if one root of a quadratic equation is 3+√2 , then quadratic equation is

1.  X2-6x-7=0

2.  X2+6x+7=0

3.  X2+6x-7=0

4.  X2-6x+7=0

View Answer  
4
Correct Answer :

X2-6x+7=0


Explanation :
No Explanation available for this question

three consecutive positive integers such that square of their sum exceeds the sum of their squares by 214, are

1.  5,6,7

2.  10,11,12

3.  9,10,11

4.  7,8,9

View Answer  
4
Correct Answer :

5,6,7


Explanation :
No Explanation available for this question

If then is equal to

1.  Zero

2.  1

3.  2

4.  

View Answer  
4
Correct Answer :

Zero


Explanation :
No Explanation available for this question

A and B attempt to solve a quadratic equation of the form ax2+bx+c=0. A starts with a wrong value of b and gets the roots as -3 and -5. B starts with a wrong value of C and gets the roots as 6 and 2. The correct roots are

1.  3,4

2.  3,5

3.  4,6

4.  2,3

View Answer  
4
Correct Answer :

3,5


Explanation :
No Explanation available for this question

what is the value of

1.  5+/2

2.  5-/2

3.  5±/2

4.  7

View Answer  
4
Correct Answer :

5+/2


Explanation :
No Explanation available for this question

Number of Boundary Conditions required to slove the Differential equation is

1.  2

2.  0

3.  4

4.  1

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

A man buys two horses for Rs.86. by selling one for three-quarters of its cost price, he makes a profit of Rs.3 on the whole transaction. The cost price(in rupees) of each horse is

1.  Rs.39, Rs.47

2.  Rs.34, Rs.52

3.  Rs.48, Rs.38

4.  Rs.44, Rs.42

View Answer  
4
Correct Answer :

Rs.44, Rs.42


Explanation :
No Explanation available for this question

Sum of Anita’s ans Sunita’s age is 43 years,11 years hence, Anita’s age will be 7/6 times S unita’s age then. S unita’s present age is

1.  22 years

2.  20 years

3.  24 years

4.  19 years

View Answer  
4
Correct Answer :

19 years


Explanation :
No Explanation available for this question

In a school trip, the students were accommodated in two rooms A and B . if 5 students are shifted from room A to room B then there will be equal number of students in both the rooms.but if 5 students from room B is shifted to room A ,then the resulting number of students left in room B. total number of students are

1.  60

2.  35

3.  25

4.  80

View Answer  
4
Correct Answer :

60


Explanation :
No Explanation available for this question

Soluation for the following differential equation with boundary conditions y(0)=2 and y’(1)=-3 is d2y/dx2=3x-2

1.  Y=x3/3-x2/2+3x-6

2.  Y=3x3-x2/2-5x+2

3.  Y=x3/2-x2-5x/2+2

4.  Y=x3-x2/2+5x+3/2

View Answer  
4
Correct Answer :

Y=x3/2-x2-5x/2+2


Explanation :
No Explanation available for this question
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