Question

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Practice Set 36
1. Simplify (31-11y) - (17x + 13 v) and choose the right answer.
(i) 7x-12v
(in) -3 (5x + 4y) Viv) - 2 (7x + 12y)
(ii) - 14x - 54
2. The product of (23 r' pla) and ( - 15x'yz?) is .......
(1) -345ry (ii) 345 xyz
(iii) 145 x y z (iv) 170 x y z
3. Solve the following equations.
(1) 4x +
(ii) 10 = 2y + 5
(iii) 5m - 4 = 1
(iv) 6x-1 = 3x + 8
(v) 2 (x-4) = 4x + 2 (vi) 5 (x + 1) = 74
Rakesh's age is less than Sania's age by 5 years. The sum of their ages is 27 years.
How old are they?
5.
When planting a forest, the number of jambhul trees planted was greater than the
number of ashoka trees by 60. If there are altogether 200 trees of these two types,
how many jambhul trees were planted ?
6. Shubhangi has twice as many 20-rupee notes as she has 50-rupee notes. Altogether,
she has 2700 rupees. How many 50-rupee notes does she have?
7". Virat made twice as many runs as Rohit. The total of their scores is 2 less than a
double century. How many runs did each of them make?
000
60​

Answer 1

Answer:

i actuall dont know hope you get the answer from some one