Question
Sneha lends Rs. 10,400 on simple interest at 9% annually
for 2 years. If she receives Rs. '2k' at the end, calculate the product of digits of 'k'.Solution
ATQ,
Simple interest = Principal × Rate × Time ÷ 100
Interest = 10,400 × 9 × 2 ÷ 100 = Rs. 1,872
2k = 10,400 + 1,872
2k = 12,272
k = 6,136
Product = 6 × 1 × 3 × 6 = 108
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12 7 10 25 107 ?
...30, 39, 66, ? , 174, 255
 47                         54          ?             74          87          ...
65    69   77 93  ?    189
18 113 559 2247 6721 13451
...219 365 511 ? 803 949
...10Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 8.5Â Â Â Â Â Â Â Â Â Â 16Â Â Â Â Â Â Â Â Â Â Â Â Â ?
...22   39    58    81   ?      141
Complete the series.
19, 23, 26, 30, 33, ?
1240 600 ? 140 90 25
...
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