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Find the value of the following expressions.
60% of 50% of 40% of 30% of 2000 = ?
√? + √225 = √1521
203*197 = ?
30% of 1500 - 20% of 1250 = ?
What will come in the place of the question mark (?) in the following number series?
4, 6, 9, 5, 0, 6, ?
32, 16, 24, 60, 210, ?
5, 13, 37, 109, 325, ?
If the difference between the compound interest and simple interest on a sum is Rs. 240 accrued in two years at the rate of 10 percent per annual, then what is the principal amount?
Meera spends 32% of his monthly salary on shopping, 43% of her monthly salary on household expenditures, if she is left with Rs. 1200, what is her monthly salary?
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