`sqrt(50)xxsqrt(98)` is equal to (a) 63.75 (b) 65.95 (c) 70 (d) 70.25

sqrt(50)xx sqrt(98) is equal to (a)63.75 (b) 65.95 (c) 70 (d) 70.25

sqrt(110. 25)xxsqrt(0. 01)-:sqrt(0. 0025)-sqrt(420. 25) equals (a) 0.50 (b) 0.64 (c) 0.73 (d) 0.75

75 \xx\ 75+2 \xx\ 75 \xx\ 25+25 \xx\ 25 is equal to=? (a)10000 (b) 6250 (c) 7500 (d) 3750

75 \xx\ 75+2 \xx\ 75 \xx\ 25+25 \xx\ 25 is equal to=? (a)10000 (b) 6250 (c) 7500 (d) 3750

25.The concentration of an aqueous HCl solution 70%" (w/v) with density equal to "1.17" g/mL. molarity of the solution will be : [" (a) "36.5," (b) "18.25],[" (c) "22.05," (d) "4.65

With due regard to significant figures, subtract (a) 0.35 from 7 , (b) 0.65 from 7 ( c ) 0.35 from 7.0 ,(d) 0.65 from 7.0

With due regard to significant figures, subtract (a) 0.35 from 7 , (b) 0.65 from 7 ( c ) 0.35 from 7.0 ,(d) 0.65 from 7.0

sqrt(2025.11)xxsqrt(256.04)+sqrt(399.95)xxsqrt(?) =33.98xx40.11

The pH of rain water, is approximately : a) 5.6 b) 7.5 c) 7.0 d) 6.5

If three numbers are 2a,backslash5a and 7a what will be their LCM? 70a (b) 65a (c) 75a (d) 70a^(3)