What is the unit digit in the product (356 × 665 × 771)?
If the numbers 16, 3-b, and a-2 are in arithmetic progression, find the value of a+2b.
The sum of three consecutive integers is 102. What is the lowest of the three integers?
Walking with 4/5 of my usual speed, I miss the bus by 5 minutes. What is my usual travel time?
A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, then how old is B?
What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
The average of Sohan's marks in 6 subjects is 74. If his average in five subjects excluding science is 70, how many marks he obtained in science?
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are drawn at random, what is the probability that at least one is green?
A boat is rowed down a river 28 km in 4 hours and up the same river 12 km in 6 hours. Find the speed of the boat in still water and the speed of the river.
A salesman's terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs. 1,000 plus 2.5% commission on all sales exceeding Rs. 4,000. If his remuneration under the new scheme was Rs. 600 more than the previous scheme, what were his sales worth?