The algebraic expression of the word expressing “subtract eight times of the number is from ten times of the number c is:
A. 10c – 8
B. 8c – 10
C. 10c + 8
D. 8 – 10c
Correct Answer: A (10c – 8)
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At present, the age of Aliya is x–10 years. What will be her age after 13 years where the value of x is 25 years?
A. 15 years
B. 20 years
C. 25 years
D. 28 years
Correct Answer: D (28 years)
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At present, the age of Asma is x–10 years. What will be her age after 15 years?
A. x + 5 years
B. x + 15 years
C. x + 10 years
D. x – 25 years
Correct Answer: A (x + 5 years)
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What type of number is zero?
A. Even
B. Whole
C. Rational
D. All of these
Correct Answer: D (All of these)
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What is the primary function of white blood cells?
A. Transport oxygen
B. Clot blood
C. Fight infection
D. All of the above
Correct Answer: C (Fight infection)
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Asad has a 150W solar panel with a voltage of 22.4V and a current of 8.6A. He wants to charge his 130AH battery using this solar panel. How many hours will it approximately take to fully charge his battery?
A. 10.12 hours
B. 15.36 hours
C. 19.41 hours
D. 26.57 hours
Correct Answer: C (19.41 hours)
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Why is short-term memory considered immaculate?
A. It helps us forget unnecessary information.
B. It allows us to dwell on desirable past events.
C. It enables deep analysis of past events.
D. It prevents depression and negative attitudes.
Correct Answer: A (It helps us forget unnecessary information.)
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