[" 5."287times287-2times287times269+269times269=?],[[" (a) "556," (b) "446," (c) "354]]

Is [(-5)times2)]times3 = (-5)times[(2times3)] ?

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

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

solve it : (ii) (-3)/(5)times(-3)/(5)times(-3)/(5)times(-3)/(5) (iii) (-9)/(2)times(4)/(2)times(-4)/(2)times(-4)/(2)times(-4)/(2)times(-4)/(2) (iv) (-5)/(3)times(-5)/(3)times(-5)/(3)times(-5)/(3) (v) (-6)/(2)times(-6)/(2)times(-6)/(2)times(-6)/(2)times(-6)/(2)

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

7 23 58 127 269 555

The standard deviation of first 10 natural numbers is (a) 8.25 (b) 6.5 (c) 3.87 (d) 2.87

The standard deviation of first 10 natural numbers is (a) 8.25 (b) 6.5 (c) 3.87 (d) 2.87

The standard deviation of first 10 natural numbers is a) 8.25 (b) 6.5 (c) 3.87 (d) 2.87

Consider the numbers 1,2,3,4,5,6,7,8,9,10. If 1 is added to each number, the variance of the numbers so obtained is 6.5 (b) 2.87 (c) 3.87 (d) 2.87