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A pole casts a √3 m long shadow on the ground at an elevation 60°, the height of the pole is-
উত্তর
3 m
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If the difference between the circumference and diameter of a circle is 90 cm, then the radius approximately is-
উত্তর
21 cm
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If the length of a side of a regular pentagon is 4 cm, the area of the pentagon is approximately-
উত্তর
27 cm 2
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All possible three digit numbers are formed by 1, 3, 5. If one number is chosen randomly, the probability that it would be divisible by 5 is –
উত্তর
1/3