Quantitative Aptitude - Arithmetic Ability Questions

Q:

10 Consecutive numbers are given. If the average of the two numbers given in the middle is 13.5, then what is the sum of the first 6 numbers?

A) 65 B)  59
C) 69 D) 80
 
Answer & Explanation Answer: C) 69

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

20 kg of a mixture of wheat and husk contains 5% husk. How many kg more of husk must be added to make the husk content 20% in the new mixture?

A) 2.75 B) 3.75
C) 4.75 D) 5.75
 
Answer & Explanation Answer: B) 3.75

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

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Q:

Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 16000 for 2 years at 10% per annum. The sum placed on simple interest is:

A) Rs 14000 B) Rs 3500
C) Rs 7000 D) Rs 5600
 
Answer & Explanation Answer: C) Rs 7000

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT

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Q:

If medians of a triangle have lengths 18 cm, 24 cm and 30 cm, then what is the area (in sq.cm) of the triangle?

A) 24√6 B) 244
C) 288 D) 360
 
Answer & Explanation Answer: C) 288

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Q:

A man covers a total distance of 100 km on bicycle. For the first 2 hours, the speed was 20 km/hr and for the rest of the journey, it came down to 10 km/hr. The average speed will be

A) 12.5 km/hr B) 13 km/hr
C) 15.5 km/hr D) 20 km/hr
 
Answer & Explanation Answer: A) 12.5 km/hr

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Filed Under: Time and Distance
Exam Prep: Bank Exams

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Q:

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

A) 41 B) 39
C) 42 D) 45
 
Answer & Explanation Answer: C) 42

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Filed Under: Average
Exam Prep: Bank Exams

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Q:

A cuboid of size 50 cm × 40 cm × 30 cm is cut into 8 identical parts by 3 cuts. What is the total surface area (in cm2) of all the 8 parts?

A) 11750 B) 14100
C) 18800 D) 23500
 
Answer & Explanation Answer: C) 18800

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

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Q:

Coefficient of x2 in (x + 9)(6 -­ 4x) is

A) 54 B) -4
C) ­30 D) 4
 
Answer & Explanation Answer: B) -4

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Filed Under: Simplification
Exam Prep: Bank Exams

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