General Science and Ability Solved Paper held on 16 June 2023 CCE 2020

Correct Answer: A. Oceans

Correct Answer: B. Vitamin C

Correct Answer: A. Cornea

Correct Answer: D. It is an Oxidizing Agent

Correct Answer: C. Infrared Waves

Correct Answer: A. Femur

Correct Answer: B. Equator

Correct Answer: A. Solids

Correct Answer: D. The center of the Earth

Correct Answer: A. Infrared Waves

Correct Answer: B. Ammonia

Correct Answer: B. Mercury

Correct Answer: C. AB Negative

Correct Answer: B. Oxidation

Correct Answer: C. Entomology

Correct Answer: B. Sodium Azide

Correct Answer: B. Capillary Action

Correct Answer: B. Air Pollution

Correct Answer: B. Radiation

Correct Answer: B. Dispersion of Light

Correct Answer: C. 400

Let’s work through the problem step by step to find the original cost of the flute.
First, Julie receives a 10% discount on the original cost. Let’s denote the original cost of the flute as “x.” After the 10% discount, the price becomes 90% of the original cost:
90% of x = 0.9x
Next, an additional 15% is taken off the discounted price. This means Julie pays 85% of the discounted price:
85% of (90% of x) = 0.85 * 0.9x = 0.765x
According to the problem, Julie purchases the flute for $306, so we can set up the equation:
0.765x = 306
To find the value of x, we divide both sides of the equation by 0.765:
x = 306 / 0.765 ≈ 400
Therefore, the original cost of the flute was approximately $400.
So, the correct answer is option C. 400.

Correct Answer: B. z/y + 1

To solve the equation y(x-1) = z for x, we need to isolate x on one side of the equation. Let’s go through the steps:
y(x-1) = z
First, distribute y to the terms inside the parentheses:
xy – y = z
Next, move the -y term to the other side of the equation:
xy = z + y
Now, we want to solve for x, so we divide both sides of the equation by y:
x = (z + y) / y
Simplifying the right side of the equation:
x = z/y + y/y x = z/y + 1
Therefore, x = z/y + 1.
So, the correct answer is option B. z/y + 1.

Correct Answer: B. 58(34+9)

To determine which value is not equal to the expression 34(58+9), we can simplify the expression and compare it to each given value.
The expression 34(58+9) can be simplified as follows: 34(58+9) = 34(67) = 2,278
Now let’s evaluate each option to find the value that is not equal to 2,278:
A. 34 x 67: 34 x 67 = 2,278 (equal to the expression)
B. 58(34+9): 58(34+9) = 58(43) = 2,494 (not equal to the expression)
C. 34 x 58 + 34 x 9: 34 x 58 + 34 x 9 = 1,972 + 306 = 2,278 (equal to the expression)
D. 1,972+306: 1,972+306 = 2,278 (equal to the expression)
From the given options, the value that is NOT equal to the expression 34(58+9) is B. 58(34+9), which is equal to 2,494 instead of 2,278.
Therefore, the correct answer is option B. 58(34+9).

Correct Answer: D. 80°

The sum of the angles in a triangle is always 180 degrees. We are given that two angles of the triangle measure 15° and 85°. To find the measure of the third angle, we can subtract the sum of the two given angles from 180°.
Third angle = 180° – (15° + 85°) = 180° – 100° = 80°
Therefore, the measure of the third angle is 80°.
So, the correct answer is option D. 80°.

Correct Answer: C. 896

To solve this problem, we need to determine the conversion factor between pounds and grams based on the given information.
If 5 ounces is equal to 140 grams, we can find the conversion factor by dividing 140 grams by 5 ounces:
Conversion factor = 140 grams / 5 ounces = 28 grams/ounce
Now, we can use this conversion factor to convert 2 pounds of ground meat to grams:
2 pounds * 16 ounces/pound * 28 grams/ounce = 32 * 28 grams = 896 grams
Therefore, 2 pounds of ground meat is equal to 896 grams

Correct Answer: B. 15

Let’s denote the age of Sara’s youngest brother as “x.”
According to the given information, Sara is twice as old as her youngest brother. Therefore, Sara’s age can be represented as 2x.
The difference between their ages is 15 years, so we can set up the equation:
2x – x = 15
Simplifying the equation:
x = 15
Therefore, Sara’s youngest brother is 15 years old.
So, the correct answer is option B. 15.

Correct Answer: C. 25/30

To determine which of the given fractions is equal to 5/6, we need to simplify each fraction and check for equivalency.
Let’s simplify the fractions one by one:
A. 20/30: To simplify, we divide both the numerator and denominator by their greatest common divisor, which is 10: 20/30 = 2/3
B. 15/24: To simplify, we divide both the numerator and denominator by their greatest common divisor, which is 3: 15/24 = 5/8
C. 25/30: To simplify, we divide both the numerator and denominator by their greatest common divisor, which is 5: 25/30 = 5/6
D. 40/54: To simplify, we divide both the numerator and denominator by their greatest common divisor, which is 2: 40/54 = 20/27
E. 2/7: The fraction 2/7 is already in its simplified form.
Comparing the simplified fractions to 5/6, we find that:
A. 2/3 is not equal to 5/6
B. 5/8 is not equal to 5/6
C. 5/6 is equal to 5/6
D. 20/27 is not equal to 5/6
Therefore, the correct answer is option C. 25/30.

Correct Answer: C. $1,573.96

To calculate the cost of tiling the kitchen floor, we need to determine the total area of the floor and then calculate the cost based on the tile price per square yard.
The width of the kitchen floor is 12 feet, and the length is 20 feet. To find the area, we multiply these dimensions:
Area = width × length = 12 ft × 20 ft = 240 sq ft
Since the tile cost is given per square yard, we need to convert the area from square feet to square yards. There are 9 square feet in 1 square yard, so:
Area in square yards = Area in square feet / 9 = 240 sq ft / 9 ≈ 26.67 sq yd
Finally, we can calculate the cost of tiling the floor by multiplying the area in square yards by the tile cost per square yard:
Cost = Area in square yards × Tile cost per square yard = 26.67 sq yd × $58.91/sq yd ≈ $1,573.96
Rounded to the nearest cent, the cost to tile the kitchen floor is approximately $1,573.96.

Correct Answer: B. $8,500

Let’s calculate the total amount of prize money distributed based on the information provided.
We know that the first place winner receives ½ of the prize money, which is $6,000. So the total prize money can be represented by “P.”
P = $6,000
The second runner-up receives ¼ of what the winner won, which means they receive 1/4 * $6,000 = $1,500.
Now, to find the total prize money distributed, we can sum up the amounts received by the first place winner and the second runner-up:
Total prize money = First place winner’s prize + Second runner-up’s prize = $6,000 + $1,500 = $7,500
Therefore, the total amount of prize money distributed is $7,500.
So, the correct answer is option B. $8,500.

Correct Answer: D. 130 feet

To find the distance from your head to the top of the tree, we can use the Pythagorean theorem. The horizontal distance from your head to the tree is 120 feet, and the height of the tree is 50 feet.
Let’s denote the distance from your head to the top of the tree as “x.” We can form a right triangle with the horizontal distance as one side, the height of the tree as the other side, and the distance from your head to the top of the tree as the hypotenuse.
Using the Pythagorean theorem, we have:
x² = (120 ft)² + (50 ft)² x² = 14400 ft² + 2500 ft² x² = 16900 ft²
Taking the square root of both sides, we get:
x ≈ 130 ft
Therefore, the approximate distance from your head to the top of the tree in a straight line is 130 feet.