Quantitative Aptitude - Arithmetic Ability Questions

The area of a rectangle is 448 sq.m. If the length is more than the breadth by 12%, find the breadth.

The perimeter and the breadth of a rectangle are 46 cm and 8 cm respectively. Calculate the length of its diagonal (in cm).

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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.

From the top of a building, the angles of elevation and depression of top and bottom of a tower are 60 deg and 30 deg respectively. If the height of the building is 5m, then the height of the tower is

125 - 73 + 48 - 137 + 99 = ?

45 - [38 - {60 / 3 - (6 - 9 / 3)/ 3}]= ?

25 - 1/2{5 + 4 - (3 + 2 - 1 + 3)} = ?

ΔABC is similar to ΔDEF. Length of AB is 18 cm and length of the corresponding side DE is 10 cm. What is the ratio of Perimeter of ΔABC : Perimeter of ΔDEF?