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Positive integer value of x, y and z

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The sunrise problem

Two women start walking at the sunrise, one from point A to B and another from point B to A. The pass each other exactly at noon. The first...
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Solve

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

Simplify: 4(x-3)-x(a-2)-3 Rate the problemHelpful (2)Spam (0)Hard (0)Wow (0)
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Find highest share?

If 500 is shared in the ratio 2：3：5, what will be the highest share? Rate the problemSpam (0)Hard (0)Helpful (0)Wow (0)

Distance Between Two Places & Time Taken !

Manish and Rajni start from a place M at the same time to reach another place R. Manish travels at a constant speed of 21 kmph, while Rajni starts with...
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How Many Numbers Divisible ?!

How many integers from 100 to 10000, inclusive, are exactly divisible by 6 or 11 or 14 or 15 but neither divisible by 30 nor by 42 ? Rate the problemHard (2)Spam (0)Helpful (0)Wow (0)

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...

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...

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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Cuberoot

Solve the following 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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Arithmetic Progression

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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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Find X

Find x Rate the problemHelpful (1)Spam (0)Hard (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)

Logarithm

Prove that: log base 16 (XY) = 1/2 log base 4 (X) + 1/2 log base 4 (Y) Include the logarithmic rules used to prove the statement. Rate...
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Solve for X

Solve for the value of X Rate the problemSpam (1)Hard (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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