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Vivek

Questions (49)

3ROH+PX3 -......…...+...........
1. 3 answers
2. 800 views
metrix method solve equation 2x-y-3z=9 ,x+y+z=6 ,x-y+z=2
1. 1 answer
2. 738 views
A rectangular Park of length 80m and width 65m has two paths of uniform width 2.5m crossing each other. Find the area of
1. 3 answers
2. 1,376 views
a stone mass of 2.5kg is falling a certai height. Find the force of attraction between the earth and the stone. Also find its
1. 1 answer
2. 541 views
Find the percentage of pure gold in 22-carat gold, if 24-carat gold is 100% pure gold.
1. 3 answers
2. 896 views
The length and breadth of a park in the ratio 2:1 and its perimeter is 240 m. A path 2m wide runs inside it,along its
1. 4 answers
2. 1,214 views
(1) 11×10^-5 .Express it in scientific notation.(2)The distance between sun☉ and earth🌎 is (1.496×10^11)m and the
1. 1 answer
2. 779 views
(1)Emraan income is 25% more than that of Syed. How many per cent is Syed's income less than that of Emraan?(2)Ram's income is
1. 1 answer
2. 525 views
Syed's income is 25% more than that of Emraan.How many per cent is Emraan's income less than that of Syed?
1. 2 answers
2. 453 views
Q1(a)-How to draw the graph of the function A=x^2.Q1(b)-From the graph, How to find the value of A,when (i)x=2 (ii) x=3 (iii)x=4
1. 1 answer
2. 532 views
An ox in a oil processing apparatus is tethered to a rope 3m long .How much distance does it cover in 14 rounds?
1. 2 answers
2. 485 views
Prove that the area of a circular path of uniform width h surrounding a circular region of radius r is pi h (2r+h)
1. 3 answers
2. 1,088 views
Due to an increase in the price of sugar by 25%,by how much percent must a householder decrease the consumption of sugar so that
1. 1 answer
2. 566 views
A field in the form of a parallelogram has base 15 dam and altitude 8 dam.Find the cost of watering the field at the rate of 50
1. 3 answers
2. 717 views
Find the single discount equivalent to two successive discounts of 20% and 10%.
1. 1 answer
2. 599 views
A period of 4 hours and 30 minutes is what per cent of a day?
1. 1 answer
2. 444 views
Half of a herd of deer are grazing in the field and three-fourths of the remaining are playing nearby.The rest 9 are drinking
1. 1 answer
2. 619 views
In a hostel,50 kilogram milk are consumed everyday.If each student gets 400 gram of milk per day,find the number of students who
1. 2 answers
2. 519 views
A sum of Rs 8400 is made up of 50,20,10 and 5 rupee notes.The number of 10 rupee notes is five times the number of 5 rupee
1. 1 answer
2. 899 views
Ravi owns a plot of rectangular shape.He has fenced it with a wire of length 750 m.The length of the plot exceeds the breadth by
1. 1 answer
2. 795 views
given f(x)= 5x+4/5x^2+4x and g(x) = 1/xsimplify f(x) and find any vertical asymptotes
1. 1 answer
2. 450 views
Solve and check the result.3(5x-7)-2(9x-11)=4(8x-13)-17
1. 2 answers
2. 591 views
How to find the sum, without adding?(1)(2+4+6+8+10) (2)(1+3+5+7+9+11+13) (3)(2+4+6+8+10+12+14+16+18+20)
1. 2 answers
2. 442 views
Prove that the sum of the angles of Triangle is 180°.
1. 1 answer
2. 705 views
Prove that the sum of the angles of Quadrilateral is 360°.
1. 1 answer
2. 619 views
The rates of working of A and B are in the ratio 3:4.Find the number of days taken by them to finish the work?
1. 1 answer
2. 578 views
If 5 men or 7 women can earn Rs 875 per day.how much would 10 men and 5 women earn per day?
1. 2 answers
2. 556 views
