Posted 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 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 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 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, […]

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What are the last two digits of the number 7^45 07 23 49 43 Sol: The last two digits of 7^1 are 07.The last two digits of 7^2 are 49.The last two digits of 7^3 are 43.The last two digits of 7^4 are 01.The last two digits of powers of 7 go in a cycle – 07, 49, 43, […]

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 […]

ContinuePosted by admin at June 22, 2019

Compare the rates of two trains, one travelling at 45 km an hour and the other at 45 km an hour and the other at 10 m a second. (a) 4 : 5 (b) 3 : 5 (c) 5 : 4 (d) 5 : 4 (e) None of these A train covers a distance in […]

ContinuePosted by admin at June 20, 2019

Cost Price: The price at which an article is purchased is called cost price (CP) of the acrticle Selling Price The price at which an article is sold is called cost price (SP) of the acrticle Practice Questions Cost of 3 cricket balls = cost of 2 pairs of leg pads cost of 3 pairs […]

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SPEED, TIMES AND DISTANCE Concept of speed, time and distance is based on the formula Speed × time=Distance Speed(s): The rate at which any moving body covers a particular distance is called is speed. Speed= Distance/Time; Time(t): It is the time duration over which the movement has occurred. The unit used for measuring time is […]

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A, B and C invested capitals in the ratio 4 : 5 : 6. At the end of the business term, they received the profits in the ratio 2 : 3 : 4 Find the ratio of time for which they contributed their capitals. (a) 6 : 5 : 8 (b) 6 : 5 : […]

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