IMF 2021 SET C

1. 6 is _________ mean of 7.2 and 5
3. Twenty-four ________ are equivalent to two feet.
5. Circles sharing the same centre are called ______.
6. If the direction ratios of two lines are proportional then the lines are________.
11. The product of a non-zero number and an irrational number is always _________.
13. ________ of sine and cosine function is all real numbers.
15. A parallelogram with all sides equal is called a _______.
16. The ________mean of a and b is (a+b)/2.
19. The line dividing the numerator and denominator in a fraction is called ________.
21. _________________ is always a subset of the co-domain.
23. If a relation on a set is reflexive, symmetric and transitive then it is known as______ relation.
24. What is the total number of dots on a dice?
25. I am an odd number. Take away one letter and I become even. What number am I?
27. A complex number z = x + iy can be represented by a point P(x,y) on the plane which is known as the _________plane.
28. Differentiation of a _______ function is zero.
29. Two lines are ______ if and only if the product of their slopes is -1.
30. _________ is known as The Father of Geometry.

2. If three lines are passed through a common point the they are known as_________ lines.
4. A set containing a single element is called a _____ set.
7. A.(B.C) = (A.B).C shows ________ property.
8. Two triangles on the same base and between the same parallels have equal _________.
9. The point of intersection of perpendiculars drawn from the vertices on the opposite sides of a triangle is called _____.
10. Number system with base 2
12. The Eigen values of a______ matrix are the diagonal elements of the matrix.
14. _______ number is a positive integer that is equal to the sum of its proper divisors.
17. Minimum number of non-collinear points required to form an equation of plain is________.
18. January 1, 2008 was Tuesday. What day of the week lies on January 1, 2009?
20. The centroid of a triangle is the point of intersection of its_________.
22. A “1” followed by a googol of zeroes is known as ______.
26. Standard deviation is the positive square root of______ .