Anoop multiplied two 2-digit natural numbers. He then reversed the digits of each number and fund the product of the resultant numbers. Interestingly, he found both products to be the same. If the product of the tens digit of the two numbers is prime, find the sum of all possible products that Anoop could have obtained.
Solution please
Akash implements a certain project work such that everyday his efficiency falls by 36% of that of previous day. If he completes the implementation of project work in 15 days, then find the number of days in which Akash can implement another project which is 18 times more than his work and where his efficiency falls everyday by 20% of that of the previous day.
How to solve this?
) 10% of salty sea water contained in a flask was poured out into a beaker.After this, a part of the water contained in the beaker was vapourised by heating and due to this, the percentage of salt in the beaker increased M times. If it is known that after the content of the beaker was poured into the flask, the percentage of salt in the flask increased by x%,find the original quantity of sea water in the flask.
Please help with Q. 23
Kindly explain the approach
Kindly explain the approach
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At a construction site, if the workers are 6 less than the usual number, the hours required to complete a task are 2 more than the usual but 7 less than what would be required if one-third of the workers were absent. How many hours will be required if there are 20 more workers than the usual?
Guys. .can't we have access to CAT 2016 actual question paper ? I found only the memory based paper. But didn't get the actual paper in any website .
Please provide approach
Hey please explain m getting 13
If P(x) = (x+x^2+x^3+x^4+x^5+x^6)^3, what is coefficient of x^7?
86. A 14.4 kg. gas cylinder runs for 104 hours when the smaller burner on the gas stove is fully opened while it runs for 80 hours when the larger burner on the gas stove is fully opened. Which of these values are the closest to the percentage difference in the usage of gas per hour, of the smaller burner over the larger burner?
Seven Hockey teams A, B, C, D, E, F and G participated in a tournament. Each team played with every other team twice and D won all of its games and F lost all of its games. B and G scored equal points and are ahead of C. C, A and E also scored equal number of points. Each team gets 3 points, 1 point and no point for a win, draw and loss respectively.
What is the least possible number of points that can be scored by team G?
53^123 /100 ? Could someone please help me with the approach?
Any please explain this!! Answers is 901
Please help me with this one
Ajay was supposed to reach Allahabad railway station in a train from Kanpur at 9 AM. His friend, Vijay, would meet him at the railway station at 9 AM and drive him home in his car. However, the train reached Allahabad railway station early at 7 AM. On reaching Allahabad station, when Ajay called Vijay, he found that Vijay had just left for the station. In the meantime, Ajay took a horse-cart towards Vijay's house. When Ajay was on his way, Vijay met him and drove him back home. They reached Vijay's home at 10 AM. What was the ratio of the distance covered by Ajay in the horse-cart to the distance covered by him in the car? (Assume no time lag between the intermediate activities: calling Vijay, taking the horse cart and shifting to Vijay's car) ?
ram and shyam start simultaneously from point A and B (210m apart) respectively and keep running between the ends for infinite time with the speeds 2m/s and 5m/s respectively.find the time taken by them to meet for the third time.