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how many years hence???

Simple or arithmetic average of a range of values or quantities, computed by dividing the total of all values by the number of values

An event is something that happens, especially when it is unusual or important. You can use events to describe all the things that are happening in a particular situation

CP = 1200, Loss = 12%

Loss = 12/100(1200) = rs 144

We knowSP = CP - Loss = 1200 - 144 = rs 1056

Let X be the common multiplehence2x and 5x2x+5x=11347x=1134x=162Hence2x=2*162=324rupeesand 5x=5*162=810rupees

Where are the equations?

1050 is right answer

Let the present age of salim be x and that of his daughter be y2 years ago age of salim = x-2age of daughter = y-2According to question,

(x-2) = 3 (y-2)

x - 3y = - 4 .......(1)

After 6 years

x + 6 = 2(y + 6)

x - 2y = 10 ........(2)

eq(1) - eq(2)

- y = -14y = 14

So, x = 38

solving the above two eq we get

y=14, x=38

Salim age is 38 yearsSalim daughter age is 14 years

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let rajan age=x yearlet his sister's age=y yeara.t.q1st conditionx=10+y .....(1)2nd conditionx-8=5/6x2nd condition x-8=5/6xput x=10+y10+y-8=5/6×(10+y)2+y=50+5y/612+6y=50+5y6y-5y=50-12y=38put the value y in eq.(1)x=10+38x=48

60 years is it right answer

48 year is right answer

it's answer is (0,0)or (8/3,0)

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As the work is same (To construct the same wall) if ‘D' signifies days required is inversely proportional to' M' number of men to be employed to complete the work.

As ,D∝1/M, D=K*1/M ….(1) ( K is proportionality constant), Now when D = 8, M=10,from (1) we get, 8= K/10, Therefore K = 80 , putting K =80 in (1) we get ,

D=80/M, when D = 1/2 , M=?

D =80/M, 1/2= 80/M, =>M= 2*80, => M= 160

Answer : Total 160 men required to complete the work in 1/2 of a day.

This question relates to finding the Principle amont from investing in a fixed account.

We know that, Interest = Principle *Rate% * Time Therefore: Interest = Rs.70, Rate = 3.5% and Time is 4 years

Therefore , Rs 70 = P* 3.5% *4

70 * 100 = P*14 =>P = 7000/14=> P= 500

∴Sum=Rs.500

Let sum of money = P,Given,Rate of Interest R = 3 1/2 or 7/2%, T = 4 years

Using formula for Simple InterestSI = P*R*T/10070 = P*(7/2)*4/100P = 70*100/14P = 500

Therefore,Sum of money = Rs 500

√5= √(4+1)Here 4 and 1 both are perfect square number as √4 = 2 and √1 = 1So draw right triangle with side 2 and 1And according to Pythagoras theorem hypotenuse will √(2^2+1^2) = √5Then draw an arc of √5 on number line

It has one line of symmetry

a= 12 , d= 6 , an= 252

an=a+(n-1)d

or, 252= 12+(n-1)6

or, (n-1)6= 240

or, n-1 =40

so, n=41

Sn=n/2(a+an)

S41=41/2(12+252)

= 41*264/2

= 41*132

= 5412

Let the original amount be x(100%+10%)Of x =330110% of x=330110/100*x=330x=300Original price= Rs 300

thank u sir

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CP=₹1600Loss %=3%SP=[1-Loss%/100]CPSP=[1-3/100]1600SP=[100-3/100]1600SP=97/×1600SP=₹1522

Rakesh bhakt a pair of socks worth rupees 23 and 75 paise watch work rupees 175 and affairs of eatables work and and 50 paise how much money did he spend in total

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