If in the word “DISCOUNT” all the letters are arranged in alphabetical order from left to right, then the position of how many letters will remain unchanged?
Starting from point A, Ravi walks 20 m towards the north. He then takes a right turn and walks 100 m. Then, he takes another right turn and walks 30 m. From there, he turns to his right and walks 70 m. Then, he takes a left turn and walks 50 m. Finally, he takes a right turn and walks 30 m. How far and in which direction is Ravi now from point A? (All turns are 90 degree turns only.)
Amit told Shweta, “To reach our apartment, your mother must walk 560 m towards the east from her restaurant. She must then take a right turn and walk 543 m. She must make another right turn and walk 560 m. Then she must take one final right turn and walk 120 m”. How far and in which direction is the apartment from the restaurant? (All turns are 90 degree turns only)
This question is based on the five, three-digit numbers given below.
(left) 434 353 423 224 322 (right)
(Example: 246 – first digit = 2, second digit = 4, third digit = 6)
NOTE – All operations to be done from left to right.
If 4 is added to the second digit of every number, in how many numbers thus formed will the second digit be exactly divisible by the third digit?
10 years ago, the ratio of the ages of A and B was 5 : 9. 15 years from now, the ratio of their ages will be 15 : 17. What will be A’s age 15 years from now?
