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Section-E: Mathematics (Qs. 22-26)

A man divided his share between his sons A and B in such a way that the interest received by A at 15% p.a. for 3 years is double the interest received by B at 12% p.a. for 5 years. In what ratio was his share divided?

Here, A = 2B

So,

A*15/100*3 = 2(B*12/100*5)

= A*15/100*3 = 2(B*60/100)

=A*45/~~100~~ = B*120/~~100~~

=45A = 120B

= 3A = 8B

So, A/B = 8/3

Section-E: Mathematics (Qs. 22-26)

In the figure, ABCD is a parallelogram. What is the value of bº?

Section-E: Mathematics (Qs. 22-26)

Two trains 100 meters and 120 meters long are running in the same direction with spoeds of 72 km/hr and 54 km/hr. In how much time will the first train cross the second?

Section-E: Mathematics (Qs. 22-26)

The ages of Rima and Bina are in the ratio of 9:8. After 5 years, the ratio of their ages will be 10:9. What is the difference in their ages?

Section-E: Mathematics (Qs. 22-26)

If, $x + \frac{1}{x} = \sqrt{2}$ , , then what will be value of $x^{4} + \frac{1}{x^{4}} ?$

Job Solution | Bangladesh Bank

বাংলাদেশ ব্যাংক || অফিসার জেনারেল (19-04-2024) || 2024

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