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What does a duck do when it flies upside...

What does a duck do when it flies upside down? The answer to this riddle is hidden in the equation given below:
If `i + 69 = 70` , then ` i` = ? If `8u = 6u + 8 ` , then u = ?
If `4a = -5a + 45` , then a = ? If `4q + 5 = 17` , then q=?
If ` -5t - 60 = - 70 ` then t = ? If `1/4 s + 98 = 100` , then s = ?
If `5/3 p+9 = 24` then p = _______ ?
If `3c = c+12` , then c = ________ ?
If `3(k+1) =24 , ` then k = ________ ?
For riddle answer : substitute the number for the letter it equals

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NCERT EXEMPLAR-SIMPLE EQUATIONS-EXERCISE
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  2. The sum of two consecutive multiples of 2 is 18. Find the numbers.

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  3. Two complementary angles differ by 20^(@). Find the angles.

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  4. 150 has been divided into two parts such that twice the first part is ...

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  5. In a class of 60 students, the number of girls is one third the number...

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  6. Two-third of a number is greater than one-third of the number by 3.Fin...

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  7. A number is as much greater than 27 as it is less than 73. Find the nu...

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  8. A man travelled two fifth of his journey by train, one-third by bus on...

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  9. Twice a number added to half of itself equals 24. Find the number.

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  10. Thrice a number decreased by 5 exceeds twice the number by 1 .Find the...

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  11. A girl is 28 years younger than her father. The sum of their ages is 5...

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  12. The length of a rectangle is two times its width. The perimeter of the...

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  13. Look at this riddle? If she answers the riddle correctly how ever will...

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  14. In a certain examination, a total of 3768 students secured first divis...

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  15. Radha got Rs. 17,480 as her monthly salary and over-time. Her salary e...

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  16. If one side of a square is represented by 18x – 20 and the adjacent si...

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  17. If one of the angles of the triangle is 60^(@) and the other two are s...

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  18. What does a duck do when it flies upside down? The answer to this ridd...

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  19. The three scales below are perfectly balanced if • = 3. What are the ...

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  20. The given figure represents a weighing balance. The weights of some ob...

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