Consider the given question and decide which of the following statements is sufficient to answer the question.

X took a loan from Y on compound interest. Find the rate per annum?

Statements :

1. After 3 years, X paid Rs. 500 as interest

2. After 3 years, X paid Rs. 1500 to clear his loan with Y.

What is the value of acceleration due to gravity on the surface of the earth?

The given table represents the marks obtained by four students W, X, Y and Z in four subjects P, C, B and M with the maximum marks in each subject being 100.

The average marks of the four students in M is

Which of the following elements was the last element in Newland's Law of Octaves?

Given below are the ages in yrs of a group of children. What is the medium age?

7, 9, 8, 6 , 5, 3, 9, 2

_____ is the most ductile metal.

Which of the following is not a constituent of biogas?

___, present in the centre of a flower, forms the female reproductive part.