## Simultaneous eqn – iii

Solve the following simultaneous equations Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## How many coins can cover the entire table?

A rectangular table has 100 coins placed on it (centers must be on the table) such that none of the coins overlap, and it is impossible to place any...

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## Calculate the amount paid in each installments

An Electrical shop sells a video recorder for $3200 cash price. The purchase deal is offered to a customer at an extra 20% cost. The customer pays a deposit...

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## Simultaneous eqn – ii

3x + 4y -2z = 5 x – 3y – 3z = 4 2x – y – 4z = -8 Find x, y and z Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Distance Time

A cargo plane flew from the Clark across the Pacific at 255 kph and flew back to the Clark at 275 kph. Given that the first trip took 2...

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## Largest possible sum

In the year 2001, the International Mathematics Olympiad was held in the USA. Let be distinct positive integers such that the product I * M * O =...

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## Base conversion

If (11011)2 = (____________)10, then the number in the blank space is: a. 33 b. 22 c. 27 d. 30 Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Factorize

Factorize completely Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## square-cube root

Find the value of x and y, solving the given root equation Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Dividing multivariate polynomials

Perform the following division Rate the problemHard (1)Spam (0)Helpful (0)Wow (0)

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## solve for x

(x+10)(x-3) = (-x-10)(6x+7) Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## write equation for polynomial

Write an equation for a polynomial that has the solution set {-1 , 3, 4} Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Speed, distance and time

A bicycle wheel has a diameter of 63cm. Calculate how many times the wheel turns round in traveling km. Use the value 22/7, for π Rate the...

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## Solve the inequality quadratic eqn

Solve the inequality quadratic equation Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Find the Last digit

What is the last digit of Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Find a x b x c x d

If a, b, c and d are unique digits and aaaa + bbb + cc + d = 1995, find the value of a * b * c *...

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## Prove that 12b^2 = 49ac

Given: ax^2 + bx + c = 0 The proportion of the roots of the equation is 3:4. Prove that 12b^2 = 49ac Rate the problemHelpful (1)Spam (0)Hard (0)Wow (0)

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## Solve the following

Solve the following Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Average of a and b

Find the average of a and b Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Inequality- Find least value of Y

If 7+y = |8|, find the least value of y, such that 10<= y <= 30. Rate the problemHelpful (1)Spam (0)Hard (0)Wow (0)

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## Money double problem

A sum of money triples itself in 20 years. When will it double? Options are: a) 5 years b) 15 years c) 10 years d) 8 years Rate the...

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## Line equation

If line y= -3x+K is tangent to the circle x^2 +y^2 = 10, find all the possible values of K Rate the problemHard (1)Spam (0)Helpful (0)Wow (0)

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## Arithmetic Progression: Find x and y

If 3, x, y and18 are arithmetic progression (), find x and y. Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

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## Word problem

A garrison of 120 men is provisioned for 24 weeks at 350 gm per day per man. How many men must leave so that the same provision may last...

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## Find the average speed

For the first 100 miles of his trip, Sohan drove at 50 miles/hr. Then because of delays, he drove only 39 miles/hr for next 120 miles. What was his...

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## Exponential

Question source : Facebook que source ( × 10 to power 3)÷(7×10 to the power of-3) -5×10 to the power of-4 + × 10to power of-3 Evaluate the answer...

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## Find the Surface area and volume of the box

Problem source: Source A box has length 15cm,breadth 7cm and height 8cm. Find: (a)its total surface area? (b)its volume? Rate the problemHelpful (1)Spam (0)Hard (0)Wow (0)

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## Avg. Monthly income

A man spends Rs. 1600 per month on an average for the first three months, Rs 1550 for next four months and Rs. 1800 per month for the last...

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## Increase in cube dimension

One dimension of a cube is increased by 1 inches to form a rectangular block. Suppose that the volume of the new block is 150 cubic inches. find the...

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## simple interest

A person takes a loan of 200 at 5% simple interest. He returns 100 at the end of order of clear his dues at the end of 2...

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