Find the number a, if

(i) 8.4% of a is 42

(ii) 0.5 of a is 3

(iii) of a is 50

(iv) 100% of a is 100

Express the following as decimal fractions.

(i) 27%

(ii) 6.3%

(iii) 32%

(iv) 7.5%

(v) 1/8%

Find:

(i) 22% of 120

(ii) 25% of Rs 1000

(iii) 25% of 10 kg

(iv) 16.5% of 5000 metre

(v) 135% of 80 cm

(vi) 2.5% of 10000 ml

x is 5% of y, y is 24% of z. If x = 480, find the values of y and z.

A coolie deposits Rs 150 per month in his post office Savings Bank account. If this is 15% of his monthly income, find his monthly income.