ibps-rrb-os1 2020 · Question 65 of 176

Calculate the area of the square whose perimeter is equal to the perimeter of a rectangle which has length 24 cm & breadth 6cm .

Quantitative Aptitude (misc)

A225 cm²Correct
B100 cm²
C361 cm² IBPS RRB Scale I Officer 2020 Mains Previous Year Paper
D144 cm²
ENone of these

Answer: A. 225 cm²

Explanation

L = 24 cm & B = 6 cm Perimeter of a square = Perimeter of a rectangle 4a =2(L + B) or 4a = 2(24 + 6)= 2 × 30 = 60 So a = 60/4 = 15 Hence area of the square = a 2 = 15 = 225 cm 2

Source: IBPS RRB PO (Scale 1) Officer 2020 Mains Previous Year Paper — Answer Key & Detailed Solutions (memory-based compilation, ixamBee) · memory-based

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