At how many points does the graph y=|||x – 5|- 14|-6| touch the x-axis

1.  1

2.  2

3.  3

4.  4

5.  6

View Answer  
5
Correct Answer :

4


Explanation :
No Explanation available for this question

Huckleberry Finn was rowing upstream on the Mississippi river. When he had covered one kilometer from his starting point. his hat fell into the river and started floating downstream. Finn continued to row upstream for five more minutes before he realized that his hat had fallen off. He then turned back and caught up with the hat just as it reached the starting point. Find the speed of flow of the river.

1.  6 km/hr

2.  8 km/hr

3.  12 km/hr

4.  10 km/hr

5.  Cannot be determined

View Answer  
5
Correct Answer :

6 km/hr


Explanation :
No Explanation available for this question

A shopkeeper sells a radio at 10% discount and yet manages a 10% profit. Find his profit/loss percentage, if be were to instead sell the same radio at a discount of 20%.

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A and B are two points on the co-ordinate plane. A is   If B is the reflection of A with respect to a line mx+ny+k=0, find the foot of the perpendicular drawn to the line from the point A.

1.  (-8,8)

2.  (4, -4) 4)

3.  (3/4, -4/3)

4.  cannot be determined

View Answer  
4
Correct Answer :

(3/4, -4/3)


Explanation :
No Explanation available for this question

The number of real values of x satisfying the equation log4(x – 4)2 +log8(28-6x)3=1,is

1.  3

2.  2

3.  4

4.  0

5.  1

View Answer  
5
Correct Answer :

1


Explanation :
No Explanation available for this question

The minimum number of straight Lines required to obtain 16 non overlapping parallelograms is

1.  8

2.  10

3.  17

4.  7

5.  6

View Answer  
5
Correct Answer :

10


Explanation :
No Explanation available for this question

A quadratic expression f(x)=ax2 + bx + c is such that f(-2) < 4; f(2) >-4 and f(3)

1.  a < -2

2.  a < -1

3.  a > 1

4.  a > 2

5.  a>3

View Answer  
5
Correct Answer :

a < -1


Explanation :
No Explanation available for this question

Three circles of radi i r, 2r and r are drawn, with their centres on the diagonal of a square, touching one another and the square as shown in the figure. What is the ratio of the radius of the smaller circles to the side of the square

1.  (3 - Ö2)/14

2.  (3Ö2 - 2)/14

3.  (3Ö2 - 2)/7

4.  (3 - Ö2)/7

5.  (3 + Ö2)/7

View Answer  
5
Correct Answer :

(3Ö2 - 2)/14


Explanation :
No Explanation available for this question

In a certain infinite geometric progression, the sum of any three consecutive terms equals 7 times the sum of all the terms that follow them. Find the ratio of any term of the progression to the sum of all the terms that follow it.

1.  8 : 1

2.  4 : 1

3.  3 : 1

4.  2 : 1

5.  1 : 1

View Answer  
5
Correct Answer :

1 : 1


Explanation :
No Explanation available for this question

Whenever two dimensional figure is rotated about a given axis, it sweeps through a certain volume in space. This volume is said to be generated by the rotating the figure about the given axis. Now. a triangle is similarly rotated about an axis which coincides with one of the sides of the triangle If the lengths 0 f the sides of triangle are 5 em, 12 em and 13 em, then what is the maximum possible volume that can be generated in space by rotating the triangle

1.  160 π cm3

2.  180 π cm3

3.  330 π cm3

4.  240 π cm3

5.  108.33 π cm3

View Answer  
5
Correct Answer :

330 π cm3


Explanation :
No Explanation available for this question
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