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Let the efficiency of Anand = '5x' units/day Then, total work = 5x X 36 = '180x' units Efficiency of Akash = 5x X 1.4 = '7x' units/day Combined efficiency of Anand and Akash = 5x + 7x = '12x' units/day So, time taken to complete the entire work = 180x ÷ 12x = 15 days Hence, option a.
Rs.5400 is divided into two parts such that if one part be invested at 6% and the other at 9%, the annual interest from both the investments is Rs. 435....
Rs. 9500 is invested in scheme ‘A’ for a year at simple interest of 50% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in ...
The simple interest on a sum of Rs X in 5 years is (2/5)of the principal. What is the annual rate of interest?
Anjali invested Rs.14000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from ...
Find the compound Interest on Rs. 8,000 @15 % p.a for 2 years 4 month Compounded annually?
A person invested ₹15,000 in two schemes, Scheme A offering 10% per annum simple interest, and Scheme B offering 12% per annum simple interest. If the...
If the difference between the simple interest and compound interest, compounded annually, on Rs. 40,000 at (r + 4)% rate of interest for 2 years is Rs. ...
A certain sum of money becomes Rs. 1500 in 1 year and 2800 in 3 years at certain rate of simple interest. Find the sum of money invested.
Rs. 10000 when invested at simple interest of r% p.a. amounts to Rs. 12000 in 24 months. If the same sum had been invested for 1 year at compound intere...
The difference between compound and simple interest on a sum of money for 2 years at 5% per annum is Rs. 664. The sum is:
