Simplify:\(\sqrt { 12 } \times \sqrt { 3 } \)

Simplify:\(\sqrt { 2\cfrac { 7 }{ 9 } } \)

The area of a square field is 3136 m². Find its perimeter

Find the value of 4⁻³

Simplify: (−2)⁵ x (−2)⁻³

Express 4−5 as a power with the base 2.

Simplify and write the answer in exponential form:
\(\left( -3 \right) ^{ 4 }\times \left( \cfrac { 5 }{ 3 } \right) ^{ 4 }\)

Write in scienticfic form : 642.398

Combine the scientific notations:(3.7 x 10^-5)(2 x 10^-3)

Construct a rhombus LEAF with LE = 6 cm and ∠L = 65°. Also find its area

Construct a rhombus FARM with FR = 7 cm and ㄥF = 80° .Also find its area.

Construct a rectangle LIME with LI = 6 cm and IE = 7 cm. Also find its area.

Construct a square RAMP of a diagonal 8 cm. Also find its area.

The following table gives the number of literate females in the age group 10 to 45 years in a town.

Age group	10-15	16-21	22-27	28-33	34-39	40-45
No. of females	350	920	850	480	230	200

Draw a histogram to represent the above data

The following is the distribution of pocket money of 200 students in a school.

Pocket money	10-20	20-30	30-40	40-50	50-60	60-70	70-80	80-90
Number of Students	25	40	33	28	30	20	16	8

Draw a frequency polygon using histogram.