# The area of a right-angled triangle is 24 cm2 and one of the sides containing the right angle is 6 cm. The altitude on the hypotenuse is

1.  3.6 cm

2.  4.8 cm

3.  5.2 cm

4.  12 cm

4

4.8 cm

Explanation :
No Explanation available for this question

# A cost of cultivating a square field at a-rate of135 per hectare is1,215. The cost of putting a fence around it at the rate of 76 paise per meter would be

1.  360

2.  810

3.  900

4.  1,800

4

900

Explanation :
No Explanation available for this question

# What is the maximum percentage discount (approximately) that a merchant can offer on his marked price so that he, ends up selling at no profit or loss, if he initially marked his goods up by 40%

1.  60%

2.  No discount

3.  33.5%

4.  28.5%

4

28.5\%

Explanation :
No Explanation available for this question

# The area of a trapezium is 384 cm2. If its parallel sides are in the ratio 3 : 5 and the perpendicular distance between them is 12 cm, the smaller of the parallel sides is

1.    20 cm

2.  24 cm

3.  30 cm

4.  36 cm

4

24 cm

Explanation :
No Explanation available for this question

# The perimeter of the triangular base of a right prism is 60 cm and the sides of the base are in the ratio 5 : 12 : 13. Then its volume will be (height of the prism being 50 cm)

1.  6000 cm3

2.  6600 cm3

3.  5400 cm3

4.  9600 cm3

4

6000 cm3

Explanation :
No Explanation available for this question

# If the length of a rectangular parallelopiped is 3 times of its breadth and 5 times of its height and its volume is 14400 cu.cm, then area of the total surface will be

1.  2420 sq. cm

2.  3320 sq.cm

3.  4320 sq.cm

4.  5320 sq.cm

4

4320 sq.cm

Explanation :
No Explanation available for this question

# The capacities of two hemispherical bowls are 6.4 liters and 21.6 liters respectively. Then the ratio of their internal curved surface areas will be

1.  4:9

2.  2:3

3.  √2 :√3

4.  16:81

4

4:9

Explanation :
No Explanation available for this question

# Let A and B be two solid spheres such that the surface area of B is 300% higher than the surface area of A. The volume of A is found to be k% lower than the volume of B. The value of k must be

1.  85.5

2.  92.5

3.  90.5

4.  87.5

4

87.5

Explanation :
No Explanation available for this question

# The ratio of the areas of the circumcircle and the incircle of a square is

1.  2 : 1

2.  1 : 2

3.  √2: 1

4.  1:√2

4

2 : 1

Explanation :
No Explanation available for this question

1.  1:1

2.  1:1

3.  3:4

4.  4:3

4