Quantitative Aptitude - Arithmetic Ability Questions

Q:

If the rate of inflation for the next 20 years is 2.5% per year, what annual income will be needed 20 years from now to have the same purchasing power as a $30,000 annual income today?

A) 39158 B) 49158
C) 59158 D) 69158
 
Answer & Explanation Answer: B) 49158

Explanation:

i=j/m

FV = PV(1+  i)^n

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Filed Under: Compound Interest
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2 4316
Q:

If 6A = 4B = 9C; What is A : B : C?

A) 6 : 4 : 9 B) 9 : 4 : 6
C) 4 : 9 : 6 D) 6 : 9 : 4
 
Answer & Explanation Answer: D) 6 : 9 : 4

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

3 4313
Q:

If an investment can earn 4% compounded monthly, what amount must you invest now in order to accumulate $10,000 after 3 years?

A) 8695.61 B) 6786
C) 3478 D) 4092
 
Answer & Explanation Answer: A) 8695.61

Explanation:

i=j/m

PV = FV (1+  i)^-n 

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Filed Under: Compound Interest
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Q:

A goods truck travels from a place at a certain time and at fixed speed. After 6hrs another truck leaves the same place and move in same direction of uniform speed of 90kmph. The truck catches up the goods truck in 4hrs. Find the speed of the goods truck ?

A) 36 kmph B) 32 kmph
C) 28 kmph D) 34 kmph
 
Answer & Explanation Answer: A) 36 kmph

Explanation:

Let the speed of goods truck be 'p' kmph
Distance covered by goods truck in 10hrs (4+6) = Distance covered by other truck in 4 hrs.
10p = 4 x 90
p = 36kmph.
Therefore, the speed of the goods truck is p = 36 kmph.

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Filed Under: Time and Distance
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6 4308
Q:

Find the simple interest charged on borrowing $325 for 5 years at 3% p.a. (per annum or per year) interest.

A) 59 B) 46
C) 48.75 D) 34.75
 
Answer & Explanation Answer: C) 48.75

Explanation:

I= PTR100

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Filed Under: Simple Interest
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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

 

A) 7 – 49 B)  9 – 81
C)  11 – 121 D)  15 – 215
 
Answer & Explanation Answer: D)  15 – 215

Explanation:
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Filed Under: Odd Man Out

5 4302
Q:

The percentage of metals in a mine of zinc ore is 60%. Now the percentage of silver is 3/4% of metals and the rest is zinc. If the mass of ore extracted from the mine is 8000 kg, the mass (in kg) of zinc is

A) 5147 kg B) 4764 kg
C) 3587 kg D) 2125 kg
 
Answer & Explanation Answer: B) 4764 kg

Explanation:

Mass of zinc ore = 8000 kg


Mass of metal = 60% of 8000 = 4800 kg


Mass of silver in metal = 3/4 x 4800/100 = 36 kg


Mass of zinc = 4800 - 36 = 4764 kg.

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Filed Under: Percentage
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6 4288
Q:

A card is drawn from a pack of 52 cards. The probability of getting a queen of the club or a king of the heart is?

A) 1/26 B) 1/13
C) 2/13 D) 1/52
 
Answer & Explanation Answer: A) 1/26

Explanation:

Here in this pack of cards, n(S) = 52

Let E = event of getting a queen of the club or a king of the heart

Then, n(E) = 2

P(E) = n(E)/n(S) = 2/52 = 1/26

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Filed Under: Probability
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11 4287