Maths For Kids

Question : 1) The sum of the prime factor of 63 ? 2) How many right angles are there in 4 complete turns ? 3) If ( K - 8 ) is the HCF of 56 and 84 , then the value of K? 4) Complete the series  1 , 4  , 2  , 8  , 6 , 24 , 22 , 88 , __ ? 5) If one third of the tank hold 60 litres of water , then the quantity of water that half of the tank holds 6) Five electronics devices make a beep after every 30 minutes , 45 minutes , 1 hour 10 minute , 1 hour 15 minutes and 1 hour 45 minutes respectively . If all the devices beeped together at 10 O'clock then will together at what time ?   ( Clue : Find LCM ) 7) How many minimum squares must be shaded to make the given figure symmetric ? 8) Find the Area  and Perimeter of the given figure 9) Express 15 seconds as a percentage of 4 minutes 15 seconds 10)  Find the lowest number which when divided by 112 , 140 and 160 leaves a remainder 5 in each case ( clue LCM + 5 ) 11) A , B and C ...

Question : Albert and Bernard just become friends with Cheryl , and they want to know her birthday is .Cheryl gives them a lsit of 10 possible dates May 15                       May 16                        May 19 June 17                       June 18 July 14                        July 16 August 14                   August 15                  August 17 Cheryl then tells Albert and Bernard separately the month and day of her Birthday respectively Albert : I do not know when Cheryl's birthday is , but I know that Bernard does not know too. Bernard : At first I do not know when Cheryl's birthday is , But I know now. Albert : Then I also know when Cheryl's bi...