Q.(20) If 25 m of cloth can be bought for Rs 700, how many metres of cloth can be bought for Rs 1540.
Q.(21) Find the error in following equation and write it correctly: 5
2
(6 + 3) = 30 + 3
Q.(22) Find the measure of an exterior angle of a regular polygon if its each interior angle is 140◦
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Answer:
Q.(20) 55
Step-by-step explanation:
25×1540/700
38500/700
55
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