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There are two pipes in a tank. If pipes A an B is opened together the tank will be filled in 12 minutes. If pipe A a alone is opened the tank will be filled in 15 minutes if pipe B alone is opened the tank will be filled in how many minutes ?
There are two pipes in a tank if pipe A is opened the tank will be filled in 20 minutes ,and if pipe B is opened it will be filled in 25 minutes.If both are open together in how many minutes will it be filled ?
There are two pipes in a tank. If pipe A is opened the tank will be filled in 12 minutes ,and if pipe B is opened it will be filled in 20 minutes.If both are open together in how many minutes will it be filled ?
There are two pipes in a tank if pipe A is opened the tank will be filled in 10 minutes and if pipe B is opened it will be filled in 15 minutes. If both are open together in how many minutes will it be filled ?
Which principle of curriculum construction is underlined in the statement. "the topic selected should be within the intellectual abilities, needs, interests and aptitude of students"
The effectiveness of a mathematics assignment depends upon
Which of the following is not a component behaviour of skill of stimulus variation ?
The number of diagonals of a polygon of 10 sides is

One of the solution of the equation 3×4x+2x+1=163\times4^x+2^{x+1}=16 is

x ഒരു പോസിറ്റീവ് രേഖീയ സംഖ്യ ആയാൽ 3x+31x3^x+3^{1-x}ന്ടെ ഏറ്റവും കുറഞ്ഞ വില ?

രണ്ടു സംഖ്യകൾ തമ്മിലുള്ള അനുപാതം 3:4 ഉം അവയുടെ ഗുണനഫലം 1728 ഉം ആയാൽ ചെറിയ സംഖ്യ ?
4 ന്ടെ ആദ്യത്തെ 4 ഗുണിതങ്ങളുടെ ശരാശരി :

1(2)2\frac{1}{(-2)^{-2}} ന്ടെ വില

If the tenth term of an AP is 20 and 20th term is 10, then the 30th term is :
Which of the following is not irrational ?
If p:q=1:2 and q:r = 3:2 then p:r is :
When the sun is at an elevation of 45°, the length of the shadow of a tree is 15meters. Then the height of the tree (in metres) is :

The value of 1222+3242+.+99210021^2-2^2+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 201820192018^{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+1x=2x + \frac{1}{x}=2, then x5+1x5x^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 xx+1+x+1x1x(x+1)\frac{x}{x+1}+\frac{x+1}{x}-\frac{1}{x(x+1)} ?

ഒരു ഗ്രാമത്തിലെ 2500പേരിൽ 700 പേര് ഇുംഗ്ലീഷ് ഭാഷ സംസാരിക്കുന്നവരാണ് . 900 പേര് ഹിന്ദി ഭാഷ സംസാരിക്കുന്നവരാണ് . 1200 പേര് രണ്ടും സംസാരിക്കാത്തവരാണ് , എങ്കിൽ രണ്ടും സംസാരിക്കുന്നവർ എത്ര ?
ഒരു ഗ്രാമത്തിലെ35% ആളുകൾ A പത്രം വായിക്കുന്നവരാണ് 65% ആളുകൾ B പത്രം വായിക്കുന്നവരാണ് 15% ആളുകൾ രണ്ടും വായിക്കാത്തവരാണ്എങ്കിൽ രണ്ടും വായിക്കുന്നവർ എത്ര ശതമാനം?