हें . एक पेटी आपली पेन 3/5 वता, मागीर उरिल्ल्या 1/4; 6 जोडल्यार सुरवातीची संख्या अर्दी जाता; सुरवातीची गणना?
A36
B24
C30
D40
Answer & Solution
Correct answer: C. 30
हें .
दोनूय काडल्या उपरांत पेनांचे 3/10 उरतात, देखून 6 पेन सुरवातीच्या गणनेच्या 1/2 − 3/10 = 1/5 इतलीच आसता, जी 30 आशिल्ली.
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