Question
A 200 kg mixture of gold and silver contains 40% gold.
Find the amount of silver that must be added to the mixture so that gold becomes 1/7th of the remaining mixture.Solution
ATQ, Initial quantity of gold in 200 kg mixture = 0.40×200=80 kg Initial quantity of silver in 200 kg mixture = 200−80=120 kg Let 'z' kg of silver be added to the mixture. Thus, the fraction of gold in the new mixture becomes: 
360 kg of silver must be added.
Who sit at the corner?
I. P, Q, R, S, T, U are seated in a straight line facing South. R sits third to the right of U and Q sits second to the ri...
Five persons R, S, T, U, and V live on different floors of a five-storey building such that the bottommost floor is numbered 1 and the floor immediately...
Six persons P, Q, R, S, T and U sitting in a row facing north. Who among the following sits third from the right end?
I.Q sits at an extreme en...
Who among A, B, C, D, and E is the tallest?
I. A is taller than B. E is not the tallest.
II. C is taller than A. D is not the tallest.
Seven persons A, B, Y, Z, E, F and G are sitting in a row facing north but not necessarily in the same order. Which of the following persons sit fourth...
Who is the tallest among five persons i.e. E, F, G, H and T?
Statements:
I. H is taller than only one person.
II. F is not the ta...
The question given below consists of two statements numbered I and II given below it. You have to decide whether the data provided in the statements a...
The question below consists of two statements 1 and 2. Decide whether the facts provided in the statements are sufficient to answer the question.
A, B,C,D,E and F are sitting in a straight line facing north. Who sits at extreme right end of the row.
I. C is second to the right of D, who is ...
Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in...
Relevant for Exams:
