Question
A man invests ₹15,000 in a business. In the second
year, he increases his investment by 20%, and in the third year, he reduces it by 25% of the second year’s investment. Calculate the total investment made by the man over three years.Solution
Investment in the first year = ₹15,000. Investment in the second year = ₹15,000 + 20% of ₹15,000 = ₹15,000 + ₹3,000 = ₹18,000. Investment in the third year = ₹18,000 - 25% of ₹18,000 = ₹18,000 - ₹4,500 = ₹13,500. Total investment over three years = ₹15,000 + ₹18,000 + ₹13,500 = ₹46,500.
What will come in place of the question mark (?) in the following series?
29, 42, ?, 95, 135, 184
12, 34, 64, ?, 140, 182
119 × 13 + 150/100 × 850 =?
23, 27, 39, 59, ?, 123
In each of the following number series, one term is missing. Find the missing term.
6, 12, 15, 30, 34, 68, ?
10, 10, 15, 30, 75, ?
13 13 26 ? 832 13312
...What will come in place of the question mark (?) in the following series?
120, 130, ?, 140, 100, 150
156, 172, 196, ?, 268, 316
10, 20, 60, 300, ?, 23100
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