Railway Aptitude Questions and Answers for Exams
In ΔABC, ∠C=90° and CD is perpendicular to AB at D. If AD/BD=$$ {\sqrt{k}}$$, then AC/BC=?
(A) $$ {\sqrt{k}}$$
(B) $$ {1\over{\sqrt{k}}}$$
(C) $$ {^4\sqrt{k}}$$
(D) k
Correct Answer : C
In a test consisting of 140 Questions, a candidate correctly answered 70% of the first 80 questions. What percentage of the remaining questions does the candidate need to correctly answer to score 60% in the test?
(A) 35%
(B) $$ {46{2\over 3}}{\%}$$
(C) $$ {45{1\over 3}}{\%}$$
(D) 40%
Correct Answer : B
If x + y + z=1, xy+yz+zx=-26 and x3 + y3+z3=151, then what will be the value of xyz?
(A) -18
(B) 32
(C) 24
(D) – 30
Correct Answer : C
What is compound interest on a sum of Rs. 37,500 for $$ {1{1\over 3}}$$ years at a rate of 12 % per year. If the interest is compounded 8 monthly?
(A) Rs.6, 420
(B) Rs.6, 448
(C) Rs.6, 240
(D) Rs.6, 440
Correct Answer : C
A is 40% less than B, and C is 40% of the sum of A and B. The difference between A and B is what percentage of C?
(A) 64 %
(B) 62.5 %
(C) 60.5 %
(D) 60%
Correct Answer : B
Explanation :
The Ratio will be A: B :C=60 : 100 : 64
Then 40/64*100=62.5%
Raghu sold an article for Rs. 180 after allowing a 20% discount on its marked price. Had he not allowed any discount, he would have gained 20%. What is the cost price of the article?
(A) 187.50
(B) 192.80
(C) 188.60
(D) 190.40
Correct Answer : A
95 percent of 4598 will be___
(A) 4840
(B) 4800
(C) 4850
(D) 4880
Correct Answer : A
Hitesh is 40 years old and Rohit's age is 60 years, how many years ago his age ratio was 3: 5?
(A) 10 year
(B) 5 year
(C) 20 year
(D) 25 year
Correct Answer : A
If a shopkeeper bought 70 kg of potatoes for Rs 420 and sold the entire purchase at the rate of 6.50 per kg, what was his profit percentage?
(A) $$ {8{1\over 3}\%}$$
(B) $$ {5{1\over 3}\%}$$
(C) $$ {8{2\over 3}\%}$$
(D) $$ {4{1\over 3}\%}$$
Correct Answer : A
The average marks of a student in an examination is 63, if he had scored 20 marks in geography and 2 more marks in history, his average marks would have been 65. How many subjects were there in the exam?
(A) 10
(B) 11
(C) 12
(D) 9
Correct Answer : B
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Gajanand
B-Tech Electronic and Communication Engineering select the SSC CGL Tier-1 and Tier-2 in 2016 and Rajasthan state Govt. Exams Expert in Mathematics , Reasoning Gk and English.
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