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What price should a shopkeeper mark on an article that costs him Rs 600 to gain 20%, after allowing a discount of
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Brinda purchased 18 coats at the rate of Rs 1,500 each and sold them at a profit of 6%. If customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer and what will be the total profit earned by Brinda after selling all
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
At a toy shop price of all the toys is reduced to 66% of the original price. (a) What is the sale price of a toy that originally costs Rs 90? (b) How much money would you save on a toy costing Rs
asked
Jan 18, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
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Below is the Report Card of Vidit Atrey. Vidit’s teacher left the last column blank. Vidit is not able to make out, in which subject he performed better and in which he needs improvement. Complete the table to help Vidit know his comparative performance.
asked
Jan 18, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
answers
The human body is made up mostly of water. In fact, about 67% of a person’s total body weight is water. If Jyoti weights 56 kg, how much of her weight is
asked
Jan 18, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
answers
Amrita takes 18 hours to travel 720 kilometres. Time taken by her to travel 360 kilometres is
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
When two quantities x and y are in inverse proportion, then `x/y` is a
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#tnf
0
votes
0
answers
Both x and y are said to vary ______ with each other if for some positive number k, xy =
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding values remains
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
A car is travelling 48 km in one hour. The distance travelled by the car in 12 minutes is
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
In case of inverse proportion, `(a_2)/−
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
If one angle of a triangle is kept fixed then the measure of the remaining two angles vary inversely with each other. 54. When two quantities are related in such a manner that, if one increases, the other also increases, then they always vary
asked
Jan 18, 2022
in
8th-maths
marks1
chapter13
#tnf
0
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0
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(i) The time taken by a train to cover a fixed distance and the speed of the train. (ii) The distance travelled by CNG bus and the amount of CNG used. (iii) The number of people working and the time to complete a given work. (iv) Income tax and the income. (v) Distance travelled by an auto-rickshaw and time
asked
Jan 18, 2022
in
8th-maths
marks2
chapter13
#sub
0
votes
0
answers
From the following table, determine if x and y are in direct proportion or not. x 4 7 10 16 y 24 42 60 96
asked
Jan 18, 2022
in
8th-maths
marks2
chapter13
#sub
0
votes
0
answers
If a and b vary inversely to each other, then find the values of p, q, r ; x, y, z and l, m, n. a 6 8 q 25 b 18 p 39 r
asked
Jan 18, 2022
in
8th-maths
marks2
chapter13
#sub
0
votes
0
answers
The table shows the time four elevators take to travel various distances. Find which elevator is fastest and which is slowest. Distance (m) Time (sec.) Elevator- A Elevator- B Elevator- C Elevator- D 43544813085 2928105 How much distance will be travelled by elevators B and C seperately in 140 sec? Who travelled more and by how
asked
Jan 18, 2022
in
8th-maths
marks3
chapter13
#sub
0
votes
0
answers
A cube of side 5 cm is painted on all its faces. If it is sliced into 1 cubic centimetre cubes, how many 1 cubic centimetre cubes will have exactly one of their faces
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#mcq
0
votes
0
answers
If the radius of a cylinder is tripled but its curved surface area is unchanged, then its height will
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#mcq
0
votes
0
answers
A cube of side 5 cm is cut into 1 cm cubes. The percentage increase in volume after such cutting is
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#fib
0
votes
0
answers
Opposite faces of a cuboid are _________ in
asked
Jan 18, 2022
in
8th-maths
marks1
chapter11
#fib
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