Bissoy.com
Doctors Medicines MCQs Q&A

Related Questions

If X stands for addition, V stands for substraction, U stands for 'equal to',  ∧ stands for division, ∑ stands for multiplication, O stands for greater than and σ stands for less than. State which expression is true?
If "x" stands for addition, "<" stands for subtraction, " + " stands for division, ">" stands for multiplication, " – " stands for equals to, "÷" stands for greater than and " = " stands for less than, which of the following holds true?
If '+' stands for '÷', '­' stands for '=', 'x' stands for '+', '÷'stands for greater than, '=' stands for less than, '>' stands for multiplication and '<' stands forsubtraction, then which of the following alternatives is correct?
If "x" stands for addition, "<" stands for subtraction, "+" stands for division, ">" stands for multiplication, "–" stands for equals to, "÷" stands for greaterthan and "=" stands for less than, which of the following holds true?
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 75 kg mixture of copper and tin contains copper and tin in the ratio 3 ∶ 2. 25 kg of the mixture is removed and replaced with copper and the operation is repeated twice. At the end of the two removals and replacements, what is the ratio of tin and copper in the resultant mixture?
25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is in the ratio 1 : 2 and the amount of lead and tin in the alloy Y is in the ratio 2 : 3, then what is the ratio of lead and tin in the mixture?
An alloy contains copper and tin in the ratio 3 : 2. If 250 gm of copper is added to this alloy then the copper in it becomes double the quantity of tin in it. What is the amount (in gm) of tin in the alloy?
25 kg of alloy X is mixed with 125 kg of alloy Y. If the amount of lead and tin in the alloy X is in the ratio 1 ∶ 2 and the amount of lead and tin in the alloy Y is in the ratio 2 ∶ 3, then what is the ratio of lead and tin in the mixture? 
Statement 1: Radiation has no influence in promoting tin rot or tin disease. Statement 2: Tin coatings over base steel are suitable for food irradiation.