Related InterviewSolutions

• The height of a triangle is Increased by 10%. To retain the original area of the triangle , its corresponding base must be decreased by1). 10%2). $9\frac{1}{7}$%3). 4). $9\frac{1}{11}$%
• The radius of circle A is twice that of circle B and the radius of circle B is twice that of circle C. Their area will be in the ratio1). 16:4:12). 4:2:13). 1:2:44). 1:4:16
• A child reshapes a cone made up of clay of height 24cm and radius 6cm into a sphere.The radius (in cm) of the sphere is1). 62). 123). 244). 48
• The area of an isosceles triangle is 4 square unit. If the length of the third aide is 2 unit, the length of each equal side is1). 4 units2). $2\sqrt{3}$ units3). $\sqrt{17}$ units4). $3\sqrt{2}$ units
• One side of a square is increased by 30%. To maintain the same area, the other side will have to be decreased by1). $23\frac{1}{13}$%2). $76\frac{12}{13}$%3). 30%4). 15%
• Water flows into a tank which is 200 m long and 150m wide , through a pipe of cross-section 0.3m x 0.2m at 20 km / hour. Then the time (in hours) for the water level in the tank to reach 8m is1). 502). 1203). 1504). 200
• If the measure of one side and one diagonal of a rhombus are 10 cm and 16 cm respectively, then its area (in sq.cm.) is :1). 602). 643). 964). 100
• The area of a circle is proportional to the square of its radius. A small circle of radius 3 cm is drawn within a larger circle of radius 5 cm. Find the ratio of the area of the annular zone to the area of the larger circle. (Area of the annular zone is the difference between the area of the larger circle and that of the smaller circle).1). 9:162). 9:253). 16:254). 16:27
• Area of the incircle of an equilanteral triangle with side 6 cm is1). $\frac{\pi}{2}$ sq.m.2). $\sqrt{3}\pi$ sq.cm.3). $6\pi$ sq.m.4). $3\pi$ sq.m.
• The breadth of a rectangular hall is three-fourth of its length. If the areaof the floor is768 sq. m.,then the difference between the length and breadth of the hall is:1). 8 metres2). 12 metres3). 24 metres4). 32 metres