 (Easy)

90 â 8 (20 : 4) 1 2

Sub 505 (Easy)

All of the following have the same value EXCEPT?

Sub 505 (Easy)

1 1 + 1 2 + 1 3

Sub 505 (Easy)

1 + 1 1 + 1 1 + 1 3 =

Sub 505 (Easy)

If 60 percent of a rectangular floor is covered by a rectangular rug that is 9 feet by 12 feet, what is the area, in square feet, of the floor?

555-605 (Medium)

38 69 22 73 31 47 13 82 Which of the following numbers is greater than three fourths of the numbers but less than one fourth of the numbers in the list above?

555-605 (Medium)

What is the sum of the integers in the table above?

Sub 505 (Easy)

If Mario was 32 years old 8 years ago, how old was he x years ago?

Sub 505 (Easy)

What is the ratio of 3/4 to the product 4(3/4)?

605-655 (Medium)

The population of a bacteria culture doubles every 2 minutes. Approximately how many minutes will it take for the population to grow from 1,000 to 500,000 bacteria?

505-555 (Easy)

The temperature in degrees Celsius (C) can be converted to temperature in degrees Fahrenheit (F) by the formula F = 9 5 * C + 32 . What is the temperature at which F = C?

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