The value of $1^2-2^2+3^2-4^2+.+99^2-100^2$ is :

Which of the following is true ?

If a shirt of marked price 1500 rs is offered at a discount price of 1200 rs, Then the percentage of discount is :

When the sides of a square is decreased by 10% , then its area is decreased by :

The digit at the unit place of

2018^{2019}

is :

The sum of the coefficients in the expansion of (1+x)¹⁵ is :

The volume of a cylinder is twice the volume of a sphere whose radius is twice the height of the cylinder. Then the ratio of the radius of the cylinder to the height is:

If $x + \frac{1}{x}=2$ , then $x^5+\frac{1}{x^5}$ is

Which of the following is not an individualised learning strategy ?

Through which method student are made active and independant enquirer to find and gather scientific information ?

Highest level in Gagne's hierarchy of learning is :

The mathematician closely related to Kerala is :

'√7 is irrational '. We can prove it by the method of :

Which of the following is an audio - visual teaching aid ?

'Mathematics is like a Wheatstone and by its study one learns to think distinctly, consecutively and carefully.' This is related to which value of teaching Mathematics ?

Which of the following is not a mathematics skill ?

In 'Elements', the authoritative text on ancient geometry, Euclid considers only figures made of :

Which of the following is true to the concept 'logarithm'?

Which of the following is not related to the objective 'application' according to Bloom's Taxonomy ?

Which of the following is not related to project method ?

For selecting teaching strategies and evaluation techniques, a Mathematics teacher can follow :

Preparation of daily lesson planning in Mathematics teaching includes :

The term facilitator was first used by

Consistency of a test score is :

Mathematics should be compulsory subject in the school curriculum, mainly because;

For factorizing the algebraic expression 3x²+10x+7, the teacher should help the learner to find two numbers with

Which of the following play an effective role in learning Mathematics by providing direct experience ?

The effect of instruction from the environment is :

The software which cannot be used for school mathematics learning is :

Which of the following is not related to diagnostic evaluation ?

What do we get on simplifying the expression $\frac{x}{x+1}+\frac{x+1}{x}-\frac{1}{x(x+1)}$ ?

For a given data , teh mean is 50 and the mode is 32, find the median.

In , -25 an arithmetic sequence if 17 is the 3rd term, -25 is the 17th term then which term is -1 ?

The sum of cubes of first few even numbers is 1800. What is the sum of these numbers ?

If the radius of a cylinder is increased by 10% and height remains unchanged, then what is the percentage of increase in volume ?

How many numbers upto 200 are divisible by 4 and 6 together ?

If the surface area of a cube is 24 sq.cm, Then find the length of its diagonal.

What is the reminder when $4^{100}$ is divided by 7 ?

If A(2,3), B (4,6) , C(10,15) are three collinear points, then B divides the line segment joining A and C in the ratio :

Which of the following can be a value of n if the expression of $(x+\frac{1}{x^2})^n$ has a term independent of x ?

The arithmetic mean between two numbers is 75 and their geometric mean is 21. Find the numbers.

What is the eccentricity of the conic with equation 3y²-x²=108 ?

ABC is an isosceles triangle . AB= 4cm , AC= 8cm . What is the perimeter of triangle ABC ?

In triangle ABC , AB=3cm and

Sum of first n terms of an arithmetic sequence is 5n² + 2n. What is the 21st term of the sequence ?

$P(x)=x+x^2+x^3+...x^{2023}$ . What number is P(-1)

A two digit number is written on a paper slip and these are all put in a box. What is the probability that the product of the digits of a number drawn is a prime number ?

The average of 8 numbers is 100. The difference between the two greatest numbers is 20. Average of the remaining 6 numbers is 85. The greater number is :

Surface area of a solid sphere is 4 square centimeters. If it is cut into two hemispheres , what would be the surface area of each hemisphere ?

$P(x)=x^2+ax+b$ and P(-m)=P(-n)=0. Then (m+1)(n+1) is :

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