Question
The compound interest on a certain sum, compounded
half-yearly at an annual rate of 20% for one year, is Rs. 540 less than the simple interest on the same sum for 2 years at an annual rate of 15%. What is the principal amount?Solution
Let the principal be P.
72, 97, 147, ?, 322, 447
11Â Â Â Â Â Â Â Â Â Â 22.5Â Â Â Â Â Â Â 47Â Â Â Â Â Â Â Â Â Â 102Â Â Â Â Â Â Â Â 236Â Â Â Â Â Â Â Â ?
...What will come in place of (?) question mark in the given number series.
11, 6, 7, 12, 26, ?
79, 248, ?, 225, 125, 206
7 7 ? 43 163 831
...- What will come in place of the question mark (?) in the following series?
6, 24, 60, ?, 210, 336 What will come in place of the question mark (?) in the following series?
34, 61, 7, ?, -20, 115
43          86          258        ?             5160                     30960
...What will come in place of the question mark (?) in the following series?
9, 22, 61, ?, 217, 334
1029, 1030, 1039, 1064, ?, 1194