Posted 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 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 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 […]

ContinuePosted by admin at November 21, 2020

Q1. Look at this series: 2, 1, (1/2), (1/4), … What number should come next? Q2 Look at this series: 7, 10, 8, 11, 9, 12, … What number should come next? Q3. Look at this series: 36, 34, 30, 28, 24, … What number should come next? Q4. Look at this series: 22, 21, […]

ContinuePosted by admin at

Two numbers are in the ratio 2 : 3. If their L.C.M. is 48. what is sum of the numbers?दो संख्याएँ 2 : 3 के अनुपात में हैं: यदि उनके एल.सी.एम. 48. संख्याओं का योग क्या है? What is the greatest number of four digits which is divisible by 15, 25, 40 and 75 ?चार […]

ContinuePosted by admin at November 19, 2020

Two numbers are in the ratio 2 : 3. If their L.C.M. is 48. what is sum of the numbers? What is the greatest number of four digits which is divisible by 15, 25, 40 and 75 ? Three numbers are in the ratio of 2 : 3 : 4 and their L.C.M. is 240. […]

ContinuePosted by admin at August 4, 2019

The average weight of 39 Students in a class is 23. Among them Sita is the heaviest while Tina is the lightest. If both of them are excluded from the class still the average remains same. The ratio of weight of Sita to Tina is 15:8.Then what is the weight of the Tina? 1. 15 […]

Continue