alleryযদি A = 60% এর B এবং B = 60 এর 40% হয়, তাহলে A খুঁজুন।
A90
B70
C60
D100
Answer & Solution
Correct answer: A. 90
1. A এর 40% = B এর 60%, তাই 0.4A = 0.6 * 60 = 36।
2. A = 36 / 0.4 = 90।
3. সুতরাং A = 90।
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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