Basic Arithmetic
53 questions available
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Q1.(2~3)~2=
Correct Answer: A
Per the answer key, applying the given operation yields 2(6).
Q2.Solve.201x199=
Correct Answer: C
201×199 = (200+1)(200-1) = 40000-1 = 39999.
Q3.solve the equation 2(3)x3(2)-5(2)
Correct Answer: B
2³ × 3² - 5² = 8 × 9 - 25 = 72 - 25 = 47.
Q4.1/3 x 3/2 ÷ 1/2?
Correct Answer: B
1/3 × 3/2 ÷ 1/2 = 1/3 × 3/2 × 2/1 = 1.
Q5.(100)*1.5=?
Correct Answer: B
100^1.5 = 100 × √100 = 100 × 10 = 1000.
Q6.16 - 9 = ?
Correct Answer: B
Q7.Evaluate: 4^(1/2) x 4^2 - 4^0.
Correct Answer: C
4^(1/2) = 2, 4^2 = 16, 4^0 = 1. So 2 x 16 - 1 = 32 - 1 = 31.
Q8.The expression 3(-4 x 5 - 6) would be equal to:
Correct Answer: B
-4 x 5 - 6 = -26; 3 x (-26) = -78.
Q9.Evaluate: 4^(1/2) x 4^2 - 4^3
Correct Answer: D
Correct answer is D: None of these
Q10.Evaluate: 4^(1/2) * 4^2 - 4^0.
Correct Answer: C
Correct Answer: 31.
Q11.The expression 3 * (-4 * 5 - 6) would be equal to:
Correct Answer: B
Correct Answer: -78.
Q12.Adil, Badar, Salma, Dawood and Mehak each have different amount of money. Salma has more money than only Mehak; Badar has more money than Dawood but less than Adil. Who among them has the highest amount of money?
Correct Answer: C
Correct Answer: Adil.
Q13.The thickness of one sheet of paper is 5 x 10^-2 mm. What is the thickness of a book having 400 sheets of paper?
Correct Answer: D
Correct Answer: None of these.
Q14.Writing 0.0000738 in standard form we get:
Correct Answer: B
Correct Answer: 7.38 x 10^-5.
Q15.A, B, C, D and E each have different amounts of money. C has more money than only E; B has more money than D but less than A. Who has the highest amount of money?
Correct Answer: A
Correct Answer: A.
Q16.Select the pair that has a different relationship when compared to the rest of the pairs:
Correct Answer: A
Correct Answer: Blue : Red.
Q17.What is the square root of -25?
Correct Answer: D
Correct Answer: None of these.
Q18.Let (-2x)^3; then find the correct answer:
Correct Answer: C
Correct Answer: -8x^3.
Q19.Let (x/2) - (x/4) = 2; then find the correct answer:
Correct Answer: C
Correct Answer: 8.
Q20.How many endpoints are in a line?
Correct Answer: A
Correct Answer: No endpoints.