76. Write CDXXIX in Hindu-Arabic numeral
(A) 492 (B) 429 (C) 529 (D) 592
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77. If the diameter of a circle is 11 cm then its radius would be
(A) 22 cm (B) 11 cm (C) 5.5 cm (D) 4.5 cm
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78. Ahmad bought a bat for Rs. 400 and sold it for Rs. 500. Find his gain percentage
(A) 25% (B) 20% (C) 15% (D) 10%
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79. A man borrowed Rs. 500 and paid back Rs. 600 after 2 Years. The rate of interest is
(A) 20% (B) 15% (C) 12% (D) 10%
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80. The perimeter of a square is 36 cm, then its area is
(A) 36 cm² (B) 48 cm² (C) 18 cm² (D) 181 cm²
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