SSC_CPO_Similar_10_Dec_2025_S1_Q149

Question:

The surface area of a cuboid is 236 cm² and its dimensions are 6 cm, 7 cm, and h cm. Find h.

एक घनाभ का पृष्ठीय क्षेत्रफल 236 सेमी² है और इसके आयाम 6 सेमी, 7 सेमी और h सेमी हैं। h ज्ञात कीजिए।

Options:

  • a) 5.85 cm
  • b) 6.80 cm
  • c) 7.50 cm
  • d) 8 cm
  • a) 5.85 सेमी
  • b) 6.80 सेमी
  • c) 7.50 सेमी
  • d) 8 सेमी

correct answer : a)

Explanation:

Surface Area = 2(lb + bh + hl) = 236. 2(6*7 + 7*h + h*6) = 236 => 42 + 13h = 118 => 13h = 76 => h = 76/13 ≈ 5.85 cm.

पृष्ठीय क्षेत्रफल = 2(lb + bh + hl) = 236. 2(6*7 + 7*h + h*6) = 236 => 42 + 13h = 118 => 13h = 76 => h = 76/13 ≈ 5.85 सेमी।

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