The sum of factors of 19600 is:
Sum of the digits of a 3-digit number is subtracted from the number. The resulting number is always divisible by what?
In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?
A bowl is filled with 2 red, 3 yellow, and 2 blue stones. 2 stones are to be drawn randomly. Find the probability that the drawn stones do not contain a blue stone.
Keshav placed his analog clock on the table so that at 6 PM, the hour hand points to the North. In which direction will the minute hand be pointing at 9:15 PM?
Tutu pays 60% of his salary as house rent, 15% of salary as loan instalment and he still saves Rs. 900 after spending Rs. 1,800 on other household goods. What is his salary in Rs?
A and B can do a piece of work in 20 days, B and C can do the same work in 15 days and A, B and C can do the same work together in 10 days. Find the time taken by B to complete the work alone.
Chennai and Mumbai are 1340 km apart. Ajay starts from Chennai at 11 am and travels towards Mumbai at a speed of 40 km/h, while Balu starts from Mumbai at 1 pm and travels towards Chennai at a speed of 80 km/h. At what time will they meet if they take the same route and drive continuously?
Rakesh is standing at a point. He walks 20 m towards the East and further 10 m towards the South, then the walks 35 meter towards the West and further 5 meters towards the North, then he walks 15 m towards the East. What is the straight distance in meters between his starting point and the point where he reached last?