RS Aggarwal Class 7 Math Tenth Chapter Percentage Exercise 10A Solution
EXERCISE 10A
(1) Convert each of the following fractions into a percentage:
(2) Convert each of the following into a fraction:
(3) Express each of the following as a ratio:
(4) Convert each of the following ratios into percentage:
(5) Convert each of the following into decimal form:
(6) Convert each of the following into decimals into percentage:
(7) Find:
(i) 32 % of 425
(iii) 6.5 % of 400
(iv) 136 % of 70
(v) 2.8 % of 35
(vi) 0.6 % of 45
(8) Find:
(i) 25% of Rs 76
(ii) 20% of Rs 132
(iii) 7.5% of 600 m
(v) 8.5% of 5 kg
(9) Find the number whose 13% is 65.
(11) What amount is 10% more than Rs 90?
(12) What amount is 20% less then Rs 60?
(13) If 3% of x is 9, find the value of x.
(14) If 12.5% of x is 6, find the value of x.
(15) What per cent of 84 is 14?
Solution: Let the percent is x%.
(16) What percentage is
(i) Rs 15 of Rs 120?
(ii) 36 minutes of 2 hours?
(iii) 8 hours of 2 days?
(iv) 160 metres of 4 km?
(v) 175 mL of 1 litre?
(vi) 25 paise of Rs 4?
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