Which of the following are true?
`lfloor3+4 = lfloor3+lfloor4`

Which of the following is not true for CoF_6^(3-) ?

Say which of the following is true and false The chemical formula of chromium chloride and chromium sulphate are CrCl_3 and Cr_2(SO_4)_3 respectively.

Let f(x)={{:(x^(2)-4x+3",", x lt 3),(x-4",", x ge 3):} and g(x)={{:(x-3",", x lt 4),(x^(2)+2x+2",", x ge 4):} , which one of the following is/are true? a) (f+g)(3.5)=0 b) f(g(3))=3 c) (fg)(2)=1 d) (f-g)(4)=0

Which of the following statemennts are true ? If a number is divisible by 3,it must be divisible by 9.

Which of the following statemennts jare true ? All numbers which are divisible by 4 must also be divisble by 8.

Which of the following statemennts are true ? All numbers which are divisible by 8 must also be divisible by 4.

Let A = { 1, 2, { 3, 4 }. 6 }. Which of the following statements are incorrect and why? {3, 4} in A

Let A = { 1, 2, { 3, 4 }. 5 }. Which of the following statements are incorrect and why? {3, 4} sub A