Question

the edge of cube is increased by 40%.the % increased in the surface area is (a)40. (b)96. (c)160. (d) 240​

Answer 1

Answer:

c

because we know one trick to solve this problem is that 2R +R^2/100

40×2 +1600/100

80+16

96% answer

Answer 2

Answer:

Your answer is option b). 96 %

I hope it helps

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