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Shyama purchases a scooter costing Rs 36,450 and the rate of sales tax is 9%, then the total amount paid by her

asked Jan 17, 2022 in 8th-maths

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Radhika bought a car for Rs 2,50,000. Next year its price decreased by 10% and further next year it decreased by 12%. In the two years overall decrease per cent in the price of the car

asked Jan 17, 2022 in 8th-maths

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15% increase in price of an article, which is Rs 1,620, is the increase of Rs

asked Jan 17, 2022 in 8th-maths

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The time period after which the interest is added each time to form a new principal is called the

asked Jan 17, 2022 in 8th-maths

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If amount on the principal of Rs 6,000 is written as 6000 `(1+5/100)^3` and compound interest payable half yearly, then rate of interest p.a. is _________ and time in years is

asked Jan 17, 2022 in 8th-maths

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Additional expenses made after buying an article are included in the cost price and are known as Value Added

asked Jan 17, 2022 in 8th-maths

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In case of loss, C.P. = `(100 xx S.P.)/(100 +

asked Jan 17, 2022 in 8th-maths

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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

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Devangi’s phone subscription charges for the period 17-02-09 to 16-03-09 were as follows : Period Amount (in Rs) Service Tax % 17-02-09 to 23-02-09 199.75 12 24-02-09 to 16-03-09 599.25 10 Find the final bill amount if 3% education cess was also charged on service

asked Jan 17, 2022 in 8th-maths

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If principal = Rs 1,00,000. rate of interest = 10% compounded half yearly. Find Interest for 6

asked Jan 17, 2022 in 8th-maths

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Achal bought a second-hand car for Rs 2,25,000 and spend Rs 25,000 for repairing. If he sold it for Rs 3,25,000, what is his profit per

asked Jan 17, 2022 in 8th-maths

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Rahim borrowed Rs 10,24,000 from a bank for one year. If the bank charges interest of 5% per annum, compounded half-yearly, what amount will he have to pay after the given time period. Also, find the interest paid by

asked Jan 17, 2022 in 8th-maths

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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

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Sunscreens block harmful ultraviolet (UV) rays produced by the sun. Each sunscreen has a Sun Protection Factor (SPF) that tells you how many minutes you can stay in the sun before you receive one minute of burning UV rays. For example, if you apply sunscreen with SPF 15, you get 1 minute of UV rays for every 15 minutes you stay in the sun. 1. A sunscreen with SPF 15 allows only `1/15` of the sun’s UV rays. What per cent of UV rays does the sunscreen abort? 2. Suppose a sunscreen allows 25% of the sun’s UV rays. a.

asked Jan 17, 2022 in 8th-maths

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Madhu’s room measures 6m × 3m. Her carpet covers 8m2. What per cent of floor is covered by the

asked Jan 17, 2022 in 8th-maths

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The number of teeth and the age of a person

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If xy = 10, then x and y vary ______ with each

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When two quantities x and y are in _______ proportion or vary ______ they are written as `x prop

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When the speed remains constant, the distance travelled is ______ proportional to the

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(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

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