navy astb math / mech exam
questions and answers
1 ft - ANSWER-12 in
1 gallon - ANSWER-4 quarts
1 cup - ANSWER-8 oz
1 yard - ANSWER-3 ft
1 lb - ANSWER-16 oz
1 gallon - ANSWER-8 pints
Powers of 2 - ANSWER-1, 4, 9, 16, 25, 36, 49, 61 (8), 84 (9), 100 (10), 121 (11), 141
(12), 169 (13)
sqrt 9 - ANSWER-3
sqrt 16 - ANSWER-4
sqrt 25 - ANSWER-5
sqrt 36 - ANSWER-6
sqrt 49 - ANSWER-7
sqrt 61 - ANSWER-8
sqrt 84 - ANSWER-9
sqrt 100 - ANSWER-10
sqrt 121 - ANSWER-11
sqrt 141 - ANSWER-12
sqrt 169 - ANSWER-13
, Powers of 3 - ANSWER-1, 8, 27 (3), 64 (4), 125 (5), 216 (6), 343 (7), 512 (8), 729 (9),
1000 (10)
Powers of 4 - ANSWER-1, 16 (2), 81 (3), 256 (4), 625 (5)
Total # of degrees - ANSWER-(# of sides - 2) x 180
A naval detachment has enough rations to feed sixteen people for 10 days. If four more
people join the detachment, how many fewer days will the rations last? - ANSWER-
Amount x Time = Amount x Time
16 x 10 = 20 x X
Successive discounts of 20 percent and 15 percent are equivalent to a single
discount of? - ANSWER-100 x 20% = 20.
• 100 - 20 = 80.
• 80 x 15% = 12. 80 - 12 = 68.
•100 - 68 = 32.
A number x was increased by 4% the result being 17.16. What is x? - ANSWER-The
number was increased by 4%, so 17.16 is 104% of the number. We want to find
what 100% of the number is, so we can use a proportion. • 17.16/104 = x/100.
Find the square root of 729 - ANSWER-Choose any number, say 20, and divide 729 by
20 ignoring any remainders.
" 729/20 = 36
" Find the average of 20 and 36. 20 + = 28.
" Repeat the process until the estimate is the same as the quotient (until the
remainder is 0).
" = 27.
A patient's hospice stay cost one fourth as much as his visit to the emergency room. His
home nursing cost twice as much as his hospice stay. If his total healthcare bill was
$140,000, how much did his home nursing cost? - ANSWER-E = E, H = 1⁄4E ,
N(nursing home) = 2H, or N = 2(1/4E) or N = 1⁄2E.
A student spends 3⁄4 of his money on tuition and 1/3 of what remains on books. If he
has
$50 dollars left, how much money did he start with? - ANSWER-First, find what amount
of money remains after he spends his money on tuition, (1 -
3⁄4 = 1⁄4)
" To find the amount spent on books, multiply 1/3 x 1⁄4 = 1/12.
" Add 1/12 + 3⁄4 = 10/12 or 5/6 spent together.
" To find WHAT REMAINS (he has $50 left), subtract 5/6 from 1. 1 - 5/6 = 1/6. " 1/6X =
50 X = 300
X^2 * x^3 - ANSWER-X^5
questions and answers
1 ft - ANSWER-12 in
1 gallon - ANSWER-4 quarts
1 cup - ANSWER-8 oz
1 yard - ANSWER-3 ft
1 lb - ANSWER-16 oz
1 gallon - ANSWER-8 pints
Powers of 2 - ANSWER-1, 4, 9, 16, 25, 36, 49, 61 (8), 84 (9), 100 (10), 121 (11), 141
(12), 169 (13)
sqrt 9 - ANSWER-3
sqrt 16 - ANSWER-4
sqrt 25 - ANSWER-5
sqrt 36 - ANSWER-6
sqrt 49 - ANSWER-7
sqrt 61 - ANSWER-8
sqrt 84 - ANSWER-9
sqrt 100 - ANSWER-10
sqrt 121 - ANSWER-11
sqrt 141 - ANSWER-12
sqrt 169 - ANSWER-13
, Powers of 3 - ANSWER-1, 8, 27 (3), 64 (4), 125 (5), 216 (6), 343 (7), 512 (8), 729 (9),
1000 (10)
Powers of 4 - ANSWER-1, 16 (2), 81 (3), 256 (4), 625 (5)
Total # of degrees - ANSWER-(# of sides - 2) x 180
A naval detachment has enough rations to feed sixteen people for 10 days. If four more
people join the detachment, how many fewer days will the rations last? - ANSWER-
Amount x Time = Amount x Time
16 x 10 = 20 x X
Successive discounts of 20 percent and 15 percent are equivalent to a single
discount of? - ANSWER-100 x 20% = 20.
• 100 - 20 = 80.
• 80 x 15% = 12. 80 - 12 = 68.
•100 - 68 = 32.
A number x was increased by 4% the result being 17.16. What is x? - ANSWER-The
number was increased by 4%, so 17.16 is 104% of the number. We want to find
what 100% of the number is, so we can use a proportion. • 17.16/104 = x/100.
Find the square root of 729 - ANSWER-Choose any number, say 20, and divide 729 by
20 ignoring any remainders.
" 729/20 = 36
" Find the average of 20 and 36. 20 + = 28.
" Repeat the process until the estimate is the same as the quotient (until the
remainder is 0).
" = 27.
A patient's hospice stay cost one fourth as much as his visit to the emergency room. His
home nursing cost twice as much as his hospice stay. If his total healthcare bill was
$140,000, how much did his home nursing cost? - ANSWER-E = E, H = 1⁄4E ,
N(nursing home) = 2H, or N = 2(1/4E) or N = 1⁄2E.
A student spends 3⁄4 of his money on tuition and 1/3 of what remains on books. If he
has
$50 dollars left, how much money did he start with? - ANSWER-First, find what amount
of money remains after he spends his money on tuition, (1 -
3⁄4 = 1⁄4)
" To find the amount spent on books, multiply 1/3 x 1⁄4 = 1/12.
" Add 1/12 + 3⁄4 = 10/12 or 5/6 spent together.
" To find WHAT REMAINS (he has $50 left), subtract 5/6 from 1. 1 - 5/6 = 1/6. " 1/6X =
50 X = 300
X^2 * x^3 - ANSWER-X^5
