Aptitude and Reasoning Questions

Q:

In the figure, B and C are the centres of the two circles. ADE is the common tangent to the two circles. If the ratio of the radius of both the circles is 3:5 and AC= 40, then what is the value of DE?

A) 3√15 B) 5√15
C) 6√15 D) 4√15
 
Answer & Explanation Answer: D) 4√15

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Filed Under: Area
Exam Prep: Bank Exams , CAT

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Q:

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

A) 972Π B) 11664Π
C) 36Π D) 288Π
 
Answer & Explanation Answer: A) 972Π

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Filed Under: Area
Exam Prep: Bank Exams

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Q:

A student multiplied a number by 3/10 instead of 10/3. What is the percentage error in the calculation?

A) 1011.11 percent B) 45.5 percent
C) 91 percent D) 505.56 percent
 
Answer & Explanation Answer: C) 91 percent

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Ravi invested Rs.P in a scheme A offering simple interest at 10% p.a. for two years. He invested the whole amount he received from scheme A, in another scheme (B) offering simple interest at 12% p.a. for five years. If the difference between the interests earned from schemes A and B was Rs. 13,00/, what is the value of P ?

A) 2500 B) 2000
C) 3000 D) 3500
 
Answer & Explanation Answer: A) 2500

Explanation:

It is given that the initial amount invested in scheme A is Rs P at 10%per Annum S.I. =PTR/100 = P x 10 x 2/100 Now the total amount after 2 years is = 1.2P New Rate of interest = 12% per annum Time = 5 years S.I for next 5 years when new principal amount is 1.2 P = 1.2Px12x5/100 = 0.72P Total amount after 5 years at 12% per annun = 1.72P Given that 1.72P - 1.2P = 1300 P = 1300/0.52 P = Rs. 2500

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Filed Under: Simple Interest

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Q:

If xy = -30 and x2 + y2 = 61, then find the value of (x + y).

A) 2 B) 3
C) 1 D) 4
 
Answer & Explanation Answer: C) 1

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

Identify the diagram that best represents the relationship among the given classes.
Football, Volleyball, Outdoor Games, Carrom.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

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Q:

If PROJECT is coded as KILQVXG, then how will EGO be coded as?

A) VPU B) MJN
C) VTL D) SGD
 
Answer & Explanation Answer: C) VTL

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

A) 8 B) 6
C) 10 D) 9
 
Answer & Explanation Answer: D) 9

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Filed Under: Time and Work
Exam Prep: Bank Exams

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