An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

Circle : 2∏ : : Regular hexagon : ________ is an example of

Which of the following is a characteristic of an instructional objective ?

The highest power of 2 contained in 10.

Which of the following is an axiom ?

Programmed learning is based on

The radius of a sphere is 2r, then its volume will be

The surface area of a sphere of radius 14 cm is:

The curved surface area of a right circular cylinder of height 14 cm is 88 cm². The diameter of the base is:

If the radius of a cylinder is 4cm and height is 10cm, then the total surface area of a cylinder is:

The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is:

The surface area of a cube whose edge equals to 3cm is:

Ratio of volume of a cone to the volume of a cylinder for same base radius and same height is

A cone has slanted height of 5cm and height of 4cm, its volume (in cm³) is __________

What is the volume of a cone having radius of 21cm and height of 5cm?

The radius of cone is 10 cm. The ratio of curved surface area and the total surface area of cone is 4: 5. Find the slant height of the cone.

Find the length of the edge of a cube whose surface area is given as 54 cm².

Find the area of a rhombus whose diagonals are given to be of lengths 6 cm and 7 cm.

A polygon has 27 diagonals. The number of sides of the polygon is

If the sum of the interior angles of a regular polygon measures up to 144 degrees, how many sides does the polygon have?

Find the length of the longest pole that can be placed in a room 12 m long, 8m broad and 9 m high

If a circle and a square have the same area, then what will be the perimeter of the square, if the diameter of the circle is 8 cm.

A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109sq. m, then what is the width of the road?

A park in the form of a right-angled triangle has a base and height of 10 m and 15 m respectively. Find the area of the park?

The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas

The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 500 revolutions?

The ratio of the length and the breadth of a rectangle is 4 : 3 and the area of the rectangle is 6912 sq cm. Find the ratio of the breadth and the area of the rectangle?

A cube of side one meter length is cut into small cubes of side 10 cm each. How many such small cubes can be obtained?

Dr Walton said :"our phone is being tapped by spies. We should code the message so that it will become difficult for others to understand." Holmes said: "OK. We will follow a colourful strategy instead of VIOLET, we will use INDIGO, for BLUE we use GREEN , for YELLOW we will use WHITE, and for ORANGE use BLACK". Walton said: "What do you mean by that ?" Holmes explained: "Under this technique KERALA will be coded as KHLARA and DELHI will be coded as DHRHN." What is the code for COCHI as per this strategy ?

If forth power of cube of a number is equal to cube of eighth power of another and the first number is twice the second number, the numbers are contained in which of the following ?

A mobile company has a prepaid pack of validity 28 days.To get 15% or more profit, the company thinks about the following strategies

1) Reduce the package validity period to 21 days

2)increase the package validity to 30 days, increase the price by 20%

3)increase the price by 10% reduce the validity to 24 days.

What is more correct about these strategies?

The radius of a circle is increased by 50%. What is the percent increase in its area?

The radius of a circle is increased by 40%. What is the percent increase in its area?

Side of square is 4 more than the radius of circle. Sum of perimeter of square and circumference of circle is 160. Find the radius of circle?

From 100 to 1000 how many 3 digit numbers are there with all digits in its distinct?

A monkey tries to jump up a 50 m high pole. It jumps up 1.25 m every second, but slides down by 0.5m next second. In how many seconds it will reach the top ?

A set of 51 numbers in such that if we remove the fist number, the average of the remaining numbers will be reduced by 1 from the average of all the numbers, if we remove the first and second, average be reduced by 2 from the original average of 51 numbers and so on. If average of all the 51 numbers is 1000, then which of the following is true

Raju can complete a work in 20 days, which Bobby, Arjun and Habib can finish Independently in 27, 30 and 36 days respectively, Raju and Arjan starts doing this work jointly and continues on it for 4 days and stops working. If one of Habib and Hobby has to complete the work, how many more days they may take respectively?

A, B and C joined a company in November on dates 16, 11 and 21 respectively. At the end of the month, A received Rs. 27,000 as the salary which is 20% more of what B received and 10% less of what C received. Then which of the following are the monthly salaries of B and C respectively?

What is the circumference of a circle if the radius is 7 m?

Find the area of the circle if the radius is 3.14 cm.

Find the perimeter of a sector with central angle 90 and radius 14cm

Find the length of a sector with central angle 90 and radius 14cm

Find the perimeter of a sector with central angle 180 and radius 7cm

Find the length of a sector with central angle 180 and radius 7cm

Number of sectors in a circle are ____

Find the area of the sector if the radius is 5 cm and with an angle of 50°.

The area of a sector of a circle is 88 cm2 and the angle of the sector is 120°. Find the radius of the circle.

The area of a sector of a circle is 66 cm² and the angle of the sector is 60°. Find the radius of the circle.

Which is the specification of remembering ?