Please explain 3,4
. There are n students in a class. A teacher gave them the task of finding average of first n natural numbers. Each student missed a different number and got 21 as the average. Find n
Please explain 2,3,4,5 . Thankyou
I am not able to reply can anyone help
Find the number of real roots of the equation: 5x^5 -4x^4 -2x^2 −4=0.
a.) 0 b.) 1 c.) 2 d.)can't be determined
Couldn't do this. Anyone?
Writing my previous question : Anand sold his motorcycle at 15% loss to Sanjay and again bought it from him. If Sanjay made a profit of 15% and the original cost of the motorcycle was Rs45000, find the loss incurred by Anand.
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A starts from a point P at 6:30 AM and reaches Q at 8:30 A.M. B starts from Q at 6 A.M and reaches P at 8:48 A.M. When will they meet?
Q.no 20!
Approach ?
Balu went to casino to play a card game. At the end of each round the amount with him doubled and he gave RS 2048 to his friend. After playing 10 rounds he was left with no money. Find the initial amount amount with which he has started.?
Q12 - shortcut
Frnds, provide me pdf , for shortcuts in Quantitative aptitude and reasoning
Plz explain 9,10,11 in 9 I am getting weight of gold as 60 but not able to get for platinum and in 10 I am able to form the equation but some mistake is there please explain
Can anyone explain why we are considering 13 months at first while calculating 395 days, but when it comes to next step it is multiplying by 12 only?
Question:
Pavan, Ramesh, Sameer and Tarun had a total of Rs.280 with them. Pavan had twice the sum of the amounts with Ramesh and Sameer. Ramesh had one - third of the sum of the amounts with Sameer and Tarun. Sameer had one - eleventh of the sum of the amounts with Pavan and Tarun. Find the amount with Pavan (in Rs.).
Question:
Ramu and Shyamu started a business with the same investment. Starting with the second month, each month, Ramu increased his investment by Rs.500 and Shyamu increased his investment by Rs.1000 over the previous month. They wind up the business after six months. Ratio of the profits of Ramu and Shyamu is 5 : 6. Find the investment of each in the first month (in Rs.)
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