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If a = – 1, b = 2, then find the value of the following: (1) `a^b + b^a` (2) `a^b – b^a` (3) `a^b xx b^2` (4) `a^b ¸

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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A shirt with marked price Rs 800 was sold at Rs 680. The rate of discount allowed on the shirt

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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A number is increased by 20% and then it is decreased by 20%. Find the net increase or decrease per

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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Suppose for the principal P, rate R% and time T, the simple interest is S and compound interest is C. Consider the

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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_________ is a reduction on the marked price of the

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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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 by nishit (1.8k points)

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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 by Arun (1.7k points)

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The discount on an item for sale is calculated on the

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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The loss per cent on selling 140 geometry boxes at the loss of S.P. of 10 geometry boxes is equal to

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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2500 is greater than 500 by

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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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 by Simran (1.8k points)

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The cost of a book marked at Rs 190 after paying a sales tax of 2% is Rs

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Find the S.P. if (a) M.P. = Rs 5450 and discount = 5% (b) M.P. = Rs 1300 and discount =

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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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 by nishit (1.8k points)

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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 by Simran (1.8k points)

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A new computer costs Rs 1,00,000. The depreciation of computers is very high as new models with better technological advantages are coming into the market. The depreciation is as high as 50% every year. How much will the cost of computer be after two

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Lemons were bought at Rs 48 per dozen and sold at the rate of Rs 40 per 10. Find the gain or loss per

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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If the price of petrol, diesel and LPG is slashed as follows: Fuel Old prices/litre (in Rs) New price/litre (in Rs) % Decrease Petrol / LDiesel / LLPG/14.2kg 45.6232.86304.70 40.6230.86279.70 ______________________________ Complete the above

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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A dining table is purchased for Rs 3,200 and sold at a gain of 6%. If a customer pays sales tax at the rate of 5%. How much does the customer pay in all for the

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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A lady bought an air-conditioner for Rs 15,200 and spent Rs 300 and Rs 500 on its transportation and repair respectively. At what price should she sell it to make a gain of

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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