ALGEBRA
Class : 5,6, 7
Duration :30 minutes
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I. Find the answers to the following Questions:
- The solution of (2x+1)/(3x-1) = 3/2 is ......
2. If a number increased by 8% of itself gives 135, then that number is ------
3. What is the reciprocal of 1/(a-3b) when b = a/3 ?
4. The solution of 0.2(2x-1) - (0.5(3x-1) = 0.4 is -----
5. What must be subtracted from each term of the ratio 4:7, so that the ratio becomes 2:5 ?
6. The ratio of two numbers is a:b. If one of them is x, then other is ?
7. Amulya is x years of age now. 5 years ago her age was .......
8. The expression obtained when x is multiplied by 2 and then subtracted from 3 is -------
9. There are 288 plants in a nursery. The number of plants in one row is double the number of
rows. Find the number of rows ?
10. The sum of two numbers is 19. One of the numbers is one more than twice the other.
Represent this statement in the form of an equation using variable x ?
ANSWERS
1. x=1
2. 125
3. 0
4. (-1/11)
5. 2
6. (bx)/a
7. (x-5)years
8. 3-2x
9. 12
10. x+(2x+1)=19
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