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Question
Tricks with your age.
Write your age ______
Multiply it by 7 ______
Again, multiply the answer by 13 ______
Multiply again that answer by 11 ______
Now, look at your last answer. Can you find your age in that answer?
How many times does your age show in the answer?
Now try this trick with other people.
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Solution
Write your age = 10
Multiply it by 7 = 10 x 7 = 70
Again multiply the answer by 13 = 70 x 13 = 910
70
x 13
210 (70 x 3)
700 (70 x 10)
910
Multiplying again that answer by 11 = 910 x 11 = 10010
910
x 11
910 (910 x 1)
9100 (910 x 10)
10010
Yes. I can find my age in final answer, my age appears two times in the answer.
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- How many glasses will he drink in one month?
I saw this in the newspaper. Governments of different states have said that farm workers should not be paid less than this salary for a day's work
| State | Salary for one day |
| Haryana | Rs 135 |
| Rajasthan | Rs 73 |
| Madhya Pradesh | Rs 97 |
| Orissa | Rs 75 |
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- For farm work which state has fixed the highest amount? Which state has fixed the lowest?
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- 93 × 2
But Kamla Bai was not happy, She had to spend Rs 85 every day on the cow. She made some money by selling the milk. But still, she wanted to sell the cow.
- If Kamla Bai spends Rs 85 a day, find out how much she will spend in one month.
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