Aptitude and Reasoning Questions

Q:

What is the value of Sin 30° + 2 Cos 30° ?

A) (2√2 + 3)/√6 B) (9 + 2√3)/9
C) (1 + 2√3)/2 D) (2√6 + 1)/√3
 
Answer & Explanation Answer: C) (1 + 2√3)/2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1887
Q:

If (x – y) = 7, then what is the value of (x  15)3  (y  8)3?

A) 0 B) 343
C) 392 D) 399
 
Answer & Explanation Answer: A) 0

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1887
Q:

By selling 175 pineapples, the gain is equal to the selling price of 50 pineapples. What is the gain percentage?

A) 28 B) 30
C) 32 D) 40
 
Answer & Explanation Answer: D) 40

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

0 1887
Q:

What is the measure of the central angle of the sector whose area is 462 sq cm and radius of the circle is 21 cm?

A) 90° B) 60°
C) 30° D) 120°
 
Answer & Explanation Answer: D) 120°

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Area
Exam Prep: Bank Exams

0 1886
Q:

If a and b are the roots of the equation Px2  Qx + R = 0, then what is the value of (1/a2) + (1/b2) + (a/b) + (b/a)?

A) Q2-2P2R+PPR2 B) Q2-2PRR+PPR2
C) Q2-2R2P+RP2R2 D) Q2-2PR2R+2PP2R2
 
Answer & Explanation Answer: B) Q2-2PRR+PPR2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Simplification
Exam Prep: Bank Exams

0 1886
Q:

The average age of a class of 39 students is 15 years. If the age of the teacher is included, then the average increases by 3 months. Find the age of the teacher.

A) 30 B) 25
C) 35 D) 40
 
Answer & Explanation Answer: B) 25

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Problems on Ages
Exam Prep: Bank Exams

2 1886
Q:

If the successive discounts be 20% , 10% and 5% , then the single equivalent rate of discount is

A) 31.6% B) 31.5%
C) 31% D) 31.4%
 
Answer & Explanation Answer: A) 31.6%

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Percentage
Exam Prep: Bank Exams

0 1886
Q:

Sum of twice a fraction and 3 times its reciprocal is 29/3. What is the fraction?

A) 2/9 B) 5/4
C) 4/5 D) 9/2
 
Answer & Explanation Answer: D) 9/2

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Decimal Fractions
Exam Prep: Bank Exams

4 1886