The value of a machine depreciates every year by 10%.If the present value of the machine is Rs 54000,what was its value last
1. 4 answers
2. 640 views
In a experiment the count of bacteria was increasing at the rate of 2.5% per hour. Initially, the count was 512000.Find the
1. 1 answer
2. 742 views
In what time will Rs 1000 amount to Rs 1331 at 10% per annum, compounded annually?
1. 1 answer
2. 838 views
In the pie chart representing the percentages of students having interest in reading various kinds of books,the central angle of
1. 1 answer
2. 1,948 views
In a Library stack there are 4 books each of thickness 24 mm and 6 paper sheets each of thickness 0.015 mm. What is the total
1. 2 answers
2. 605 views
Mass of Earth is (5.97×10^24)kg and Mass of Moon is (7.35×10^22)kg.What is the Total mass of the two?
1. 1 answer
2. 855 views
By selling 125 cassettes,a man gains an amount equal to the selling price of 5 cassettes. Find the gain%.
1. 3 answers
2. 784 views
Oranges are bought at 6 for Rs 10 and sold at 4 for Rs 9. Find the gain% or loss%.
1. 2 answers
2. 686 views
The cost price of 12 candles is equal to the selling price of 15 candles . Find the loss%.
1. 1 answer
2. 497 views
What are the criteria for a quadrilateral to be considered a parallelogram?
1. 0 answers
2. 145 views
The diameter of Sun is (1.4 ×10^8)m and the diameter of Earth is (1.2742×10^4)m . Show that the diameter of sun is nearly 100
1. 1 answer
2. 649 views
A steamer goes downstream and covers the distance between two ports in 4 hours while it covers the same distance upstream in 5
1. 2 answers
2. 961 views
The inner circumference of a circular track is 220 m.The track is 7 m wide everywhere.Calculate the cost of putting up a fence
1. 2 answers
2. 1,262 views
The size of a red blood cell is 0.000007 m and that of a plant cell is 0.00001275 m.Show that a red blood cell is half of plant
1. 3 answers
2. 1,839 views
The typical lifetime of a star like our Sun is 10 billion years. While a star like our Sun is able to generate energy in its
1. 0 answers
2. 624 views
A round object with mass m and radius R rolls down a ramp that makes an angle θ with respect to the horizontal. You can assume
1. 0 answers
2. 770 views
What is comet how it fall
1. 0 answers
2. 417 views
What is comet how it fall and why he look blue
1. 1 answer
2. 450 views
What is energy
1. 1 answer
2. 392 views
The earth's atmosphere extends to a height of nearby 200KM above its surface there many be explosion and noises taking place in
1. 2 answers
2. 501 views
What is force defin it
1. 1 answer
2. 482 views
A car reaches a speed of 40m/s from rest in a time of 8 seconds. After the 8 seconds, the car travels at a constant velocity fro
1. 2 answers
2. 1,094 views

Answers (7)

4/5
This is a right triangle.
Decimal form of 5/8 = 0.625 Decimal form of 4 5/8 = 0.625+4 =4.625 HENCE DECIMAL FORM OF 4 5/8 is 4.625.
Let the inner and outer radii of the circular track be R metres and m metres respectively.Then,Inner circumference=220 metre (Use pi= 22/7) 2piR=220 2×22/7×R=220 R=35 m Since the track is 7 metre wide everywhere. m=Outer radii = R+7 = (35+7)m=42 m Outer
Wgat is energy
The capacity do to work
300 cos 35.2 - Fk = ma fk = 300 cos 35.2 - ma Fn = mg + 400 sintheta = 300 + 400 sin 35.2 Fk = Fn*uk uk = 0.57 300 cos 35.2 - ma = 0.57 [ 300 + 400sin 35.2] -ma = (0.57)[300+400sin35.2]- [300 cos 35.2] a = all that crap on the right side/ (300N/0.9) a =

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