Questions by sumit

0 votes

0 answers

If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

(i) The quantity of rice and its cost. (ii) The height of a tree and the number of years. (iii) Increase in cost and number of shirts that can be purchased if the budget remains the same. (iv) Area of land and its cost. (v) Sales Tax and the amount of the

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

If x varies inversely as y and x = 20 when y = 600, find y when x =

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The mass of an aluminium rod varies directly with its length. If a 16 cm long rod has a mass of 192 g, find the length of the rod whose mass is 105

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Kusum always forgets how to convert miles to kilometres and back again. However she remembers that her car’s speedometer shows both miles and kilometres. She knows that travelling 50 miles per hour is same as travelling 80 kilometres per hour. To cover a distance of 200 km, how many miles Kusum would have to

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Find the area of a rhombus whose one side measures 5 cm and one diagonal as 8

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The volume of a cube is 64 `cm^3`. Its surface area

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Two cuboids with equal volumes will always have equal surface

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Find the area of the shaded portion in the following

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Find the volume of each of the given figure if volume = base area `xx`height.

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Radius of a cylinder is r and the height is h. Find the change in the volume if the (a) height is doubled. (b) height is doubled and the radius is halved. (c) height remains same and the radius is

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

A cuboidal tin box opened at the top has dimensions `20 cm xx 16 cm xx 14 cm`. What is the total area of metal sheet required to make 10 such

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

A cylindrical tank has a radius of 154 cm. It is filled with water to a height of 3 m. If water to a height of 4.5 m is poured into it, what will be the increase in the volume of water in

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

How many bricks of size `22 cm xx 10 cm xx 7 cm` are required to construct a wall 11m long, 3.5 m high and 40 cm thick, if the cement and sand used in the construction occupy `(1/10)^(th)` part of the

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The table given below shows the temperatures recorded on a day at different times. Observe the table and answer the following questions. (a) What is the temperature at 8 am?(b) At what time is the temperature

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The following graph shows the journey made by two cyclists, onefrom town A to B and the other from town B to A. (a)How far had cyclist II travelled when he met cyclist

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The table shows the data collected for Dhruv’s walking on a road. Time(in minutes) 0 5 10 15 20 25 Distance (in km) 0 0.5 1 1.25 1.5 1.75 (a) Plot a line graph for the given data using a suitable scale.(b) In what time periods did Dhruv make the most

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

The graph given below compares the price (in Rs) and weight of 6 bags (in kg) of sugar of different brands A, B, C, D, E, F. (a) Which brands are heavier than brand B?(b) Which bag is the lightest?(c) Which bags are of the same

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

Sonal and Anmol then made another sequence of the designs. Three of the designs are shown below.(a) Complete the table. Rows, r 4 6 8 Number of white Tiles, w 9 Number of Purple Tiles, p 1 (b) Draw a graph of rows and number of white tiles. Draw another graph of the number of rows and the number of purple tiles. Put the number of rows on the horizontal axis.(c) Which graph is

asked Jan 17, 2022 in 8th-maths

0 votes

0 answers

__________ displays data that changes continuously over periods of

asked Jan 17, 2022 in 8th-maths

Questions by sumit

Categories