Quantitative Aptitude - Arithmetic Ability Questions

Q:

The value of sec2θ + 2tanθcotθ - tan2θ is

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 793
Q:

If Tan A = 15/8 and Tan B = 7/24, then Tan (A - B) = ?

A) 304/297 B) 304/425
C) 416/87 D) 87/416
 
Answer & Explanation Answer: A) 304/297

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

2 793
Q:

If n + n2 + n4 + n8 = 45, then find the value of 'n' which will satisfy the equation.

 

 

A) 16 B) 24
C) 36 D) 48
 
Answer & Explanation Answer: B) 24

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 792
Q:

If the radius (r) of a circle is increased by 'x' units, what is the number of units by which the circumstance of the circle is increased?

 

 

A) π B) 2π
C) 2πr D) 2πx
 
Answer & Explanation Answer: D) 2πx

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

0 792
Q:

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

A) (√6-1)/√3 B) -1/2
C) -5/3 D) 3/2
 
Answer & Explanation Answer: C) -5/3

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 792
Q:

A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?

A) 4 B) 6
C) 10 D) 14
 
Answer & Explanation Answer: C) 10

Explanation:
Report Error

View Answer Report Error Discuss

0 792
Q:

If a2+1=a, then the value of a3 is

A) 0 B) 1
C) -1 D) 2
 
Answer & Explanation Answer: C) -1

Explanation:
Report Error

View Answer Report Error Discuss

0 791
Q:

If the edge of a cube is increased by 2 cm, the volume will increase by 488 cub.cm. What then will be the length of each edge of the cube?

A) 6 cm B) 8 cm
C) 9 cm D) 7 cm
 
Answer & Explanation Answer: B) 8 cm

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 791