Jeffreymars16

8 Questions
13 Answers

+2

6

2205

9

+132

Maths Olympiad Question (Please help ASAP)

What is the remainder when 1^3 + 2^3 +3^3 + ...+100^3 is divided by 7?

a)1 b)2 c)3 read more ..

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Jeffreymars16 Mar 14, 2018

+2

1185

3

+132

Maths Olympiad question ( Please help)

A password consists of four distinct digits such that their sum is 19 and such that exactly two of its digits are prime, for example 0397. The number of posibilities for the password is

a)168 read more ..

Jeffreymars16 Mar 13, 2018

+3

1079

2

+132

Maths Olympiad Question( Please help!!!)

What is the smallest prime divisor of (5^1999) + (6^1999) ?

a)2 b) 5 c)7 read more ..

Jeffreymars16 Mar 13, 2018

+2

1034

3

+132

Olympiad question. ( Please help ASAP. Preparing for Olympiad)

Three men are gambling at a bar. They start with money in the ratio 7:6:5 and finish with sums of money in the ratio 6:5:4 (in the same order as before). One of them won $12. How many dollars did he start with?

a) 420 read more ..

Jeffreymars16 Mar 12, 2018

+3

8

7797

6

+132

Extremely Complicated Question

A fish has a head 9" (inches) long. The tail is equal to the size of the head plus one-half the size of the body. The body is the size of the head plus the tail. How long is the fish?
Please, those of you who know how to do it, help me to understand answer read more ..

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Jeffreymars16 Nov 9, 2017

+8

2611

1

+132

Mensuration - volume

A toy consists of a cylinder of diametre 6 cm 'sandwiched' between a hemisphere and a cone of the same diameter. If the cone is of height 8cm and a cylinder is of height 10cm, what is the volume of the toy.

Jeffreymars16 Jun 1, 2017

+8

1147

4

+132

Word Problems

If it takes Mike and Joshua 2 hours to do a certain job, and it takes Mike and Kelvin 3 hours to do the same job, how long would it take for Mike, Joshua and Kelvin to do the job if all 3 of them worked together?

Jeffreymars16 May 31, 2017

+8

2

4631

2

+132

Mensuration

A square wall is covered with square tiles. There are 85 tiles altogether along the two diagonals. How many tiles are there on the whole wall.

Jeffreymars16 May 18, 2017