Maths-
General
Easy
Question
A candidates is required to answer 6 out of 10 questions which are divided into two groups each containing 5 question and he is not permitted to attempt more than 4 from each group. The number of ways he can make up this choice is-
- 150
- 200
- 250
- 300
The correct answer is: 200
Related Questions to study
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An e.m.f. of 
is induced in a coil when the current in another nearby coil becomes 
from zero in 
. The coefficient of mutual induction between the two coils will be
An e.m.f. of is induced in a coil when the current in another nearby coil becomes from zero in . The coefficient of mutual induction between the two coils will be
Physics-General
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The number of turns of the primary and the secondary coils of a transformer are 10 and 100 respectively. The primary voltage and the current are given as 
and 
. Assuming the efficiency of the transformer as 90%, the secondary voltage and the current respectively are
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In a primary coil 
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Physics-General
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The ratio of secondary to the primary turns in a transformer is 3:2. If the power output be 
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Physics-General
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If a current of 
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. The mutual inductance between the two coils is
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Physics-General
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The points on the curve 
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The points on the curve whose ordinate and abscissa change at the same rate, are
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The real number 
when added to its inverse gives the minimum value of the sum at equals to
The real number when added to its inverse gives the minimum value of the sum at equals to
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The function 
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If 
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is
If , the minimum value of is
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If 
, then minimum value of 
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in
. Which of the following is not correct?
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takes its maximum value at the point
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Maths-General
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The function which is neither decreasing nor increasing in 
, is
The function which is neither decreasing nor increasing in , is
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The angle between the curves 
and 
is equal to
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If 
where is real number, then
If where is real number, then
Maths-General
