Quantitative Aptitude - Arithmetic Ability Questions

Which of the following will yield a reclining decimal?

Simplify : -21973 × -1253 ÷ 275123

The price of an article is cut by 9%, to restore to its original value, the new price must be increased by

If 3x -­ 7 = 5x ­- 1, then the numerical value of (x ­- 4)2 is 

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

tan(A/2) is equal to

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

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?