6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

If $x^{3} + 2 x^{2} - 5 x + k$ is divisible by x + 1, then what is the value of k?

A) -6	B) -1
C) 0	D) 6

Answer & Explanation Answer: A) -6

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

In the given figure, PQR is a triangle and quadrilateral ABCD is inscribed in it. QD = 2 cm, QC = 5 cm, CR = 3 cm, BR = 4 cm, PB = 6 cm, PA = 5 cm and AD = 3 cm. What is the area in sq.cm of the quadrilateral ABCD?

A) (23√21)/4	B) (15√21)/4
C) (17√21)/5	D) (23√21)/5

Answer & Explanation Answer: C) (17√21)/5

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

If 3/4 of the weight of a brick is 7/8 kg, then 5/7 of the weight of the brick will be

A) 20/21 kg	B) 5/6 kg
C) 5/8 kg	D) 15/32 kg

Answer & Explanation Answer: B) 5/6 kg

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Filed Under: Percentage
Exam Prep: Bank Exams

3 2161

Q:

If Sin x = 4/5, then Cosec x + Cot x =

A) 31/12	B) 35/12
C) 2	D) 1/2

Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the simplified value of ${[\frac{Sec A}{Cot A + Tan A}]}^{2}$ ?

A) 1 – cos2A	B) 2sin2A
C) sec2A	D) 0

Answer & Explanation Answer: A) 1 – cos2A

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Filed Under: Simplification
Exam Prep: CAT , Bank Exams , AIEEE

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Q:

In the following question, select the odd letters from the given alternatives.

A) FHJ	B) LNQ
C) JLN	D) NPR

Answer & Explanation Answer: B) LNQ

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If the present ages of a father and his son are 48 years and 28.8 years old respectively, then the father can say to his son, "I was ......... of your present age when you were born".

A) half	B) two-third
C) one-fifth	D) one-third

Answer & Explanation Answer: B) two-third

Explanation:

The present age of Father (f) = 48 and present age of son (s) = 28.8
The age of father at his sons birth is 48 - 28.8 = 19.2
Therefore the age of father was 2/3rd of his son's age at the time of his sons birth

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Filed Under: Problems on Ages
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

The average age of a class of 6 girls is x years. Four new girls having ages x – 2, x + 2, x + 4 and x + 6 joins the class. What is the new average age (in years) of the class?

A) x + 1	B) x + 2
C) 2.5x	D) x + 2.5

Quantitative Aptitude - Arithmetic Ability Questions

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