Quantitative Aptitude - Arithmetic Ability Questions

Q:

The 5th and 9th term of an arithmetic progression are 7 and 13 respectively. What is the 15th term?

A) 22 B) 21
C) 55 D) 59
 
Answer & Explanation Answer: A) 22

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Q:

Dalajit lent Rs 10800 to Jaabir for 3 years and Rs 7500 to Kabir for 2 years on simple interest at the same rate of interest and received Rs 1422 in all from both of them as interest. The rate of interest per annum is

A) 3.5 percent B) 4 percent
C) 3 percent D) 4.5 percent
 
Answer & Explanation Answer: C) 3 percent

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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Q:

Two equal circles intersect such that each passes through the centre of the other. If the length of the common chord of the circles is 10√3 cm, then what is the diameter of the circle?

A) 10 cm B) 15 cm
C) 20 cm D) 30 cm
 
Answer & Explanation Answer: C) 20 cm

Explanation:

Let there be 2 circles with centre O1 and OAB is the common chord

Since both passes through the center of each other as shown in figure

So O1O is the radius of both

Let O1O = r = AO1= AO

AX = AB / 2 = 5√3 cm (since OX perpendicular to chord bisects it)

AOO1 forms an equilateral triangle with on side = radius = r

Sin 60 = √3/2 = AX / AO = 5√3/r

So r = 10 cm

So diameter = 20 cm

 

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

The discount offered on a Shirt of Rs 500 and a pair of Trousers of Rs 1000 is 20% and 40% respectively. If Ajay bought 2 Shirt and 3 pair of Trousers then what was the effective discount ( in %) he recieved?

A) 30 B) 32
C) 25 D) 35
 
Answer & Explanation Answer: D) 35

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Find the odd word/letters/number from the given alternatives

A) Wolf B) Cat
C) Dog D) Fox
 
Answer & Explanation Answer: B) Cat

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 4313 B) 5434
C) 8723 D) 3674
 
Answer & Explanation Answer: A) 4313

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

The bus fare between two cities is increased in the ratio 29:31. What is the increase in the fare, if the original fare is Rs 725

A) Rs 50 B) Rs 775
C) Rs 155 D) Rs 310
 
Answer & Explanation Answer: A) Rs 50

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

When 0.151515.....is converted into a fraction, then the result is

A) 5/33 B) 17/33
C) 9/11 D) 7/33
 
Answer & Explanation Answer: A) 5/33

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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