`1times2times3+2times3times4+3times4times5+.......`

Solve- xtimesx^2 times x^3 times x^4

Evaluate: (-2) times (-3) times (-1) times (-4) times (-7)

Evaluate: (-3) times (-4) times (-6) times 7 times (-2)

Evaluate: (-3) times (-4) times (-5) times (-6) times 7

Evaluate: a. (12 times (-15) times (24))/((-3) times 5) b. 90 times (-4) +405 div [110-{25-(25 times2)}]

Evaluate the following : (i) 2/5 times 3/7" (ii) " 3/5 times 8/9" (iii) " 7 times 1""2/3 .

Evaluate: (5 times (-4) times (-6))/(-3)

Evaluate the following : (i) 2/3 times 9/16" (ii) " 3/7 times 1""3/4 .

Simplify : 4/9 times 7/6 times 3/5 + 2/3 of 27.

((2)/(3))^(4)times((3)/(2))^(5)times((5)/(3))^(-2)times((3)/(5))^(-3)