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0:01:44

Find the cost of polishing a circular table-top of diameter 1.6 m, if the rate of polishing is ` 15/

0:01:43

Find the perimeter of the adjoining figure, which is a semicircle including its diameter.

0:02:02

Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m.Find the length of

0:01:45

From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remai

0:01:42

if the circumference of a circular sheet is 154m, find its radius. Also find the area of the sheet.

0:02:09

find the area of circle for following class 7 ch - perimeter and area

0:01:26

find the circumference of following radius class 7 Perimeter and area

0:02:11

∆ABC is right angled at A (Fig 9.16). AD is perpendicular to BC. If AB = 5 cm,BC = 13 cm and AC = 12

0:01:54

DL and BM are the heights on sides AB and AD respectively of parallelogram ABCD (Fig 9.15). If the a

0:02:12

PQRS is a parallelogram (Fig 9.14). QM is the height from Q to SR and QN is the height from Q to PS.

0:01:40

find the value of following divides class 7th ch 8 EX 8.2 Q4

0:01:05

find the product class 7th ch rational number EX 8.2 Q 3

0:00:59

find -6/13 - (- 7/15)

0:00:54

find -2 1/9 - 6

0:00:56

find -3/8 - 7/11

0:01:49

find i) 7/24 - 17/36 class 7th EX - 8.2

0:02:04

Write the following rational numbers in ascending order: (i) -3/5, -2/5, -1/5

0:01:19

Which is greater in each of the following: (i) 2/3, 5/2

0:01:17

Fill in the boxes with the correct symbol out of , , and =.(i) -5/7 [ ] 2/3

0:01:12

Rewrite the following rational numbers in the simplest form: (i) -8/6

0:01:37

Which of the following pairs represents the same rational number?(i) (-7/21) and (3/9)

0:01:53

The points P, Q, R, S, T, U, A and B on the number line are such that, TR = RS = SU and AP = PQ = QB

0:01:54

Give four rational numbers equivalent to:(i) -2/7

0:01:51

Write four more rational numbers in each of the following patterns:(i) -3/5, -6/10, -9/15, -12/20,