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Aluminum (Al) undergoes oxidation reactions that increase its oxidation number from zero to three while also introducing oxygen into the mix. Fe2O3 acts as an oxidising agent. Due to the removal of oxygen from Fe2O3 and the addition of Al, Fe2O3 is reduced to Fe. Aluminum (Al) thus serves as the reducing agent.
Calculate the unit digit of 7882.
What should come in place of the question mark (?) in the following question?
3/8 × 4/7 ? = 5376
The cost of painting is Rs.180 per kilogram. One kilogram paint covers 30 square feet. How much it will cost to paint a cube having each side 14 feet?
If the square root of 1024 is added to 30% of a number we get 4 less than 2/5th of the number. What is 3/8th of the number?
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...
In a four digit number, the units place digit is one more than the hundreds place digit and the tens place digit is one less than the thousand place dig...
There are 3 natural numbers. If the average of any 2 numbers is added with the third number 34, 30 and 28 will be obtained. Find the numbers.
The sum of three consecutive natural numbers each divisible by 5, is 255. The largest among them is:
How many 3-digit numbers are completely divisible by 5?
