Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 7x ­- 5y = 13 and 2x -­ y = 5, then (x -­ y) is

A) 3 B) 4
C) 5 D) 1
 
Answer & Explanation Answer: D) 1

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1455
Q:

If tan(A/2) = x, then the value of x is

A) √[(1 + cosA)/(1 -­ cosA)] B) (1 -­ cosA)/(1 + cosA)
C) (1 + cosA)/(1 -­ cosA) D) √[(1 -­ cosA)/(1 + cosA)]
 
Answer & Explanation Answer: D) √[(1 -­ cosA)/(1 + cosA)]

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1455
Q:

What is the value of [sin (90– 10θ) – cos (p – 6θ)]/ [cos (p/2 – 10θ) – sin (p – 6θ)]?

A) tan 2θ B) cot 2θ
C) cot θ D) cot 3θ
 
Answer & Explanation Answer: B) cot 2θ

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1454
Q:

What is the value of (cosec30 - 1/√3)?

A) (2√3-1)/√3 B) (√3-4)/2√3
C) -1/√3 D) 2/√3
 
Answer & Explanation Answer: A) (2√3-1)/√3

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1454
Q:

In a week, how many times are the hands of a clock at right angles with each other?

A) 308 B) 44
C) 24 D) 154
 
Answer & Explanation Answer: A) 308

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Clocks
Exam Prep: Bank Exams

0 1454
Q:

If the perimeter of a semicircle is 108 cm, then find its area (in cm²).

A) 1386 B) 512
C) 693 D) 1024
 
Answer & Explanation Answer: A) 1386

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

0 1454
Q:

The LCM of 56, 84 and 112 is

A) 210 B) 336
C) 420 D) 168
 
Answer & Explanation Answer: B) 336

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: HCF and LCM
Exam Prep: Bank Exams

2 1454
Q:

The reciprocal of the sum of the reciprocals of 3/8 and 8/11 is:

A) 97/24 B) 24/97
C) 88/97 D) 97/88
 
Answer & Explanation Answer: B) 24/97

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 1454