Correct Questions: 0 | Wrong Questions: 0 | Total Score: 0 Points

The expression x2 - y2 + x + y - z2 + 2yz - z has one factor which is

x - y - z +1
y - x + z
x - y + z +1
x + y - z +1

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How many times will I be writing 2 if I wrote down numbers from 11 to 199?


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Salman solves -3- 4 = +7 The error is committed as

Salman has not understood the concept of multiplication of integers
Salman is careless
Salman is not clear about the concept of addition of integers
Salman needs to practice solving problems of similar type

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Given n numbers, n >1,of which, one is 1 - 1/n and all other are 1’s. The mean of then n numbers is


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Which of the fractions is the least?


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While solving a problem based on ‘Pythagoras theorem’, a teacher draws the following triangle ABC. Rajan argued that the triangle ABC is not drawn correctly. The only way to draw it is
Rajan has the misconception as

he lacks in analytical ability
he is weak in geometrical concepts
his teacher must have always drawn the triangle in this particular way
he has dysgraphia

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Mr. Manish used lots of manipulative, Maths Lab activities and ICT activities to clarify the concept of ‘Symmetry’. Mr. Manish wants to

cater to kinesthetic learners only
cater to students of all learning styles
be popular amongst his students
pass time so that he can avoid teaching of next topic, as it is not of his interest

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Summative Assessment of the unit ‘Mensuration’ can be done through

ICT activity
Project work
Maths Lab activity
Paper-Pencil test

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The diameter of a cylindrical jar is increased by 25%. By what percent must the height of the jar be decreased so that there is no change in its volume?


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Ankur got zero marks in a word problem on linear equations in an assessment. The teacher knows that he can solve linear equations correctly. The teacher ought to remark in his report

Ankur lacks concentration and hence has examination phobia
Ankur is not studying and practicing at home
Ankur has not understood the concept of linear equations completely
Ankur has a problem in comprehending the language of the question, though he can solve the equations

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