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D, 16., , A. 1. Convert:, , 4, (i), into a percentaye ww ant, : nO 6 percentage, (iH) 45% into a Iractc ‘, 5 raction (WV) 108% Into a fraction, (v) 15% as a ratio (wi 122 i, 5 inte a percentage, , 2. (i) What per cent of | kits 125 y? (1H) What per cent of 40 my be 24, cent of HO mi bn 24m?, , , , , , 3. (i) Find 16 © % of 30, 3 ; i 16% of 8140, 4, (1) Find the number whose 6, % Is! % of AS, \ 14% of 45., 5. A number is increased by 10% and (i eased number In decreased by 10% Show, , that the net decrease ts 1%, 6. The value of a machine de], ama priciates at the rate of 10% per annum If its present value te, % 10000, what will be its value after 2 years? ' ‘, 7. The population of a town increases at 5% per annum. Ils present poji', What will be its population after 2 years?, 8. The price of a teaset is increased by 5%. If the increased price 1 244 wha, original price?, , ion in 1000, , at bo Is, , B. Mark (/) against the correct answer in each of the following:, , 1, , 9.64% expressed asa fraction i, 1, , 7 d), , 1 1, , a 6 (95 25, 10. If x% of 75 = 12, then the value of x is, , (a) 8 (b) 10 (c) 12 (d) 16, 11. Anumber increased by 20% gives 30. ‘The number is, , (a) 150 (b) 6 (c) 25 (d) 60, 12, 5% of a number is 9. The number is, , {a) 120 (b) 140 (c) 160 (d) 180, 13, If 35% of a number added to 39 is the number itself, the number 1s, , (a) 60 (b) 65 (c) 75 (d) 70, , ass. A student gets 160 marks and fails, , 14. In an examination it is required to get 36% to P:, , , , by 20 marks. The maximum marks are, (a) 400 (b) 450 (c) 500 (d) 600, .15. Fill in the blanks., (i) 324 = bo d% (ii) 0.75 =, (iti) 6% = --.... (express in decimals), , , , tiv) [i decreased by 40% gives 135, then X=, (0) 1% of x) HOF) = 18-3 X=, Write ‘T’for true and 'F' for false for each of the following:, , ; 1, w Sas rate per cent is 75%. (i) 12, expressed as a fraction is ., (ui) 2:5 = 25%. (iv) 80% of 450 = 360., , (v) 20% of 1 litre = 200 mL.