6500+ Quantitative Aptitude Questions and Answers With Explanation

Q:

$3 x^{2} - 14 x + 16 = 0 5 y^{2} - 16 y + 12 = 0$

A) x > y	B) x < y
C) x=y or relation cannot be established between x and y	D) x ≥ y

Answer & Explanation Answer: C) x=y or relation cannot be established between x and y

Explanation:

3x2 – 14x + 16=0

3x2 –6x – 8x + 16=0

3x (x-2) – 8 (x-2)

(3x-8) (x-2)=0

x=8/3 or 2

5y2 – 16y + 12=0

5y2 – 10y – 6y + 12=0

5y (y-2) – 6 (y-2)=0

(5y-6) (y-2)=0

y=6/5 or 2

Can't be determined.

Report Error

View Answer Report Error Discuss

Filed Under: Simplification

1 2349

Q:

What is the average of first 7 multiples of 7?

A) 7	B) 14
C) 28	D) 21

Answer & Explanation Answer: C) 28

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Average
Exam Prep: Bank Exams

6 2348

Q:

From a pack of 52 cards, 3 cards are drawn together atrandom, What is the probability of both the cards are king?

A) 1/5225	B) 1/5525
C) 5525	D) 1/525

Answer & Explanation Answer: B) 1/5525

Explanation:

n(S) = 52C3 = 132600/6 = 22100

n(E) = 4C3 = 24/6 = 4

Report Error

View Answer Report Error Discuss

Filed Under: Permutations and Combinations

9 2347

Q:

The average of four consecutive odd numbers is 40. What is the largest number?

A) 42	B) 45
C) 43	D) 44

Answer & Explanation Answer: C) 43

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

3 2347

Q:

A train 500 m long, running at a uniform speed, passes a station in 35 sec. If the length of the platform is 221 m, the speed of the train in km/hr is

A) 721/35	B) 74.16
C) 24.76	D) 78.54

Answer & Explanation Answer: B) 74.16

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Problems on Trains
Exam Prep: Bank Exams

3 2344

Q:

Find the HCF of 865 and 2595.

A) 25	B) 2595
C) 865	D) 5

Answer & Explanation Answer: C) 865

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: HCF and LCM
Exam Prep: Bank Exams

12 2343

Q:

If a=101 then the value of $a (a^{2} - 3 a + 3)$ is

A) 1000000	B) 1010101
C) 1000001	D) 999999

Answer & Explanation Answer: C) 1000001

Explanation:

Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

3 2342

Q:

Chord AB of a circle when extended meets the tangent to the circle at point P. PT is the tangent touching the circle at point T. If lengths of PT and PB are 6 cm and 4 cm respectively, what is the length of PA?

A) 12 cm	B) 11 cm
C) 10 cm	D) 9 cm

Quantitative Aptitude - Arithmetic Ability Questions

Quick Links