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Any year is entered through the keyboard, write a program to determine whether the year
Any year is entered through the keyboard, write a program to determine whether the year is leap or not. Use the logical operators && and ||.Solution -:
#include#includemain(){ int y...
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Posted By: Open E-School
Posted On: 2017-04-13

A certain grade of steel is graded according to the following conditions (i) Hardness must be
A certain grade of steel is graded according to the following conditions: (i) Hardness must be greater than 50 (ii) Carbon content must be less than 0.7 (iii) Tensile strength must be greater than 560...
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Posted By: Open E-School
Posted On: 2017-04-13

A library charges a fine for every book returned late. For first 5 days the fine is 50 paise
A library charges a fine for every book returned late. For first 5 days the fine is 50 paise, for 6-10 days fine is one rupee and above 10 days fine is 5 rupees. If you return the book after 30 days y...
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Posted By: Open E-School
Posted On: 2017-04-13

Any character is entered through the keyboard, write a program to determine whether the character
Any character is entered through the keyboard, write a program to determine whether the character entered is a capital letter, a small case letter, a digit or a special symbol. The following table sho...
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Posted By: Open E-School
Posted On: 2017-04-13

A machine is purchased which will produce earning of Rs. 1000 per year while
A machine is purchased which will produce earning of Rs. 1000 per year while it lasts. The machine costs Rs. 6000 and will have a salvage of Rs. 2000 when it is condemned. If 12 percent per annum can...
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Posted By: Open E-School
Posted On: 2017-04-14

According to a study, the approximate level of intelligence of a person can be
According to a study, the approximate level of intelligence of a person can be calculated using the following formula: i = 2 + ( y + 0.5 x ) Write a program, which will produce a table of values of i,...
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Posted By: Open E-School
Posted On: 2017-04-14

A 5-digit positive integer is entered through the keyboard,write a recursive
A 5-digit positive integer is entered through the keyboard,write a recursive and non-recursive function to calculate sum of digits of the 5-digit number.Solution -:
#include#includev...
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Posted By: Open E-School
Posted On: 2017-04-14

A positive integer is entered through the keyboard, write a program to obtain
A positive integer is entered through the keyboard, write a program to obtain the prime factors of the number. Modify the function suitably to obtain the prime factors recursively.Solution -:
#include...
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Posted By: Open E-School
Posted On: 2017-04-14

A positive integer is entered through the keyboard, write a function to find
A positive integer is entered through the keyboard, write a function to find the binary equivalent of this number using recursion.Solution -:
#include#includevoid main() {int num;clr...
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Posted By: Open E-School
Posted On: 2017-04-14

A dequeue is an ordered set of elements in which elements may be inserted
A dequeue is an ordered set of elements in which elements may be inserted or retrieved from either end.Using an array simulate a dequeue of characters and the operations retrieve left,retrieve right,i...
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Posted By: Open E-School
Posted On: 2017-04-14

A 6 x 6 matrix is entered through the keyboard and stored in a 2-dimensional
A 6 x 6 matrix is entered through the keyboard and stored in a 2-dimensional array mat[7][7]. Write a program to obtain the Determinant values of this matrix.
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Posted By: Open E-School
Posted On: 2017-04-14

Average
AVERAGE
The average of a group of numbers is the result you get by adding the group of numbers and then dividing the sum of numbers by the number of records.
Therefore, Average = Sum of observat...
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Posted By: Open E-School
Posted On: 2017-06-02

Area of triangle
A three-sided polygon is called Triangle. Each triangle has three sides and three angles.
Area of a triangle = √s (s-a) (s-b) (s-c) , where a,b,c are the sides of tria...
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Posted By: Open E-School
Posted On: 2017-06-05

Alligation or Mixture
Alligation is the rule that help us to find the required mixture of a desired price when two or more ingredients are mixed in a definite ratio at the given price.
Mean price is the cost price of a ...
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Posted By: Open E-School
Posted On: 2017-06-02

Area
The amount of two - dimensional space taken up by an object is called the Area of an object. For eg- : The shaded part in the rectangle form its area as shown below -:
The distance around a two - ...
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Posted By: Open E-School
Posted On: 2017-06-06

Area of Rectangle
A Rectangle is a quadrilateral whose opposite sides are equal & parallel and all the four angles are right angles.
Both the diagonals of a rectangle are equal and bisect each other.
Area of...
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Posted By: Open E-School
Posted On: 2017-06-05

Area of circle,semi-circle & sector
A circle is a round plane figure whose boundary consists of points equidistant from a fixed point called the centre of the circle and the constant distance is called the radius of the circle.
The lin...
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Posted By: Open E-School
Posted On: 2017-06-19

Area of parallelogram
A parallelogram is a quadrilateral whose opposite sides are equal & parallel and opposite angles are equal.For eg-: ABCD is a parallelogram with base (b) and height (h).
Area of parallelogram = B...
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Posted By: Open E-School
Posted On: 2017-06-19

Area of rhombus and trapezium
AREA OF RHOMBUS
A rhombus is a parallelogram with four equal sides and opposite equal angles. The diagonals of a rhombus are unequal and bisect each other at right angles.
Area of rhombus(ABCD) = B...
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Posted By: Open E-School
Posted On: 2017-06-19

Area of Square
A square is a quadrilateral all the sides are equal and all the angles are right angles. For eg - ABCD is a square with each side ‘a’.
Area of square = side x side
= a x a...
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Posted By: Open E-School
Posted On: 2017-06-05

Addition and Difference Series
Addition Series
The series in which next term is obtained by adding a specific number to the previous term, is known as addition series. Addition terma are increasing order series and difference bet...
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Posted By: Open E-School
Posted On: 2017-06-07

Average - Solved Examples
Solved Examples
1. The average of four consecutive even numbers is 27. Find the largest of these numbers.
Solution -:
Let the numbers be x, x + 2, x + 4 and x + 6. Then,
$\frac {x + (x + 2) + (x +...
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Posted By: Open E-School
Posted On: 2017-06-08

Alternating Series
Alternating Series
In alternating series, successive terms increase or decrease alternately. The possibilities of alternating series are -
It is a combination of two different series.
Two different...
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Posted By: Open E-School
Posted On: 2017-06-08

Area of circle,semi-circle & sector - Solved Examples
SOLVED EXAMPLES OF AREA OF CIRCLE,SEMI-CIRCLE AND SECTOR
1. Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq. metres.
Solution -:
...
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Posted By: Open E-School
Posted On: 2017-06-19

Area of Square - Solved Examples
SOLVED EXAMPLES OF AREA OF SQUARE
1. The perimeters of two squares are 40 cm and 32 cm. Find the primeter of a third square whose area is equal to the difference of the areas of the two squares.
S...
Total Views: 0
Posted By: Open E-School
Posted On: 2017-06-19

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