Calculate: `1-2+3-4+5-6+...+15-16`

Calculate : 9^(-3)xx((16)^(1/4))/(6^(-2))xx((1)/(27))^(-4/3) .

The respective speeds of five molecules are 2, 1.5, 1.6, 1.6 and 1.2 km/sec. The most probable speed in km/sec will be

The respective speeds of five molecules are 2, 1.5, 1.6, 1.6 and 1.2 km/sec. The most probable speed in km/sec will be:

The value of 3 1/5-[2 1/2-{5/6-(2/5+3/10- 4/15)}] is : 3 1/5-[2 1/2-{5/6-(2/5+3/10- 4/15)}] का मान है:-

5 1/5-[3 1/2-{5/6-(3/5+1/10-4/15)}] is equal to :- 5 1/5-[3 1/2-{5/6-(3/5+1/10-4/15)}] का मान किसके बराबर है ?

The value of 6 1/5-[4 1/2-{5/6-(3/5+3/10-7/15)} is 6 1/5-[4 1/2-{5/6-(3/5+3/10-7/15)} का मान क्या है ?

The value of 3 5/6+[3 2/3-{15/4(5 4/5 div 14 1/2)}] is equal to :- 3 5/6+[3 2/3-{15/4(5 4/5 div 14 1/2)}] का मान किसके बराबर है ?