Quantitative Aptitude - Arithmetic Ability Questions

Q:

A man starts walking at 6.30 a.m. and wants to cover a distance of 30km. His initial speed is 6 kmph and after covering three-fifth distance, he reduces his speed by 2 kmph. At what time will he complete his walk?

A) 11.00 am B) 12.30 pm
C) 11.30 pm D) 12.00 pm
 
Answer & Explanation Answer: B) 12.30 pm

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

The total surface area of a hemisphere is 166.32 sq cm, find its radius?

A) 4.2 cm B) 8.4 cm
C) 1.4 cm D) 2.1 cm
 
Answer & Explanation Answer: A) 4.2 cm

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

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Q:

D, E, F are the mid - points of the sides BC , CA and AB respectively of a ΔABC . Then the ratio of the areas of ΔDEF and ΔABC is

A) 1/2 B) 1/4
C) 1/8 D) 1/16
 
Answer & Explanation Answer: B) 1/4

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

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Q:

If x – y – √18 = –1 and x + y – 3√2 = 1, then what is the value of 12xy(x2  y2)?

A) 0 B) 1
C) 512√2 D) 612√2
 
Answer & Explanation Answer: D) 612√2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If -3/2 + (2/3)(3x + 9) = x/2, then what is the value of x?

A) -9 B) 11
C) 9 D) -3
 
Answer & Explanation Answer: D) -3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If (6x ­- 5) = (4x + 7), then the numerical value of (x + 1)3  is

A) 216 B) 125
C) 64 D) 343
 
Answer & Explanation Answer: D) 343

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The point Q(a,b) is first reflected in y­-axis to Q1 and Q1 is reflected in x­axis to (­-5,3). The co­ordinates of point Q are

A) (­-5,­3) B) (5,-3)
C) (­-5,-3) D) (5,­3)
 
Answer & Explanation Answer: B) (5,-3)

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?

A) x - y = -3 B) x + y = 3
C) x - y = 3 D) x + y = -3
 
Answer & Explanation Answer: C) x - y = 3

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Filed Under: Area
Exam Prep: Bank Exams

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