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Start learning 50% faster. Sign in nowLet total work = 378 units (LCM of 42 and 54) Amount of work done by Ram in one day = 378/42 = 9 units Amount of work done by Shyam in one day = 378/54 = 7 units Amount of work done by Ram and Shyam together in 21 days = 21 × 16 = 336 units Time taken by Shyam to complete the remaining work = (378 – 336)/7 = 6 days Total time = 21 + 6 = 27 days
A sum of Rs. 40,000 is invested in SIP 'E' which offers 8% p.a. simple interest for 6 years. The interest received from SIP 'E' is invested in SIP 'F' w...
A sum triples itself in 8 years at simple interest. Find the rate of interest per annum is.
A woman invested a certain amount in scheme 'A' at simple interest of 18% p.a. for 4 years. She then reinvested the total amount received in scheme 'B' ...
The difference between the compound interest compounded annually and simple interest of a sum at 10% p.a. for 2 years is Rs. 100. Find the sum.
A laptop charger is sold for Rs.2,540 in cash or for a down payment of Rs.1,340 in cash together with Rs.1,205 to be paid after one month. Find the rate...
The simple interest received on a certain sum is Rs. 500 less than the sum invested. If the sum was invested at 10% p.a. for 6 years, then find the simp...
Ankit and Bhupesh invested a certain amount for 5 months and 7 months respectively. The ratio of the profits earned by Ankit to t...
Rs.6000 is divided into two parts such that if one part be invested at 5% and the other at 8%, the annual interest from both the investments is Rs. 435....
A sum doubles in seven years at simple interest. In how many years will the sum become five times the original sum?
