Question
Neha invested Rs. 50,000 in two different schemes,
‘C’ and ‘D’, for 3 years and 4 years, respectively. Scheme ‘C’ offers a simple interest rate of 15% per annum, while scheme ‘D’ provides compound interest (compounded annually) at a rate of 25% per annum. Determine the sum invested in scheme ‘D’ if the interest from scheme ‘C’ is Rs. 2,250 more than that from scheme ‘D’.Solution
ATQ, Let the sum invested in scheme ‘D’ be Rs. ‘y’. Sum invested in scheme ‘C’ = Rs. (50000 - y). Simple interest from scheme ‘C’ = (50000 - y) × 15% × 3. Compound interest from scheme ‘D’ = y × [{1 + (25/100)}4 - 1]. Setting the interest difference and solving for ‘y’ gives y = Rs.20,000
16 4 2 1.5 1 1.875
...512   493   476   ?    448    437  . Â
16 23 31 40 50 61 ?
...50 62 ? 96 126 138
...1 0.5 3 7.5 21.5 74.25
Given below are three series I, II and III. Each series consist an odd one out number. Odd one out number in series I, II and III are 'P', 'Q' and 'R',...
114 106 102 100 99 ?
...A factory produces two types of gadgets: Type A and Type B. In a day, it produces 300 Type A gadgets and 400 Type B gadgets. If the production cost of T...
3,   2,   3,  8,  31,  ?
40, 20, 30, 75, ?, 1181.25
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