Job Solution | পিএসসি ও অন্যান্য নিয়োগ পরীক্ষা

Bangladesh Power Development Board (BPDB) || Assistant Director (Administration) (31-05-2024) || 2024

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গণিত

If 3x - 2y = 8 then 4y - 6x =?

Given that,
3x-2y= 8
or, 3x= 8+2y
or, x= 8+2x/3

4y - 6x
= 4y - 6(8+2y)/3
=4y- 2(8+2y)
= 4y -16 -4y
= -16

If a^x = b, b^y = c and c^z = a then find the value of xyz.

c^z=a

or,(b^y)^z=a

or,b^yz=a

or,(a^x)^yz=a

or,a^xyz=a^1

or,xyz=1

If x = 3^1/3+ 3^{- 1/3} find the value of 3x³ - 9x - 10

The sum of the wages of two workers is Tk. 9,600 per month. If the payment of one worker be decreased by 9% and the payment of the other be increased by 17%, their wages become equal. Find the wages of each worker.

Find the value of $\frac{2 \log 6 + 6 \log 2}{4 \log 2 + \log 27 - \log 9}$

1

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