please yaar answer me and correct answer please
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please yaar answer me and correct answer please
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Answer:
1)4
1st part
We have,
Worker W
1
=5
Weed a field in days=D
1
=12days
If,
Take worker W
2
=6
Then, Days D
2
=?
Then, we know that,
W
1
D
1
=W
2
D
2
5×12=6×D
2
D
2
=
6
5×12
D
2
=10days
2nd Part,
If workerW
3
=15
Then,
Days D
2
=?
Then, we know that,
W
1
D
1
=W
3
D
3
5×12=15×D
3
D
3
=
15
5×12
D
3
=4days
2)Answer: the interest on Rs 1700 at a 10 p.c.p.a. for 2 year is Rs 340
3)not know
4)in the given image
5)(-12)^7÷(-12)^7 = 1
Step-by-step explanation:
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1. The given question is in indirect variation.
Hence, 5×12 should be equal to 6x
Hence x days,
2. Simple interest
= P×R×T
= 1700 × (10/100) × 2
= 1700 × (20/100)
= 17×20
= ₹ 340
3. (-10/11) ÷ (11/10)
= (-10/11) (10/11)
= -100/121
4. (13x³ - 12y² ) + (6x² - 8y²)
= 13x³ + (- 12y²- 8y²) + 6x²
= 13x³ - 20y² + 6x²
5. (-12)^7 ÷ (-12)^7
= (-12)^ 7-7
= (-12)^0
= 1 [Anything having power as 0, when computed, its result is 0.]
Hope it helps you, my friend !