Maths Questions and Answers for Bank Exams
If $$ {x^{\sqrt{x}}}={({x{\sqrt{x}}})^{x}}$$, then the find the value of x
(A) $$ {3\over4}$$
(B) $$ {3\over5}$$
(C) $$ {9\over4}$$
(D) $$ {7\over4}$$
Correct Answer : C
Chandu bought a watch at 20 percent discount on mark price but sold it at mark price. Find the percentage of profit.
(A) 25 %
(B) 20 %
(C) 18 %
(D) 30 %
Correct Answer : A
Rekha bought a scooter for Rs 20,000 and sold it for Rs 22,000. What is the profit percentage?
(A) 15 %
(B) 12 %
(C) 20 %
(D) 10 %
Correct Answer : D
A mixture contains wine and water in the ratio 3 : 2 and another mixture contains them in the ratio 4 : 5 . How many litres of the latter mixture must be mixed with 3 litres of the former mixture so that the resultant mixture may contain equal quantities of wine and water?
(A) $$4{1\over 2}$$ litres
(B) $$3{3\over 4}$$ litres
(C) $$1{2\over 3}$$ litres
(D) $$5{2\over 5}$$ litres
Correct Answer : D
A can contains a mixture of two liquids A and B in the ratio 7:5. When 9 litres of mixture are drained off and the Can is filled with B, the ratio of A and B becomes 7:9. How many litres of liquid A was contained by the Can initially?
(A) 10
(B) 21
(C) 20
(D) 25
Correct Answer : B