Question
Anjali invested Rs.9000 in a scheme offering compound
interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from the scheme is Rs.3960 then find the value of ‘x’.Solution
According t the question, => 3960 = 9000 x [(100 + x)/100]2 – 9000 => 12960 = 0.9 x (100 + x)2 => (100 + x)2 = 14400 => x = 120 – 100 => x = 20
23, 28, 38, 49, 62, ?
12, 16, ?, 48, 76, 112
28, 43, 73, 118, ?, 253
What will come in place of the question mark (?) in the following series?
4, 8, 24, ?, 480, 2880
What value should come in the place of (?) in the following number series?
15, 21, ?, 41.16, 57.624
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 ?
...64, 32, 48, 120, 420, ?
18, 30, 54, 90, 138, ?
What will come in place of the question mark (?) in the following series?
35, 38, 46, ?, 85, 120
What will come in place of the question mark (?) in the following series?
68, 76, 61, 85, ?, 98
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