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If a % is the discount per cent on a marked price x, then discount
asked
Jan 17, 2022
in
8th-maths
marks1
chapter9
#mcq
0
votes
0
answers
Percentages are _________ to fractions with _________ equal to
asked
Jan 17, 2022
in
8th-maths
marks1
chapter9
#fib
0
votes
0
answers
Compound interest is the interest calculated on the previous year’s
asked
Jan 17, 2022
in
8th-maths
marks1
chapter9
#tnf
0
votes
0
answers
Three times a number is 200% increase in the number, then one-third of the same number is 200% decrease in the
asked
Jan 17, 2022
in
8th-maths
marks1
chapter9
#tnf
0
votes
0
answers
Simple interest on a given amount is always less than or equal to the compound interest on the same amount for the same time period and at the same rate of interest per
asked
Jan 17, 2022
in
8th-maths
marks1
chapter9
#tnf
0
votes
0
answers
In 2007 – 08, the number of students appeared for Class X examination was 1,05,332 and in 2008–09, the number was 1,16,054. If 88,151 students pass the examination in 2007–08 and 103804 students in 2008–09. What is the increase or decrease in pass % in Class X
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
In the year 2001, the number of malaria patients admitted in the hospitals of a state was 4,375. Every year this number decreases by 8%. Find the number of patients in
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
If principal = Rs 1,00,000. rate of interest = 10% compounded half yearly. Find Interest for next 6
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Ayesha announced a festival discount of 25% on all the items in her mobile phone shop. Ramandeep bought a mobile phone for himself. He got a discount of Rs 1,960. What was the marked price of the mobile
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Find the difference between Compound Interest and Simple Interest on Rs 45,000 at 12% per annum for 5
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Music CD originally priced at Rs 120 is on sale for 25% off. What is the S.P.? Sonia and Rahul have different ways of calculating the sale price for the items they bought. As you work on the next problem, try both of these methods to see which you
asked
Jan 17, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
answers
Store A and Store B both charge Rs 750 for a video game. This week the video game is on sale for Rs 600 at Store B and for 25% off at Store A. At which store is the game less
asked
Jan 17, 2022
in
8th-maths
marks4
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 17, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
answers
With the decrease in prices of tea by 15% Tonu, the chaiwallah, was able to buy 2 kg more of tea with the same Rs 45 that he spent each month on buying tea leaves for his chai shop. What was the reduced price of tea? What was the original price of tea?
asked
Jan 17, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
answers
Under the condition that the temperature remains constant, the volume of gas is inversely proportional to its pressure. If the volume of gas is 630 cubic centimetres at a pressure of 360 mm of mercury, then what will be the pressure of the gas if its volume is 720 cubic centimetres at the same
asked
Jan 17, 2022
in
8th-maths
marks2
chapter13
#sub
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 17, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
If 45 persons can complete a work in 20 days, then the time taken by 75 persons will be ______
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
If d varies directly as `t^2`, then we can write `dt^2` = k, where k is some
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#tnf
0
votes
0
answers
The number of workers and the time to complete a job is a case of direct
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#tnf
0
votes
0
answers
(i) Number of students in a hostel and consumption of food. (ii) Area of the walls of a room and the cost of white washing the walls. (iii) The number of people working and the quantity of work. (iv) Simple interest on a given sum and the rate of interest. (v) Compound interest on a given sum and the sum
asked
Jan 17, 2022
in
8th-maths
marks2
chapter13
#sub
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