An 80 litre mixture of water and acid contains 20% acid. How much acid should be added to make the acid 60% in the new mixture?
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The ratio of salary of u, v and w is 8 : 7 : 13. If w gets Rs 3384 more than that of v, then what is the salary (in Rs) of u?
If 60% of a number is added to 60, then the result is equal to the number itself. What is the number?
___ is the point at which the perpendicular bisectors of the sides meet and the center of the circle that circumscribes the triangle is ____.
Which of the following is the correct option for the congruency of the two triangles ABC and PQR as per the SAS congruency criterion?
If a = 5 + 22 & b = 5 - 22, then find the value of a2 - b2.
If y - 1y = 4, then find the value of y3 - 1y3.
What will be the maximum power of 8 that exactly divides 25!?
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