The side of a square is 10 cm. How many times will the new perimeter become if the side of the square is doubled?
(A) 2 times (B) 4 times (C) 6 times (D) 8 times
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By the end of the 19th century,egan accepting t however, change was clearly in the air. People bh new times came new values.
The answer is (D) Reformers
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How many times the word ‘Jana’ occur in the Rigveda? (a) 75 times (b) 175 times (c) 275 times (d) 375 times
(c) The term ‘Jana’ occurs 275 times in the Rigveda. But Janapada is not mentioned. The term Rajya occurs only once.
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Find the side of the square whose perimeter is 20 m.
Perimeter of square = 4 x side ⇒ 20 = 4 x side ⇒ side = 20/4 = 5 cm Thus, the side of square is 5 cm.
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Bhavna runs 10 times around a square field of side 80 m. Her sister Sushmita runs 8 times around a rectangular field
Distance covered by Bhavana in one round = Perimeter of the square field = 4 × side of square field = 4 × 80 m = 320 m Distance covered in 10...
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Area of a square is doubled if the side of the square is doubled.
Area of a square is doubled if the side of the square is doubled. False
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The side of a square is 5cm. How many times does the area increase, if the side of the square is doubled?
4 times area increase.
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Perimeter of a square and a rectangle is same. If a side of the square is 15 cm and one side of the rectangle is 18 cm
Area of the rectangle = 216 sq cm.
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If each edge of a cube is doubled, (i) how many times will its surface area increase? (ii) how many times will its volume increase?
(i) Let initially the edge of the cube be l. Initial surface area = 6l2 If each edge of the cube is doubled, then it becomes 2l. New surface area = 6(2l)2...
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The perimeter of a parallelogram is 22 cm. If the longer side measures 6.5 cm what is the measure of the shorter side?
Let the shorter side be x Perimeter = x + 6.5 + 6.5 + x 22 = 2(x+6.5) 11 = x + 6.5 x = 11 - 6.5 = 4.5 cm Shorter side = 4.5...
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The longest side of a triangle is twice the shortest side and the third side is 2cm longer than the shortest side.
Let the length of shortest side be x cm. According to the given information, Longest side = 2 x Shortest side = 2x cm And third side = 2 + Shortest side =...
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