Maths Puzzles Questions with Answers for Competitive Exams
In a bag there are 4 white, 4 red and 2 green boxes. Two boxes are drawn at random. What is the probability that at least one boxes is of red colour?
(A) $${4\over3}$$
(B) $${7\over3}$$
(C) $${1\over3}$$
(D) $${2\over3}$$
(E) None of these
Correct Answer : D
From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
(A) $$ 1\over15$$
(B) $$ 25\over57$$
(C) $$ 35\over256$$
(D) $$ 1\over221$$
(E) None of these
Correct Answer : D
The marked price of a radio is Rs. 480. The shopkeeper allows a discount of 10% and still gains 8%. If no discount is allowed, find his gain percent.
(A) 10 %
(B) 15 %
(C) 20 %
(D) 35 %
Correct Answer : C
A article is marked at Rs. 65 and a customer buys it for Rs. 56.16 and got two successive discount of 4% and k%. Find the value of k?
(A) 5 %
(B) 7%
(C) 10%
(D) 9%
Correct Answer : C
Find the value of 13/16 share of land whose 9/7 share is worth 10,116.
(A) 6394.75
(B) 6302.75
(C) 6392.75
(D) 6391.75
Correct Answer : C