Mathmetics

ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams

Q311.

If the radii and the volumes of a sphere and a cone are respectively the same, what will be the ratio of the diameter of the sphere and the height of the cone ?

1)	1 : 2	2)	9 : 4
3)	3 : 1	4)	8 : 27
5)	None of these

Q312.

The sides of a cube are decreased by 10% each. Find the percentage change in its volume ?

1)	25%	2)	27%
3)	27.1%	4)	28.2%
5)	None of these

Q313.

The length, breadth and height of a cuboid are increased by 5%, 10% and 20%, respectively. Find the percentage increase in its volume ?

1)	25%	2)	30.25%
3)	38.2%	4)	38.6%
5)	None of these

Q314.

The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

1)	3 : 7	2)	7 : 3
3)	6 : 7	4)	7 : 6
5)	None of these

Q315.

The radius of a right circular cone is increased by 25% and slant height is decreased by 30%. Find the percentage change in curved surface area of the cone.

1)	10%	2)	12%
3)	12.5%	4)	16.25%
5)	None of these

Q316.

Each edge of a cube is increased by 20%. What is the percentage increase in its surface area ?

1)	40 %	2)	44 %
3)	50 %	4)	25 %
5)	None of these

Q317.

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?

1)	344.35 cm2	2)	384.55 cm2
3)	462 cm2	4)	498.35 cm2
5)	None of these

Q318.

Directions : Study the following graph carefully and answer the question geven below : What is the average number of students (in thousands) taking up Science from all the six colleges together ? (Rounded off to two digits after decimals)

1)	44.90	2)	43.33
3)	51.33	4)	49.90
5)	48.88

Q319.

Directions : Study the following graph carefully and answer the question geven below : What is the ratio of the number of students taking Science to the number of students taking Arts in college D ?

1)	14 : 19	2)	12 : 17
3)	17 : 19	4)	19 : 14
5)	13 : 18

Q320.

Directions : Study the following graph carefully and answer the question geven below : How many candidates (in thousands) have taken commerce from all the colleges ? 1) 165 2) 177 3) 185 4) 193 5) 199

1)	165	2)	177
3)	185	4)	193