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Four times a number is a _________ % increase in the
asked
Jan 17, 2022
in
8th-maths
marks1
chapter9
#fib
0
votes
0
answers
The compound interest on a sum of Rs P for T years at R% per annum compounded annually is given by the formula
asked
Jan 17, 2022
in
8th-maths
marks1
chapter9
#tnf
0
votes
0
answers
An average urban Indian uses about 150 litres of water every day. Activity Litres per person per day. Drinking 3 Cooking 4 Bathing 20 Sanitation 40 Washing clothes 40 Washing utensils 20 Gardening 23 _______________ Total 150 ________________ (a) What per cent of water is used for bathing and sanitation together per day? (b) How much less per cent of water is used for cooking in comparison to that used for bathing? (c) What per cent of water is used for drinking, cooking and gardening
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Ashima sold two coolers for Rs 3,990 each. On selling one cooler she gained 5% and on selling the the other she suffered a loss of 5%. Find her overall gain or loss % in whole
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
A real estate agent receives Rs 50,000 as commission, which is 4% of the selling price. At what price does the agent sell the
asked
Jan 17, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
answers
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 17, 2022
in
8th-maths
marks4
chapter9
#sub
0
votes
0
answers
Side of a rhombus and its perimeter are in ______
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
Both u and v vary directly with each other. When u is 10, v is 15, which of the following is not a possible pair of corresponding values of u and
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#mcq
0
votes
0
answers
By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#mcq
0
votes
0
answers
Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#mcq
0
votes
0
answers
If the distance travelled by a rickshaw in one hour is 10 km, then the distance travelled by the same rickshaw with the same speed in one minute
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#mcq
0
votes
0
answers
Both x and y vary directly with each other and when x is 10, y is 14, which of the following is not a possible pair of corresponding values of x and
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#mcq
0
votes
0
answers
If xy = 10, then x and y vary ______ with each
asked
Jan 17, 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 17, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
If 12 pumps can empty a reservoir in 20 hours, then time required by 45 such pumps to empty the same reservoir is ______
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#fib
0
votes
0
answers
If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#tnf
0
votes
0
answers
For fixed time period and rate of interest, the simple interest is directly proportional to the
asked
Jan 17, 2022
in
8th-maths
marks1
chapter13
#tnf
0
votes
0
answers
A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this
asked
Jan 17, 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 17, 2022
in
8th-maths
marks2
chapter13
#sub
0
votes
0
answers
A packet of sweets was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child
asked
Jan 17, 2022
in
8th-maths
marks3
chapter13
#sub
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