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 Quantitative Aptitude - Arithmetic Ability Questions

Q:

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

A) 8912 B) 3469
C) 5555 D) 6734
 
Answer & Explanation Answer: B) 3469

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

If a2b+c=b2c+a=c2a+b=1 then the value of 21+a+21+b+21+c

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If a + b = 5 and ab = 6, then what is the value of a3 + b3?

A) 32 B) 38
C) 35 D) 34
 
Answer & Explanation Answer: C) 35

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Exam Prep: Bank Exams

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Q:

In these questions, a question is given followed by information in three statements. You have to consider the information in all the three statements and decide the information in which of the statement(s) is not necessarily required to answer the question and therefore can be dispensed with. Indicate your answer accordingly How many students from institute 'A' got placement?

I. Number of students studying in institutes A and B are in the ratio of 3:4 respectively.

II. Number of students who got placement from institute B is 120% of the number of students who got placement from institute A

III. 80% of the students studying in institute B got placement.

A) None of the statements can be dispensed with B) Only I
C) Only II D) Any one of the three
 
Answer & Explanation Answer:

Explanation:

From I No. of students studying in A and B are 3x and 4x respectively.
From II No. of students studying in B who got placement = (4x × 80) ÷ 100 = 16x/5
Hence Question cannot be answered even with the information in all the three statements
Hence option 5 is correct

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Q:

A mobile plan costs Rs. 32 for 6 minutes. What is the approximate cost, in rupees, for 4 minutes?

A) 21.30 B) 21.40
C) 21.20 D) 21.50
 
Answer & Explanation Answer: A) 21.30

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Q:

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

A) 12/13 B) 5/13
C) 5/12 D) 1/5
 
Answer & Explanation Answer: B) 5/13

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Q:

By increasing the price of entry ticket to a fair in the ratio 5:7, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

A) increased in the ratio 55:63 B) decreased in the ratio 63:55
C) increased in the ratio 45:77 D) decreased in the ratio 77:45
 
Answer & Explanation Answer: A) increased in the ratio 55:63

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Q:

In simple interest rate per annum a certain sum amounts to Rs. 5,182 in 2 years and Rs. 5,832 in 3 years. The principal in rupees is

A) Rs. 2882 B) Rs. 5000
C) Rs. 3882 D) Rs. 4000
 
Answer & Explanation Answer: C) Rs. 3882

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Filed Under: Simple Interest
Exam Prep: Bank Exams

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