Top 100 Aptitude Questions and Answers for Competitive Exams
At what rate percent per annum will a sum of Rs.5000 amount to Rs.6000 in 4 years?
(A) 5%
(B) 6%
(C) 3.5%
(D) 4%
Correct Answer : A
A certain sum (in Rs.) is invested at simple interest at x% p.a. for 5 years. Had it been invested at (x+5)% p.a, the simple interest would have been Rs.9,200 more than the earlier one. What is the sum?
(A) Rs. 36,800
(B) Rs. 36,400
(C) Rs. 35,800
(D) Rs.40,000
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
The value of which one of the following fractions falls in between $$ {3\over 5}$$ and $$ {7\over 8}$$?
(A) $$ {8\over 9}$$
(B) $$ {4\over 7}$$
(C) $$ {12\over 13}$$
(D) $$ {6\over 7}$$
Correct Answer : D
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
An article was sold for Rs.4000. Had a discount of 10% was being offered, the profit would have been 20%. The cost price of the article was:
(A) Rs.3000
(B) Rs.3600
(C) Rs. 3200
(D) Rs. 3310
Correct Answer : A
A discount of 20% in the price of rice enables X to buy 5 kg more rice for ₹100. What is the reduced price of rice per kg?
(A) ₹4
(B) ₹2
(C) ₹1
(D) ₹3
Correct Answer : A
A vessel contains some litres of pure milk. If 25 litre of water is added to the vessel, then ratio between milk and water becomes 12:5, 17 litres of mixture is drawn from the vessel and 10 litre of water is added to the mixture. Find the new ratio between milk and water.
(A) 6 : 5
(B) 5 : 6
(C) 8 : 5
(D) 5 : 8
Correct Answer : C
Two vessels A and B contain spirit and water mixed in the ratio 5:2 and 7:6 respectively. Find the ratio in which these mixture be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8:5?
(A) 9 : 7
(B) 2 : 3
(C) 7 : 5
(D) 5 : 7
(E) 7 : 9
Correct Answer : E