Solve: `9/11 - 4/15`

Concept: Concept of Fractions

Solve: `7/10 + 2/5 + 3/2`

Concept: Concept of Fractions

Solve: `2 2/3 + 3 1/2`

Concept: Concept of Fractions

Solve: `8 1/2 - 3 5/8`

Concept: Concept of Fractions

Arrange the given in descending order:

`2/9, 2/3,8/21`

Concept: Concept of Fractions

Arrange the given in descending order:

`1/5, 3/7, 7/10`

Concept: Concept of Fractions

In a “magic square”, the sum of the numbers in each row, in each column and along

the diagonals is the same. Is this a magic square?

`4/11` | `9/11` | `2/11` |

`3/11` | `5/11` | `7/11` |

`8/11` | `1/11` | `6/11` |

(Along the first row `4/11 +9/11 + 2/11 = 15/11`)

Concept: Concept of Fractions

A rectangular sheet of paper is 12 `1/2` cm long and 10 `2/3` cm wide Find its perimeter.

Concept: Concept of Fractions

Find the perimeters of (i) ΔABE (ii) the rectangle BCDE in this figure. Whose perimeter is greater?

Concept: Concept of Fractions

Salil wants to put a picture in a frame. The picture is 7 `3/5` cm wide. To fit in the frame the picture cannot be more than 7 `3/10` cm wide. How much should the picture be trimmed?

Concept: Concept of Fractions

Ritu ate `3/5` part of an apple and the remaining apple was eaten by her brother Somu. How much part of the apple did Somu eat? Who had the larger share? By how much?

Concept: Concept of Fractions

Michael finished `7/2` a picture in `7/12` hour. Vaibhav finished colouring the same picture in `3/4` hour. Who worked longer? By what fraction was it longer?

Concept: Concept of Fractions

Find the value of:2^{6}

Concept: Concept of Exponents

Find the value of:9^{3}

Concept: Concept of Exponents

Find the value of: 11^{2}

Concept: Concept of Exponents

Find the value of: 5^{4}

Concept: Concept of Exponents

Express the given in exponential form:

6 × 6 × 6 × 6

Concept: Concept of Exponents