Mathematical Series Questions for Competitive Exams
If the differernce between the reciprocal of a positive proper fraction and fraction itself be
(A)
(B)
(C)
(D)
Correct Answer : B
What is the value of a when
(A)
(B)
(C)
(D)
Correct Answer : A
If
(A) 0
(B) -1
(C) 1
(D)
Correct Answer : B
Simplify
(A) 2
(B) 1
(C)
(D)
Correct Answer : C
Two numbers are in the ratio x : y . If 2 is added to both numerator and denominator , the fraction becomes
(A) 2
(B) 3
(C) 4
(D) 5
Correct Answer : D
Which of the following is largest fraction amongst
(A)
(B)
(C)
(D) None of these
Correct Answer : C
Sum of 5 times of a fraction and 4 times its reciprocal is 9. What is fraction?
(A)
(B)
(C)
(D)
Correct Answer : C
Find the value of
(A) 0.002
(B) 0.0002
(C) 0.2
(D) 0.02
Correct Answer : C
(A) 42 yrs
(B) 45 yrs
(C) 36 yrs
(D) 38 yrs
Correct Answer : B
Explanation :
Answer: B) 45 yrs Explanation: Let father's age be x year and son's age be y year. According to question, 2(x+y) = 8y _______(I) and (x+y)/2 = 30 => x+y = 60 years__________(II) From equation (I) and (II) 8 y = 120 y = 15 years, Hence x = 45 years.
(A) 30
(B) 32
(C) 34
(D) 35
Correct Answer : C
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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