Questions by krutika

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The digits of a two-digit number differ by 3. If the digits are interchanged, and the resulting number is added to the original number, we get 143. What can be the original

asked Jan 17, 2022 in 8th-maths

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Amina thinks of a number and subtracts `5/2` from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the

asked Jan 17, 2022 in 8th-maths

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Sum of the digits of a two-digit number is 9. When we interchange the digits, it is found that the resulting new number is greater than the original number by 27. What is the two-digit

asked Jan 17, 2022 in 8th-maths

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Half of a herd of deer are grazing in the field and three fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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0.25(4f – 3) = 0.05(10f –

asked Jan 17, 2022 in 8th-maths

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What is the sum of the measures of the angles of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and

asked Jan 17, 2022 in 8th-maths

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Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.) What can you say about the angle sum of a convex polygon with number of sides?

asked Jan 17, 2022 in 8th-maths

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Find the measure of each exterior angle of a regular polygon of 9

asked Jan 17, 2022 in 8th-maths

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In a parallelogram RING, (Fig ) if `m∠R` = 70°, find all the other angles.

asked Jan 17, 2022 in 8th-maths

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Can a quadrilateral ABCD be a parallelogram if AB = DC = 8 cm, AD = 4 cm and BC = 4.4

asked Jan 17, 2022 in 8th-maths

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Can a quadrilateral ABCD be a parallelogram if ∠A = 70° and ∠C =

asked Jan 17, 2022 in 8th-maths

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State whether True or False. All rhombuses are

asked Jan 17, 2022 in 8th-maths

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Explain how a square is. a

asked Jan 17, 2022 in 8th-maths

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Name the quadrilaterals whose diagonals. are

asked Jan 17, 2022 in 8th-maths

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Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube. 256

asked Jan 17, 2022 in 8th-maths

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The list price of a frock is Rs 220. A discount of 20% is announced on sales. What is the amount of discount on it and its sale

asked Jan 17, 2022 in 8th-maths

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The price of a TV is Rs 13,000. The sales tax charged on it is at the rate of 12%. Find the amount that Vinod will have to pay if he buys

asked Jan 17, 2022 in 8th-maths

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Calculate the amount and compound interest on Rs 10,800 for 3 years at `12 1/2%` per annum compounded

asked Jan 17, 2022 in 8th-maths

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Calculate the amount and compound interest on Rs 62,500 for `1 1/2` years at 8% per annum compounded half

asked Jan 17, 2022 in 8th-maths

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