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The given number can only be completely divided by 11 if the difference between the sum of digits at the odd position and the sum of digits at the even position in a number is 0 or 11. 1987645 1+8+6+5=20 9+7+4=20 =20-20=0.
A person travelled a distance of 190 km in 5 hours. He travelled partly on a car at the speed of 70 kmph and partly on cycle at 30 kmph. What is the dis...
A and B are the roots of equation x2 - 13x + k = 0. If A - B = 5, what is the value of k?
A set (Set ‘P’) of 4 pipes can fill ______% of a tank in 5 minutes while another of set (Set ‘Q’) of 5 pipes can empty the 60% of completely fil...
The downstream speed of a boat is 4 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream ...
If the sum of the squares of the roots of p2 - (x-2)p - (x+1) = 0 is 5 then what is the value of x.
A boat takes 7 hours to cover 294 km upstream and 9 hours to cover 486 km downstream. Find the time taken by the boat to cover 720 km upstream and 616 k...
Jaya goes to station at a speed of 6 km / hr and returns back at a speed of 9 km / hr. If she takes 5 hrs. in all. Find the distance between her home an...
Manoj alone can complete 35% of a work alone in 7 days. Vipin is 20% less efficient than Manoj. Manoj and Vipin together started the work and left after...
Open, print and save button are all located on_____________
In which of the following group, Header and Footer can be found on the insert button while using PowerPoint?
