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Probability: A Family of Five Children

7 years 2 months ago

09 - Number of Leaps to Take to Catch the Lead

7 years 2 months ago

Number of Steps in the Escalator

7 years 2 months ago

Poker Hand: Probability that Five Cards are of the Same Suit

7 years 2 months ago

Probability Problems Involving Cards

7 years 2 months ago

Number of Marbles in a Bag Containing Black and White Marbles

7 years 2 months ago

Probability

7 years 2 months ago

Permutation Problems - 01

7 years 3 months ago

Sets

7 years 3 months ago

Counting Techniques

7 years 3 months ago

Probability and Statistics

7 years 3 months ago

Family of Plane Curves

7 years 5 months ago

Acceleration of Riged body (flyweight) with forces

7 years 6 months ago

Trigo sin cos tan sec csc cot

7 years 6 months ago

Concavity calculus

7 years 6 months ago

Problem 126 explanation please

7 years 6 months ago

Number of Civil, Electrical, and Mechanical Engineers and Their Average Ages

7 years 7 months ago

A and B run a 1.5-kilometer race. In the first heat, A gives B a start of 11 meters and beats him by 57 seconds. In the second heat, A gives B a start of 81 seconds and is beaten by 88 meters. Find the rate of A in km/hr.

7 years 7 months ago

In a prison camp, 100 soldiers have been given provisions good only for 10 days. If five soldiers die every day, except on the first day, in how many days will the provisions last?

7 years 7 months ago

The distance between the centers of the three circles which are mutually tangent to each other externally are 10, 12, and 14 units. Find the area of the smallest circle.

7 years 7 months ago

How many different fractions less than 1 can be formed using the numbers 2, 3, 5, 7, and 9?

7 years 7 months ago

If the value of the piece of property decreases by 10% while the tax rate on the property increases by 10%, what is the effect on the taxes?

7 years 7 months ago

In the CE Board examinations, the probability that an examinee will pass in each subject is 0.80.

7 years 7 months ago

If the population of a city increases by 10% each year, during which year will the population doubled?

7 years 7 months ago

A and B compete in a race. A runs at a constant rate of 126 m/min while B runs 145 m the first minute, 143 m the second minute, 141 m the third minute and so on.

7 years 7 months ago

In an organization there are CE’s, GE’s and ME’s. The sum of their ages is 2160

7 years 7 months ago

A man and a boy can do in 15 days a piece of work which could be done by 7 men and 9 boys in 2 days.

7 years 7 months ago

Quiz: Random Problems 05

7 years 7 months ago

Quiz: Random Problems Set 5

7 years 7 months ago

Finding the sum of sequence

7 years 7 months ago

Decimal Fractional Parts of Segment Dim's on Hypotenuses of Dissimilar Right Triangles

7 years 7 months ago

A tank is supplied by two pipes A and B and emptied by a third pipe C

7 years 7 months ago

Product of Areas of Three Dissimilar Right Triangles

7 years 7 months ago

Area of Right Triangle Using Radius of Incircle

7 years 7 months ago

The Formula for the Curve of a Trumpet Bell

7 years 7 months ago

Perimeter of Right Triangle by Tangents

7 years 7 months ago

Basic Cal.

7 years 8 months ago

How can i compute the height of the ice cube to be put in a conical tank when it turns into a liquid

7 years 8 months ago

Hansen's Theorem

7 years 8 months ago

ADVANCED MATH: Determinants

7 years 8 months ago

Three Dissimilar Right Triangles

7 years 8 months ago

Projectile Motion

7 years 8 months ago

Advanced Math

7 years 8 months ago

Please Help.

7 years 8 months ago

Help please: $(1+e^x y+x e^x y) dx + (x e^x + 2) dy=0$

7 years 8 months ago

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