There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?
A network of 20 x 10 squares is given to you. Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?
Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?
Can you find out which number multiplied by itself will give the output as 12345678987654321?
What is next number in the pattern below: 131 517 192 123 ?
Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?
A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result. Can you find how bias is the floor in this case?
Look at this sequence from top to bottom. What is the next number in the sequence? 1 11 21 1211 111221 312211
Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?
Rectify the following equality 101 - 102 = 1 by moving just one digit.
A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa. He collects a total of 324 coins. Can you tell me how many number of 20-paisa and 25-paisa he got?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.