Mathematical Series Questions for Competitive Exams
Simplification the following equations
(A) 2955.5
(B) 2905.5
(C) 2590.5
(D) 2905.5
(E) None of these
Correct Answer : B
The smallest positive integer when multiplied by 392, the product is a perfect square, is
(A) 6
(B) 5
(C) 3
(D) 2
Correct Answer : D
Simplification the following equations shown below
(A) 1512
(B) 1521
(C) 1251
(D) 1531
(E) None of these
Correct Answer : B
What approximate value should come at place of the question mark(?) in the following question?
(A) 8
(B) 38
(C) 58
(D) 68
(E) 18
Correct Answer : E
What approximate value should come in place of the question mark(?) in the following question.
635×455÷403=?
(A) 735
(B) 795
(C) 695
(D) 685
(E) 715
Correct Answer : E
(A) 2.5 km/hr
(B) 2.4 km/hr
(C) 6 km/hr
(D) 5.2 km/hr
Correct Answer : A
Explanation :
Let man speed =x km/hr
stream of speed= y km/hr
x-y=8 upstream
x+y=13 downstream
solving it i get y = 2.5 km/hr
(A) 2
(B) 4
(C) 8
(D) 9
Correct Answer : C
(A) 3 hours
(B) 5 hours
(C) 4 hours
(D) 8 hours
Correct Answer : C
Explanation :
x=13 km/hr, y=4 km/hr
x+y=17 km/hr
Total Distance=68 km
Total Time=68/17=4 hours
(A) 2
(B) 10
(C) 15
(D) 5
Correct Answer : D
Explanation :
Let men speed is =x km/hr
Speed of stream in still water=y km/hr
x-y =
=4
The greatest number, which when divides 989 and 1327 leave remainder 5 and 7 respectively:
(A) 8
(B) 16
(C) 24
(D) 32
Correct Answer : C
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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