Fractions and Decimals 9.75 x 9.75 - 2 x 9.75 x 5.75 + 5.75 x 5.75 = ? 18 15 17 16 18 15 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = a² -2ab + b² Where a =9.75 and b=5.75= (a-b)² = (9.75 - 5.75)² = 4²=16
Fractions and Decimals The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.3 2011 2012 2014 2013 2011 2012 2014 2013 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose commodity X wil cost 40 paise more than Y after Z years.Then, (4.20 + 0.40Z) - (6.30 + 0.15Z) = 0.40 0.25Z = 0.40 + 2.10 Z= X will cost 40 paise more than Y 10 years after 2001 . i.e in 2011
Fractions and Decimals [( 3.242 x 14 ) / 100] = ? 0.045388 0.45388 4.5388 45.388 0.045388 0.45388 4.5388 45.388 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Multiplying 3.242 x 14=4.5388Now divide 4.5388 by 100So, 4.5388 ÷ 100= 0.045388∴ Shift the decimal two places to the left as 100
Fractions and Decimals 13.065 x 13.065 - 3.065 x 3.065 =? 1613 1.613 161.3 16.13 1613 1.613 161.3 16.13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression =(13.065)²-(3.065)² =(13.065 + 3.065) x (13.065 - 3.065)=16.13 x 10 = 161.3
Fractions and Decimals 4.036 divided by 0.04 gives 10.9 100.9 1000.9 10000.9 10.9 100.9 1000.9 10000.9 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals The place value of 3 in 0.07359 is ? 0.003 0.3 0.03 0.0003 0.003 0.3 0.03 0.0003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The place value of 3 in the given decimal fraction is .003 i.e. 3/1000.
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