Quantitative Aptitude - Arithmetic Ability Questions

Q:

From the top of a platform 5 m high, the angle of elevation of a tower was 30 deg. If the tower was 45 m high, how far away from the tower was the platform positioned?

A) 15√3 m B) 40√3 m
C) 45√3 m D) 40 m
 
Answer & Explanation Answer: B) 40√3 m

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Height and Distance
Exam Prep: Bank Exams

1 812
Q:

The 7th and 12th term of an arithmetic progression are -15 and 5 respectively. What is the 16th term?

A) 25 B) 29
C) 21 D) 33
 
Answer & Explanation Answer: C) 21

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

1 811
Q:

If 3x2 - ax + 6 = ax2 + 2x + 2 has only one (repeated) solution, then the positive integral solution of a is

A) 4 B) 5
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 811
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

0 809
Q:

ΔABC is right angled at B. BD is an altitude. DC = 9 cm and AC = 25 cm. What is the value of BC (in cm)?

A) 12 B) 18
C) 16 D) 15
 
Answer & Explanation Answer: D) 15

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Numbers
Exam Prep: Bank Exams

1 809
Q:

At least two pairs of consecutive angles are congruent in a _____.

A) Parallelogram B) Isosceles trapezium
C) Rhombus D) Kite
 
Answer & Explanation Answer: B) Isosceles trapezium

Explanation:
Report Error

View Answer Report Error Discuss

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

0 809
Q:

Find the sum of first 8 odd prime numbers.

A) 77 B) 98
C) 75 D) 100
 
Answer & Explanation Answer: B) 98

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Numbers
Exam Prep: Bank Exams

0 809
Q:

In ΔABC, ∠B is right angle, D is the mid point of the side AC. If AB = 6 cm, BC = 8cm, then the length of BD is

A) 4 cm B) 5 cm
C) 8 cm D) 12 cm
 
Answer & Explanation Answer: B) 5 cm

Explanation:
Report Error

View Answer Report Error Discuss

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

0 808