Bill and Clinton take the square of a certain decimal number and express it in base 5 and 6 respectively. Then Bush comes and he takes the two representations and assuming that the expressions are in base 10, adds the numbers. Which of the following cannot be the value of the unit's digit of the sum obtained?
a. 0 b. 2 c. 8 d. 6 e. 3
a train X depart fm station A at 11am for B, which is 180 km away. Another train Y depart fm B at 11am for A. Train X travel at an avg. speed of 70km/hr and does not stop anywhere until it arrive at station B. train Y travel at a speed of 50km/hr but has to stop for 10 minutes at station C, 60 kms away fm station B enroute to station A. Ignoring the lenght of train what is d distance to nearest km from station A to the point where train cross each other???
a train X depart fm station A at 11am for B, which is 180 km away. Another train Y depart fm B at 11am for A. Train X travel at an avg. speed of 70km/hr and does not stop anywhere until it arrive at station B. train Y travel at a speed of 50km/hr but has to stop for 10 minutes at station C, 60 kms away fm station B enroute to station A. Ignoring the lenght of train what is d distance to nearest km from station A to the point where train cross each other???
one bacteria split into eight bacteria of d next generation. but due ti environment only 50% of a generation servive. if the 8th generation number is 8192 million what is d number in first generation???
13 th
3rd
Can someone help me with the first one . Topic:- Maxima and Minima
Had a trader bought an item at 10% less and sold it at 10% more, he would have doubled his profit %. what was the original profit % ?
There are three equal circles of 6cm each of which passes through the
center of each of the other two circles what is the area common to all ? please explain the solution too
Guys how to improve speed in quant and di lr?
Solution guys!!!
One more!!!
When a train started from the first station, the number of male passengers to the number of female passengers was 7:2. At the first station, 60 passengers got down and 16 more female passengers got in. The ratio of the male to female passengers now became 3:1. What was the total number of passengers in the train when it started from the first stop?
How to solve this?
Can somebody help me in the approach for the below problem..
2a^2 + 17b^2 + 8c^2 - 6ab - 20bc = 0 and abc not equal to 0
Find the ratio of a: b : c ?
Is there any official LRDI thread? Can someone please link me to it
Q10 plz...