Ques. 1 ) ABCD is a trapezium in which ab//CD, ab =78 CM CD =52 , ad=28 ,BC =30 cm. find the area of trapezium. ques. 2) the diameter of a roller is 84 cm and its length is 120 cm. It takes 400 complete Revolution to move once over to level playground. find the area of playground in square metre.
ques. 3) Kamal deposited rupees 32000 with a company at 12.5% per annum for 3 years at compound interest .how much interest did he get at the expiry of the period.
ques. 4) the denominator of rational number is greater than the numerator by 8.if the numerator is increased by 17 and the denominator at decrease by 1 ,the number obtained is 3/2 .find the rational numbers.
plz help me out in solving these questions!
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