Quantitative Aptitude - Arithmetic Ability Questions

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

What is the value of 643 × 121289 - 169 ?

Sin6A + Cos6A - 1 is equal to

Calculate the sum of squares from 1 to 9.

The length, breadth and height of a cuboid are 10 cm, 6 cm and 4 cm respectively. What is the total surface area?

The measures of the four angles of a quadrilateral are in the ratio 1:2:4:5. What is the measure of the biggest angle?

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

The difference between Charles' and Shriya's ages is 6 years. When they married each other 30 years ago, 4 times Charle's age was the same as 5 times the age of Shriya. What is the current sum of their ages?