Quantitative Aptitude - Arithmetic Ability Questions

Q:

A factory buys 7 machines. 2 Machine A, 2 Machine B and rest Machine C. Prices of the machines are Rs 95000, Rs 75000 and Rs 43000 respectively. Calculate the average cost of these machines?

A) 71000 B) 67000
C) 75000 D) 65500
 
Answer & Explanation Answer: B) 67000

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Filed Under: Average
Exam Prep: Bank Exams

2 1968
Q:

In Δ ABC, the median AD is 6 cm and CB is 12 cm, measure of angle CAB is

A) 90° B) 30°
C) 60° D) 120°
 
Answer & Explanation Answer: A) 90°

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Filed Under: Area
Exam Prep: Bank Exams

0 1967
Q:

39 is 5.2% of?

A) 75 B) 750
C) 1500 D) 1875
 
Answer & Explanation Answer: B) 750

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Filed Under: Percentage
Exam Prep: Bank Exams

2 1967
Q:

AB is a diameter of a circle. C is a point on the tangent drawn at A . If AB = 8 cm and AC = 6 cm , then the length of BC is

A) 10 cm B) 14 cm
C) 5 cm D) 7 cm
 
Answer & Explanation Answer: A) 10 cm

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1967
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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Filed Under: Simplification
Exam Prep: Bank Exams

0 1967
Q:

If  tan2A / (secA -­ 1)2 = x, then the value of x is

A) (1+cosecA) / (1­-cosecA) B) (1+cosA)(1-­cosA)
C) (1+cosA) / (1­-cosA) D) (1+cosecA)(1­-cosecA)
 
Answer & Explanation Answer: C) (1+cosA) / (1­-cosA)

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1967
Q:

If 3 tan θ = cot θ where 0 < θ < π/2, then what is the value of θ ?

A) π/6 B) π/4
C) π/2 D) 1
 
Answer & Explanation Answer: A) π/6

Explanation:
3tan θ = cot θ 
3tan θ = 1/tan θ
tan2θ = 1/3
tan θ = 1/√3
θ = π/6
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Filed Under: Simplification
Exam Prep: Bank Exams

0 1966
Q:

If the product of two numbers is 2400 and their LCM is 96 then their HCF is

A) 35 B) 240
C) 24 D) 25
 
Answer & Explanation Answer: D) 25

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

8 1966