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Antioxidants such as BHA or BHT have been widely used for many years to preserve freshness, flavor, and colour of foods and animal feeds as well as to improve the stability of pharmaceuticals and cosmetics. There are many controversies about the use of these two antioxidants in foods. Some experimental studies have reported that both BHT and BHA have tumour-promoting activity .On the other hand, there were reports on anticarcinogenic properties of these antioxidants when they are used at low concentrations. Ethoxyquin (EMQ) is a quinoline-based antioxidant used as a food preservative.
Sum of digits of a two-digit number is 9. When 27 is subtracted from the number, its digits get reversed. Find the original number.
The ratio between the sum of the digits of a two-digit number and that two-digit number is 1 : 6. If the digit in the unit's place is three less than th...
The number of present boys to girls is in the ratio 2:1. If 15 girls are absent and they form 25% of the total class, and no boy is absent, then find th...
The cost of 3 notebooks and 2 erasers is Rs.47, and the cost of 5 notebooks and 4 erasers is Rs.83. What is the total price (in Rs) of 2 notebooks and 3...
Rs 720 is to be divided among P, Q and R so that P gets 3/5 of Q’s share and R gets 1/3 of P’s share. Share of R is:
What is the largest common divisor of the numbers 1170, 2340, and 3510?
Find the average of the cubes of the first 7 natural numbers.
Find the number of zeroes in the end of 160!