0 votes 0 votes If $(0.0256) \div 0.064 \times (0.4)^{8} = (0.4)^{x} \times 0.16,$ the value of $x$ is : $5$ $6$ $7$ $4$ Quantitative Aptitude nielit2022feb-scientistd + – Lakshman Bhaiya asked Jul 22, 2022 • edited Aug 27, 2022 by Lakshman Bhaiya Lakshman Bhaiya 13.7k points 359 views answer comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes Givne that : $0.0256\div 0.064\times(0.4)^8=(0.4)^x\times0.16$ $\implies 0.4\times (0.4)^8=(0.4)^x\times (0.4)^2$ $\implies (0.4)^9=(0.4)^x+2$ $\implies 9=x+2\implies x=7$ Option (C) is correct. Hira Thakur answered Sep 4, 2022 Hira Thakur 7.2k points comment Share See all 0 reply Please log in or register to add a comment.