Simplify:-
`1frac(3)(4)\times 2frac(2)(5)\times 3frac(4)(7)`

Simplify: (-(7)/(9))times(3)/(8)times(-(4)/(7))

If tan^-1 x=y then : (a) -1lt y lt 1 (b) frac(-pi)(2)le y le frac(pi)(2) (c) frac(-pi)(2)lt y lt frac(pi)(2) (d) y in {frac(-pi)(2),frac(pi)(2)}

Simplify the following : 4/5 times 2""3/8-2 times 3/5

Simplify : c. (3)/(5) of ((1)/(15) xx 3 (2)/(5))

Simplify: (-2)^3xx(-10)^3 (ii) (-2)^4xx(-5)^2

Simplify : f. (13)/(7) + 4 (4)/(5) xx (3)/(4) div (7)/(15)

Simplify the following : 4/5 times 2/3 times 2""2/11

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

Simplify : 1 3/4xx 2 2/5xx 3 4/7

Simplify : e. 5 (1)/(3) xx (3)/(8) - (7)/(9) div 2 (1)/(10)