Maths Puzzles Questions with Answers for Competitive Exams
The simple interest on an amount at the rate of 7 percent for five years is Rs 700. So how much is the principal?
(A) 1800
(B) 1600
(C) 2000
(D) 2100
Correct Answer : C
The simple interest for four years is one fourth of the principal. At the same rate, which amount become Rs.450 total amount in 2 years?
(A) Rs. 400
(B) Rs. 525
(C) Rs. 425
(D) Rs. 525
Correct Answer : A
If four coins are tossed together, what is the probability of at least getting 2 heads?
(A) 13\16
(B) 11\16
(C) 9\16
(D) 15\16
(E) None of these
Correct Answer : B
In how many different ways can the letters of the word ‘DESIGN’ be arranged so that the vowels are at the two ends?
(A) 48
(B) 72
(C) 36
(D) 24
(E) None of these
Correct Answer : A
If $$ {3^{4x-y}={3^{x+y}=\sqrt{27}}}$$, then the value of y is:
(A) $$ {9\over 10}$$
(B) $$ {3\over 2}$$
(C) 2
(D) $$ {3\over 4}$$
Correct Answer : A
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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