Question
What is the primary component of a plant cell's
wall?Solution
Plant cell walls are primarily composed of cellulose, a polysaccharide consisting of a linear chain of several hundred to many thousands of Ξ²(1β4) linked D-glucose units. Cellulose gives plant cells their rigidity and strength.
A sum when invested at a certain rate of simple interest becomes 3 times itself in 25 years. Find the rate of interest.
Rs. 4500 is invested in scheme βAβ for a year at simple interest of 40% p.a. The interest received from scheme βAβ is reinvested for 2 years in ...
A certain sum of money is given at a certain rate for 3 years. Had it been given at 5% higher rate; it would have fetched Rs.600 more. Find the sum.
Rahul secures a loan amounting to Rs. 8,800 from a bank, which charges an annual simple interest rate of 20%. He then allocates this sum into an investm...
Rs. x is invested at simple interest at 8% per annum for 3 years. If instead Rs. (x + 500) is invested at the same rate for the same period, the total ...
A certain sum is invested for three years at rate of interest being 25% and it is invested in both simple interest and compound interest (compounded ann...
Ravi borrowed Rs. 25,000 from a finance company at a simple interest rate of 12% per annum. If he repaid Rs. 28,000 after βmβ months, find the value...
Arjun borrowed Rs. 5000 at R% S.I. and Rs. 6000 at (R + 5)% S.I. for 2 years. The total interest paid was Rs. 2800. Find the rate at which he borrowed R...
The simple interest received after 5 years on Rs. (x + 500) at the rate of 20% p.a. is Rs. (2x – 1500). The amount received on Rs. 3x when investe...
At the rate of any compound interest rate, it gets tripled in 4 years, in how many years it will become 729 times its own?
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