Gwajin IQ mafi guntu

Farfesa Shane Frederick na Cibiyar Fasaha ta Massachusetts ya ƙirƙiri mafi ƙarancin gwajin IQ wanda ya ƙunshi tambayoyi uku kawai.

A cewar jaridar Mirror Burtaniya, cewa an ƙirƙira wannan gwajin ne a 2005 don tantance iyawar fahimi, kuma yanzu an buga shi a Intanet.

Tambayoyin da aka haɗa cikin gwajin

1- Rakket da kwallon Tennis suna da darajar $ 1.10 tare. Kuma raket ɗin ya fi ƙwallo tsada da dala ɗaya.

Nawa ne kwallon shi kadai?

2- Injini guda biyar a masana'antar masaku suna samar da guda biyar cikin mintuna biyar.

Minti nawa ne ake ɗaukar injinan 100 don samar da guda 100?

3- Suna girma a cikin tafkin ruwan furanni. Inda a kowace rana adadinsu ya ninka, kuma an san cewa waɗannan furannin za su iya rufe saman tafkin cikin kwanaki 48.

Kwana nawa ne lily ke buƙatar rufe rabin saman tafkin?

Inda farfesan ya gudanar da gwaji wanda kusan mutane dubu uku daga fannoni daban -daban da matakan ilimi daban -daban suka halarta, kuma kashi 17% daga cikinsu sun sami damar bayar da amsar daidai ga waɗannan tambayoyin. Farfesan ya yi nuni da cewa gwajin a kallon farko yana da sauƙi, kuma yana da sauƙin fahimta bayan fayyacewa, amma don amsar daidai amsar da ke fara zuwa zuciya dole ne a yi watsi da ita.

amsoshi na kowa

Waɗannan tambayoyin sune cents 10, mintuna 100, da kwana 24, bi da bi. Amma waɗannan amsoshin ba daidai ba ne. saboda

daidai amsoshi

A haƙiƙa cents 5 ne, mintuna 47, da kwana XNUMX.

Bayanin amsoshin kamar haka

Idan farashin jemage da ƙwallon a tare shine 1.10, kuma farashin raket ɗin ya fi farashin ƙwallo da dala ɗaya, kuma muna ɗauka cewa farashin ƙwallon shine "X", to farashin farashin jemage da kwallon tare shine "X + (X + 1)."

Wato, x + (x + 1) = 1.10

Wannan yana nufin cewa 2x+1 = 1.10

Wato, 2x = 1.10-1

2x = 0.10

x = 0.05

Wato, farashin ƙwallon “x” daidai yake da cents 5.

Idan injina 5 a cikin injin yadi suna samar da guda 5 a cikin mintuna 5, to kowane injin yana ɗaukar mintuna 5 don samar da yanki ɗaya. Kuma idan muna da injinan 100 suna aiki tare, za su samar da guda 100 a cikin mintuna 5 ma.

Idan adadin furannin ya ninka, wato, kowace rana ninki biyu ne na ranar da ta gabata, kuma kowace ranar da ta gabata rabi ce ta yau, ma'ana lilies za su rufe rabin saman tafkin a ranar 47.

Source: RIA Novosti