Subject: Maths, asked on 11/1/18
Subject: Maths, asked on 11/1/18
Subject: Maths, asked on 10/1/18

## The ratio of the area of a rectangle A to that of rectangle B is 1:3. If 1/4th of rectangle A is shaded, what fraction of rectangle B is shaded? A) 1/12 ​B) 1/16 ​C) 15/16 D) 11/12

Subject: Maths, asked on 10/1/18

## Four circles of diameter d cm are arranged in such a way that they touch each other. A square is formed by joining the centers of the four circles. What is the area of the shaded part? A) d² (1-π) B) d² (4-π) ​C) d²/4 - πd²/4 ​ ​D) d² - πd²/4

Subject: Maths, asked on 9/1/18

## a cuboidal solid is cut into two cuboids of equal volumes . find the ratio between the surface area of the cube and the surface area of one cuboid

Subject: Maths, asked on 9/1/18

## a right circular cone of diameter K cm and the height 12 cm rests on the base of a right circular cylinder of radius K cm the cylinder is filled with water to a height of 12 cm . if the cone is removed from the cylinder , then find the fall in the level of water .

Subject: Maths, asked on 9/1/18

## a hemispherical tank full of water is emptied by a pipe at the rate of 3 whole 4/7 litres per second . how much time will it take to empty the tank , if the tank is 3 m in diameter

Subject: Maths, asked on 9/1/18

## a sphere of diameter 2a is dropped is dropped into a cylindrical vessel partly filled with water . the diameter of the base of the vessel is 8a/3 . if the sphere is completely submerged completely , then find the increase in water level in cylindrical vessel

Subject: Maths, asked on 9/1/18

## a corn cob is shaped like a right circular cone , has the radius of its base as 2.1 cm and the length as 20 cm . if each 1 cm2 of the surface of the cob carries an average of four grains, find the approximate number of grains on the entire cob . assume there are no grains an the base of the cob.

Subject: Maths, asked on 9/1/18

## a conical flask of radius  a and height 2a is full of water . if the water is poured into a cylindrical flask of radius 2a/3 , then find the height of water in the cylindrical flask

Subject: Maths, asked on 9/1/18

## a right circular cylinder just encloses a sphere of radius 5 cm . find the surface area of the sphere  curves surface area of the cylinder.  ratio of areas obtained in (1) and (2)

Subject: Maths, asked on 9/1/18

## a well , whose diameter is 7 m has been dug 22.5 m deep and the soil dug out is used to form embankment 10.5 m wide around it . find the height of the embankment

Subject: Maths, asked on 9/1/18

## it costs rs. 3300 to paint the inner curved surface area of cylindrical vessel 20 m deep . if the cost of painting is at the rate of rs. 30 per m2 , then find the  inner curved surface area  radius of the base  capacity of the vessel

Subject: Maths, asked on 9/1/18

## a heap of wheat is in the form of cone whose diameter is 10.5 m and the height is 3 m . find its volume . the heap is to be covered by canvas to protect it from rain . find the area of the canvas required

Subject: Maths, asked on 9/1/18

## if the radius of a sphere is increased by p%, then find the percentage increase in its surface area

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