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.

ΔGHI is similar to ΔKLM. If the ratio of Perimeter of Δ GHI : Perimeter of ΔKLM = 1:4, and length of GH is 2 cm, what is the length of the corresponding side KL?

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

Slit 69 into three parts such that they are in A.P. and the product of their smaller parts is 483.

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

If X2+4y2+z2-4x-2z+5-0, then find the value of y15+x5z14