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Q:

If x + (1/x) = 2, then what is the value of $x^{64} + x^{121}$ ?

A) 0	B) 1
C) 2	D) -2

Answer & Explanation Answer: A) 0

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

Q:

You are given a question and two statements. Identify which of the statements is/are necessary,Sufficient to answer the question.
M, A, N and K are standing in a row. Based on the following information, if we aimnge shortest to tallest, who is standing last?
Statements:
1. A is shorter than K
2. M is shorter than A

A) Statements 1 and 2 together are not sufficient	B) Statement 1 and 2 together are sufficient to solve
C) Statements 1 alone is sufficient	D) Statement 2 alone is sufficient

Answer & Explanation Answer: A) Statements 1 and 2 together are not sufficient

Explanation:

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Filed Under: Statement and Conclusions
Exam Prep: AIEEE , Bank Exams , CAT

Q:

Read the statement below followed by two arguments.
Statement:
Should there be strict laws for maintaining ponds and lakes?
Arguments:
I. Yes, it will naturally maintain the water level for generations to come. It affects the migration of birds too.
II. No, it comes in the way of modern urban development and growth. Which argument(s) of the below is/are strong in the context of the statement?

A) Only argument I is strong	B) Neither argument I nor II is strong
C) Only argument II is strong	D) Both arguments I and II are strong

Answer & Explanation Answer: A) Only argument I is strong

Explanation:

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Filed Under: Statement and Arguments
Exam Prep: AIEEE , Bank Exams , CAT

Q:

The simplified form of ${(4 x + 3)}^{2} . (3 x - 5) - (4 x^{3} - 12 x^{2} + 9 x - 20)$ is

A) 6x2- 48x - 50	B) 24x3 + 2x2 - 32x - 15
C) 44x3 + 4x2 - 102x - 25	D) 24x3 + 8x2 - 42x - 50

Answer & Explanation Answer: C) 44x3 + 4x2 - 102x - 25

Explanation:

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Filed Under: Square Roots and Cube Roots
Exam Prep: AIEEE , Bank Exams , CAT

Q:

What value should come in place of question mark (?) in the following question?

$44^{2} + 23^{2} = {(?)}^{2} + 4^{4}$

A) 47	B) 65
C) 52	D) 41

Answer & Explanation Answer: A) 47

Explanation:

$1936 + 529 = ?^{2} + 256 2465 = ?^{2} + 256 ?^{2} = 2465 - 256 ?^{2} = 2209 ? = 47$

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GATE , Bank Exams

Q:

If x + y = 12 and xy = 32, then what is the value of $x^{2} + y^{2}$ ?

A) 24	B) 144
C) 128	D) 80

Answer & Explanation Answer: D) 80

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

What value should come in place of the question mark (?) in the following question?

$\frac{5^{2} x 14 + 1450}{18} = 1998 \div ?$

A) 18.25	B) 19.98
C) 34.58	D) 65.25

Answer & Explanation Answer: B) 19.98

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: GATE , Bank Exams

Q:

What value should come in place of the question mark (?) in the following question?

$1637 + 1832 = 45^{2} + {(?)}^{2}$

A) 38	B) 42
C) 46	D) 54

Answer & Explanation Answer: A) 38

Explanation:

3469 = 2025+?x?
? x ?= 3469-2025
? x ?= 1444
? = 38

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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