# 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

4

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

4

5,6,7

Explanation :
No Explanation available for this question

# If then is equal to

1.  Zero

2.  1

3.  2

4.

4

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

4

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

4

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

4

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

4

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

4

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

4

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

4