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ZebuSanctuary

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kuiperbelt

Birthday By Numbers

Should I live long enough to see it, on my birthday in the year 2025, my age will be equal to the sum of the digits of my birth year. I will still be less than 100 years old. What is my birth year and...
14:23 Tue 04th Jul 202329 answers, last by ToraToraTora 15:41 Sat 08th Jul 2023
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kuiperbelt

Is My Neighbour Right??

If you put one grain of rice on the first square of a chess board, then 2 grains on the second square, 4 grains on the third, 8 grains on the fourth and so on, until the 64th square, my neighbour...
06:47 Fri 30th Jun 202314 answers, last by mibn2cweus 21:48 Wed 05th Jul 2023
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kuiperbelt

Warning This Is Exceptionally Difficult!!

Nine 3x3 squares make up a grid containing 3 rows (R1, R2 and R3). Determine which symbols (X, O and ▲) fit into the bottom left 3x3 square. Please see link below: https://ibb.co/Yh18YKj...
11:39 Fri 16th Jun 20232 answers, last by kuiperbelt 06:50 Fri 30th Jun 2023
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kuiperbelt

Exactly Doubled

A genuine mathematical question: Find a number so that when its last digit is put in front, the number is exactly doubled. eg 1. 25 becomes 52 (slightly more than doubled) eg 2. 112 becomes 211 (which...
08:46 Fri 09th Jun 202312 answers, last by elliemay1 13:24 Fri 09th Jun 2023
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kuiperbelt

Family Tree - Warning This One Is Tough!!

Emily was compiling her family tree and was determined to find out when her great, great grandmother was born. She had managed to recover a letter written by her great, great, great grandfather to his...
12:29 Sun 04th Jun 20232 answers, last by ZebuSanctuary 17:45 Sun 04th Jun 2023
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kuiperbelt

Circle Geometry - Tough Question

I have the answer but how on earth was it arrived at?? https://ibb.co/qyBzJ4w...
15:21 Thu 01st Jun 20238 answers, last by ClareTG0ld 15:39 Mon 05th Jun 2023
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kuiperbelt

Router Config

If you have a network id of 172.88.10.0 (class c) and require 8 host IDs for each subnet, can the subnet mask 255.255.255.248 /29 be assigned?? Asking for a friend. TIA :-)
13:58 Mon 29th May 20231 answer, last by ZebuSanctuary 17:53 Tue 30th May 2023
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kuiperbelt

My Last Gcse Math Question - Ever!!

Please see link below: https://ibb.co/gtQzffS...
19:07 Sun 14th May 202315 answers, last by ToraToraTora 17:19 Tue 16th May 2023
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kuiperbelt

Just For Fun - Who Is Telling The Truth

There are three people (Alex, Ben and Cody), one of whom is a knight, one a knave, and one a spy. The knight always tells the truth, the knave always lies, and the spy can either lie or tell the...
19:05 Sun 14th May 20235 answers, last by kuiperbelt 17:10 Tue 16th May 2023
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kuiperbelt

Student Neighbour - Matrix Algebra

Neighbour asks if someone could please present the answer using matrix algebra to the transformer question in the link. TIA!! https://ibb.co/DVchSrD...
17:00 Sun 07th May 20239 answers, last by ZebuSanctuary 15:31 Sat 13th May 2023
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kuiperbelt

Help Needed For Nephew

The Train https://ibb.co/G5mthxP...
12:20 Mon 01st May 20235 answers, last by kuiperbelt 15:27 Tue 02nd May 2023
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kuiperbelt

G C S E

Please see link below: https://ibb.co/vBkWFCy...
11:01 Mon 24th Apr 202310 answers, last by JJ109 08:33 Tue 25th Apr 2023
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kuiperbelt

G C S E

Please see link below: https://ibb.co/6ByjcM5...
11:00 Mon 24th Apr 20231 answer, last by ZebuSanctuary 15:22 Mon 24th Apr 2023
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kuiperbelt

G C S E

Please see link below: https://ibb.co/Ryw3B0F...
13:22 Sat 22nd Apr 20232 answers, last by kuiperbelt 11:13 Mon 24th Apr 2023
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Chipchopper

What Should I Do ?

I think I'm addicted to seaweed
06:16 Sat 22nd Apr 202312 answers, last by SlackAlice 07:55 Wed 26th Apr 2023
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kuiperbelt

Unusual Shape For A Matchbox

A matchbox consists of a tray inside an open ended cover. The ends are of square cross section and the volume is 250 square cms. If the depth of the tray is y cm, neglecting the thickness of the...
14:34 Thu 20th Apr 20238 answers, last by ZebuSanctuary 15:40 Mon 24th Apr 2023
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kuiperbelt

A S Level Nephew Problem

A farmer is to enclose an area of land using a dry stone wall and 200 metres of picket fencing. The rectangular plot is for home grown produce to meet his ever growing family's needs. You must show...
14:05 Wed 19th Apr 202310 answers, last by kuiperbelt 14:38 Thu 20th Apr 2023
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kuiperbelt

Student Neighbour Problem

A 1000 kg car is placed on the large piston of an hydraulic system whose radius is 5 metres. a.)What is the minimum force exerted by the large piston to lift the car? b.)If the mechanical advantage of...
14:00 Wed 19th Apr 20232 answers, last by ZebuSanctuary 10:33 Thu 20th Apr 2023
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kuiperbelt

This Is Not An Exam Question!!

Neighbour and his Dad possess 2 x 2500 Watt loudspeakers with built in Amplifiers. He believes on max output they would draw nearly 20 Amps each. He is afraid this will trip the 32Amp ring breaker....
13:02 Mon 17th Apr 20236 answers, last by ZebuSanctuary 17:22 Tue 18th Apr 2023
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kuiperbelt

G C S E More Sweets

There are N sweets in a bag. Eight of the sweets are red. The rest of the sweets are green. Jack takes a random sweet from the bag. He eats the sweet. Jack then takes at random another sweet from the...
13:23 Sat 15th Apr 202310 answers, last by bobbinwales 17:59 Tue 18th Apr 2023

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