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ব্যাংক স্পেশাল
Quantitative Aptitude
Exponent & Logarithm
Subject
Quantitative Aptitude
Topic
Exponent & Logarithm
If 4a+ 4a+1= 4(a+2)- 176, what is the value of a?
Reading
ক)
2
খ)
4
গ)
6
ঘ)
8
Explanation
4 a + 4 a+1 = 4 (a+2) - 176 or, 4 a +4 a+1 -4 a+2 = -176 or, 4 a +4 a .4 1 -4 a .4 2 = -176 or, 4 a ×(1+4-16)=-176 or, 4 a ×(-11)=-11×16 or, 4 a =4 2 So, a=2
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