287 `xx` 287 + 269 `xx` 269 - 2 `xx` 287 `xx` 269 = ? 534 (b) 446 (c) 354 (d) 324 None of these

287xx287+269xx269-2xx287xx269=?534(b)446(c)354 (d) 324 None of these

find the value 287xx287+269xx269-2xx287xx269=?

345+25xx0.80-111=?(a)254(b)324 (c) 666 (d) 600 (e) None of these

?xx(|a|xx|b|)=,-ab(a)0quad (b)-1(c)1 (d) None of these

sqrt(.0025)xx sqrt(2.25)xx sqrt(.0001)=?(a).000075 (b) .0075(c).075 (d) None of these

What is the ratio of the number of females in the HR and Accounts departments together to the number of males in the same departments together? (a) 311:269 (b) 268: 319 (c) 269:311 (d) 319:268 (e) None of these

269-12^(2)-3^(3)=x xx2