# The sides of a triangle are 5:6:7 and its area is 800 sqft. Find its sides

1.  Sqrt[800/sqrt(225)]

2.  sqrt[800/sqrt(216)]

3.  sqrt[800/sqrt(210)]

4.  sqrt[760/sqrt(220)]

4

sqrt[800/sqrt(216)]

Explanation :
No Explanation available for this question

# Find the area of the cyclic quadrilateral whose sides are 15,12,10 and 13 cms.

1.  30*sqrt(26)

2.  30*sqrt(20)

3.  10*sqrt(6)

4.  10*sqrt(2)

4

30*sqrt(26)

Explanation :
No Explanation available for this question

# Cost of painting the 4 walls of a room 40ft.*15ft. At Rs.5 per square feet is Rs.7500. Find the height of the room

1.  14 ft.

2.  13.63 ft.

3.  15.72 ft.

4.  21.2 ft.

4

13.63 ft.

Explanation :
No Explanation available for this question

# The areas of a trapezium of height 20 cm. Is 800 cm2. One parallel side is 10 cm. Longer than the other. Find the parallel side

1.  35,45

2.  30,40

3.  45,35

4.  60,70

4

35,45

Explanation :
No Explanation available for this question

# Volume of a right circular cylinder is 450 cm3and its curved surfaces area is 200 cm2. Find its radius

1.  2.5 cm

2.  1.5 cm

3.  5 cm

4.  4.5 cm

4

4.5 cm

Explanation :
No Explanation available for this question

# Iron weighs 8 times the weight of steel . Find the diameter of an iron ball whose weight is equal to that of a ball of steel 16 inches diameter

1.  6

2.  7.5

3.  9

4.  8

4

8

Explanation :
No Explanation available for this question

# A rectangle 5cm*3cm is rotated about its smaller edge as axis. Find the curved surface area and volume of solid generated

1.  85,60

2.  35,40

3.  75,30

4.  30,75

4

30,75

Explanation :
No Explanation available for this question

# The diff b/w l.c.m and h.c.f of 2 natural nos. a and b is 57.what is d min value of a+b

1.  22

2.  27

3.  31

4.  58

5.  None of the above

5

22

Explanation :
No Explanation available for this question

# Find the no of ordered triplets (x, y, z), where x, yandz are primes and xy + 1 = z

1.  0

2.  1

3.  2

4.  3

5.  none of these

5

2

Explanation :
No Explanation available for this question

1.  1

2.  3

3.  4

4.  2

5.  more than 4

5