Posted by Anjum Shekh at April 14, 2022

Upper bound of set S = { x1, x2, x3 ,x4,………..xn } is non- empty set then a finite real number m is said to be an Upper bound of S. If xi <= m ∀i=1, 2, 3, 4……… also all the real number which are greater than M are also upper bound of set […]

ContinuePosted by admin at August 21, 2021

. If + means ÷, × means –, – means × and ÷ means +, then 38+19 – 16 x 17 ÷ 3 = ? 2. If a means +, b means –, c means × and d means ÷, then 18 c 14 a 6 b 16 d 4 = ? 3. If A means +, B means […]

ContinuePosted by admin at August 20, 2021

BODMAS meaningWhen presented with a number sentence containing more than one operation (such as 3 + 4 x 2) the operations cannot be completed from left to right, but instead in their order of “importance”, which is what BODMAS stands for. BODMAS stands for: BracketsOrdersDivision/MultiplicationAddition/Subtraction “Orders” means square roots and indices (which you may know […]

ContinuePosted by admin at August 5, 2021

What is Factorization in Mathematics? Factorization of an algebraic expression means writing the given expression as a product of its factors. These factors can be numbers, variables, or an algebraic expression. To the factor, a number means to break it up into numbers that can be multiplied to get the original number. For example, 1. […]

ContinuePosted by admin at July 6, 2021

The Armstrong number definition is the number in any given number base, which forms the total of the same number, when each of its digits is raised to the power of the number of digits in the number. For example, using a simple number 153 and the decimal system, we see there are 3 digits in it. […]

ContinuePosted by admin at December 30, 2020

If 1=3 2=3 3=5 4=4 5=4 Then, 6=? What is the number of the parking space covered by the car? Replace the question mark in the above problem with the appropriate number. Which number is equivalent to 3^(4)÷3^(2) There are 49 dogs signed up for a dog show. There are 36 more small dogs than […]

ContinuePosted by admin at December 15, 2020

Euler’s riddle: Two traders went to a market to sell eggs. Each of them had her own eggs and they had 100 eggs altogether. After selling all their eggs they earned the same amount of money. One of them says to the other: If I had as many eggs as you had, I would have earned […]

ContinuePosted by admin at December 1, 2020

A can do a work in 15 days and B in 20 days.If they work on it together for 4 days, then the fraction of the work that is left is: 2) A can lay railway track between two given stations in 16 days and B can do the same job in 12 days, with […]

ContinuePosted by admin at November 29, 2020

एक बेईमान डीलर अपने माल को लागत मूल्य पर बेचने का दावा करता है, लेकिन 1 किलो के बजाय 800 ग्राम वजन का उपयोग करता है। उसका वास्तविक लाभ प्रतिशत ज्ञात कीजिए। 90 किमी / घंटा के साथ एक ट्रेन 36 सेकंड में एक पुल को पार करती है। एक अन्य ट्रेन 100 मीटर छोटी […]

ContinuePosted by admin at November 24, 2020

राजू के स्नानघर में 3 नल हैं। यदि वह 1 केवल नल को पूरी तरह से खोलता है तो बाल्टी को भरने में 10 मिनट लगते हैं। अगर वह केवल नल 2 को पूरी तरह से खोलता है तो बाल्टी को भरने में 15 मिनट लगते हैं, और यदि वह केवल नल 3 को पूरी […]

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