CAT Questions

Q:

Sum of present ages of P and Q is 41. Age of P 2 year hence is equal to age of R, 1 year ago. Age of P, 4 year hence is equal to age of Q 1 year ago and ratio of present age of P and S is 3 : 4. Find the difference of age of R and S. 

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

Explanation:

According to the given data,

P + Q = 41 ......(1)

R - 1 = P + 2

R = P + 3

and

P + 4 = Q - 1

=> Q = P + 5 ....(2)

From (1)&(2)

P = 18

Q = 18 + 5 = 23

R = 18 + 3 = 21

=> P/S = 3/4

=> S = 4/3 x 18 = 24

Required Difference = S - R = 24 - 21 = 3.

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Filed Under: Problems on Ages
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10 7783
Q:

In what time will Rs. 3300 becomes Rs. 3399 at 6% per annum interest compounded half-yearly ?

A) Quarter months B) Half year
C) 2 years D) 1 year
 
Answer & Explanation Answer: B) Half year

Explanation:

3300 ----- 3% ↑ (1st time interval, 99) → 3399.

Here, time interval is given as half-yearly i.e. 6 months.

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Filed Under: Compound Interest
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2 7773
Q:

Porcupine : Rodent :: Mildew : ?

A) Insect B) Fungus
C) Pathogen D) Germ
 
Answer & Explanation Answer: B) Fungus

Explanation:

Porcupine is a rodent and mildew is a fungus.

Hence, Porcupine : Rodent :: Mildew : Fungus.

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Filed Under: Analogy
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14 7768
Q:

 Name a cold desert region of India  ?

A) Baramula B) Ladakh
C) Dun Valley D) Shillong Plateau
 
Answer & Explanation Answer: B) Ladakh

Explanation:
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Filed Under: Indian Geography
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38 7767
Q:

Find the length of a train if it takes 10 seconds to cross a pole and double of this time to cross a platform of length 200 mts ?

A) 180 mts B) 190 mts
C) 200 mts D) 210 mts
 
Answer & Explanation Answer: C) 200 mts

Explanation:

Let the length of the train be 'L' mts

let the speed of the train be 'S' m/s

Given it crosses a pole in 10 sec=> L/S = 10 ......(1)
Given it takes 20 sec (double of pole) to cross a platform of length 200 mts

=> (L + 200)/S = 20

=> L/S + 200/S = 20

But from (1) L/S = 10

=> 200/S = 20 - 10

=> S = 20 m/s

Then, from (1)

=> L = 10 x 20 = 200 mts.

Hence, the length of the train = 200 mts.

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Filed Under: Problems on Trains
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12 7764
Q:

Countries that have same name as their capital cities?

Answer

Countries have the same name as their capital cities are ::


Andorra,


Djibouti,


Guatemala,


Kuwait,


Luxembourg,


Mexico,


Monaco,


Panama,


San Marino,


Singapore,


and


Vatican City.

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Subject: Country Capitals Exam Prep: AIEEE , Bank Exams , CAT
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23 7759
Q:

What kind of tree can you carry in your hand?

Answer

Palm tree.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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15 7758
Q:

Find the perimeter of the rectangle or square with the given dimensions l = 5 feet, w = 2 feet?

A) 11ft B) 13ft
C) 14ft D) 15ft
 
Answer & Explanation Answer: C) 14ft

Explanation:

We know that,

Perimeter of rectangle = 2(L+W) = 2(5 + 2) = 2 (7) = 14 fts.

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Filed Under: Area
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1 7753