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First convert 72 km/h to m/s 72×1000/3600=20m/s Initial velocity u = 20m/s Final velocity v = 0 Time = 10 sec A= (v-u)/t = (0-20)/10 = 2m/s2 Negative sign shows retardation (deceleration).
If the sales tax be reduced from 3(1/2) % to 3(1 /3) % what difference does it make to a person who purchases an article whose marked price is 4,200?
Rajesh spent 30% and 25% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 20% and 40% to his mother and brother, r...
5% of a = b, then b% of 20 is the same as __________.
If the price of a commodity increases by 15%, by what percentage should its consumption be reduced so that the total expenditure remains unchanged?
The value of A’s car is depreciating by 44% every year whereas the value of his house is appreciating by 8% each year as compared to the previous year...
There were two candidate in an election. 15% of the total voters did not cast their votes whereas 10% of the casting votes were declared invalid. If the...
A girl spent 12% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 7:4. If the difference of the income ...
A bag contains 700 coins of 25p denomination and 1400 coins of 50p denominations. If 17% of 25p coins and 34% of 50p coins are removed, the percentage o...
Rajesh spent 44% of his monthly income on food and 56% of the remaining of study. If total monthly savings (after spending on food and study) of Rajesh ...
