1.
A set of all the values of ‘x’ in the replacement set which satisfy the given inequation is known as:
2.
A point P (2, -4) is reflected in a line x=1 to point P'. Find the co-ordinates of P'.
3.
Sub-duplicate ratio of m² : n² is:
5.
It is possible to have ratio as 3 : 0 or 0 : 3
6.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.
7.
Two triangles are similar and the ratio of their altitudes will be in :
9.
The corresponding altitudes of two similar triangles are 2.1 cm and 3.5 cm respectively. Find the ratio of their areas.
10.
The quotient of two irrational numbers can be a rational number.
11.
What is inclination of a line?
12.
In a quadratic equation ax² + b + c = 0, b² − 4ac > 0 and not a perfect square.
13.
A set of all the values of ‘x’ in the replacement set which satisfy the given inequation is known as:
14.
All the terms of in-equation can be shifted to other side :-
15.
In case of discounted sale, the sales tax is calculated on the printed price. Is it true or false?
16.
The sum of first ‘n’ natural numbers is 325. Find ‘n’.
17.
A system of two linear equations having same two variables but having no solution is known as inconsistent system of linear equation.
19.
Without using tables, evaluate: cosec (75 + θ) - sec (15 - θ) - tan (55 + θ) + cot (35 - θ)
20.
5.63256565656 …….. is: