Aptitude and Reasoning Questions

Q:

If x = a + 1a, y = a - 1a ,(a>0), then the value of x4+y4-2x2y2 is

A) 16 B) 20
C) 10 D) 5
 
Answer & Explanation Answer: A) 16

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Filed Under: Simplification
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Q:

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. PR, VX, BD, ?

A) EF B) HI
C) HJ D) HK
 
Answer & Explanation Answer: C) HJ

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Filed Under: Alphabet Test
Exam Prep: CAT , Bank Exams , AIEEE

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Q:

A train crosses a 550 m long platform in 36 seconds. How long was the train if it was travelling at the speed of 70 kmph?

A) 160 m B) 140 m
C) 150 m D) 525 m
 
Answer & Explanation Answer: C) 150 m

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Q:

Which of the following value of 'x' satisfies the equation 814x+4 = 2432x+8?

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

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Exam Prep: Bank Exams , CAT

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Q:

The average height of 50 bats is 126 cm. Some bats of average height 120 cm are removed. If the new average height is 130 cm, then how many bats are remaining?

 

A) 12 B) 20
C) 16   D) 30
 
Answer & Explanation Answer: D) 30

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Q:

If a mirror is placed on the line MN, then which is the right image of the given figure?

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

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Filed Under: Image Analysis
Exam Prep: Bank Exams

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Q:

α and β are the roots of quadratic equation. If α + β = 8 and α – β = 2√5, then which of the following equation will have roots α4 and β4?

A) x2 – 1522x + 14641 = 0 B) x2 + 1921x + 14641 = 0
C) x2– 1764x + 14641 = 0 D) x2+ 2520x + 14641 = 0
 
Answer & Explanation Answer: A) x2 – 1522x + 14641 = 0

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Q:

After excluding stoppages, the speed of a bus is 60 kmph and after including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

A) 10 B) 9
C) 12 D) 15
 
Answer & Explanation Answer: D) 15

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Filed Under: Percentage
Exam Prep: Bank Exams

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