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master ishit Jain 3 years ago

Pls.can anyone send me
Python programming sample paper of class ix with solutions on mail
ishitjainitcreator@gmail.com

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Aditi 3 years ago

0 6 6 20 20 42 ??????

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sanjeev 3 years ago

first term = 0*1 =0
second term 1*0 =0
third term: 2*3 =6
fourth term: 3*2 = 6
fifth term: 4*5 =20
sixth term : 5*4 =20
seventh term 6*7 = 42
Eight term 7*6 = 42
Nineth term 8*9 = 72
tenth term 9*8 = 72

hence correct answer is 72

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shadab 3 years ago

4. Pipe A can fill in 20 minutes and Pipe B in 30 mins and Pipe C can empty the same in 0 mins. If all of them work together, find the

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Priyanka 3 years ago

. A vessel contains mixture of milk and water in the ratio of 7:1 respectively. 24 liters mixture
is removed from the vessel and if the quantity of remaining milk in the vessel is 56 liters, then find
quantity of water in the vessel initially.

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Devendra Marghade 3 years ago

Ans: 11 liters

Let, initial mixture contains milk=7x and water=x
Then, quantity of remaining milk after removing 24 liters of mixture=7x - 24*(7/8)=56
56x - 168 = 448
x = 11
.'. Quantity of water in initial mixture = x = 11 liters.

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G.S.Kantharao 3 years ago

Very simple 11lts.
After removing 24 lts the mixture is in the same ratio
Milk:water=7:1=56:w=>w=56*1/8=8lts
In 24 lts removed mixture=24*1/8=3lts.
So total water is 11 ltd.

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Nadir 3 years ago

If stands for /, / stands for -, + stands for. -stands for +.

Then 9/15*9+2

9=?

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Dimple

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