Question:Express each of the following as a fraction: (i) 56% (i) 4% (i) 0.6%
(i) 56% =`56/100` =`14/25` (ii) 6% = `6/100` = 0.06 (iii) 0.6% = `0.6/100` =`3/500`
Question:Express each of the following as a decimal: (i) 28% (ii) 6% (iii) 0.2% (iv) 0.04%
(i) 28% = `28/100`=0.28 (ii) 6% = `6/100` =0.06 (iii) 0.2% = `0.2/100` =0.002 (iv) 0.04% = `0.04/100` = 0.0004
Question:Express each of following as rate per cent: (i) `23/36` (ii) .004 (iii) `6 3/4`
(i) `23/36` = `(23/36 xx 100)`% = `(575/9)`% = `63 8/9` %. (ii) .004 = `4/1000` = `(4/1000 xx 100)`% = .4 %. (iii) `6 3/4` = `27/4` = `(27/4 xx 100)`% = 675 %.
Question:(i) What percent of 72 is 6 ? (ii) What percent of 7 is 84 ? (iii) What percent of 2.4 kg is 8 gms ? (iv) What percent of 6.5 litres is 130 ml ?
(i) Required percentage = `(6/72 xx 100)`% = `8 1/3`%. (ii) Required percentage = `(84/7 xx 100)`% = 1200%. (iii) Required percentage = `(8/(2.4 xx 1000) xx 100)`% = `1/3`%. (iv) Required percentage = `(130/(6.5 xx 1000) xx 100)`% = 2%.
Question:If A's income is 30% more than that of B, then how much percent is B's income less than that of A ?
Required percentage = `{33/(100 + 33) xx 100}` % = 24.8%.