Question
Which of the following group of elements are involved
in enzyme activation and electron transport?Solution
Fe, Mn, Zn, Cu, B, Mo and Cl are involved in enzyme activation and electron transport. They act as catalysers and activators.
A sum of ₹20,000 is invested at a compound interest rate of 5% per annum for 4 years. What will be the total amount after 4 years, and what is the tot...
Rohan deposited Rs. ‘Y’ in a bank offering compound interest of 10% p.a. compounded annually. After 3 years, he invested the amount received from th...
"R" put Rs.(r + 5000) into a SIP that offered 12% annual simple interest for four years. He also made a three-year investment of Rs. (r - 5000) in the s...
A person deposited Rs. 30,000 in a savings account that earned simple interest at a rate of 'x%' per annum. After 2 years, the total amount in the accou...
A person invested Rs. 50,000 in scheme A that offers simple interest at 25% p.a. Four years later, they withdrew Rs. x from scheme A and placed it in sc...
'R' took a loan of Rs. 40,000 from a bank with a compound interest rate of 15% per annum and then invested the same amount at a s...
A certain sum of money invested at R% p.a. simple interest amounts to Rs. 17760 after 4 years and Rs. 22080 after 7 years. If the same sum of money is i...
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1560 and simple interest of Rs.1500 at the end of 2 year...
A person invested Rs. 75,000 at an annual compound interest rate of 12%, compounded annually for 12 months. How much more profit would he have earned if...
A sum becomes 2.89 times ot itselt in 2 years when invested at compound interest (compounded annually). What is the annual rate of interest?
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