Question
5 dogs can eat 5 biscuits in 5 minutes. In how many
minutes can 10 dogs eat 10 biscuits?Solution
It takes 5 dogs to eat 5 biscuits in 5 minutes So we have to calculate the rate in which 1 dog can eat 1 biscuit. 1 dog will need (5 x 5 = 25) minutes  to consume the 5 biscuits So 1 dog will consume 1 biscuit in (25/5) = 5 minutes So in 1 minute the dog consumes (1/5) of the biscuit. Now 10 dogs can consume at the rate of (10 x (1/5)) = 2 biscuit per minute. Number of biscuits to be consumed by the 10 dogs = 10 Time taken = (10/2) = 5 minutes.
A cube is made by following the given sheet. In the cube so formed, What would be the symbol on the opposite side of the # Symbol?
Select the correct combination of mathematical signs from the options given to replace # signs and get a balanced equation. 24 #8 #4 # 10 # 2

Which one of the following is correct?
28 * 7 * 8 * 10
Which two signs should be interchanged to make the given equation correct?
225 + 5 × 3 ÷ 5 – 7 = 133
If 'P' denote '÷', 'θ' denotes 'x', 'R' denotes '+' and 'S' denotes '-', what is the value of ' 18 θ 12 P 4 R 5 S 6 '.
If ‘#’ denotes ‘-‘, @ denotes ‘×’, ‘$’ denotes ‘+’ and ‘%’ denotes ‘÷’, thenÂ
20 $ 15 # 10 @ 45 % 15
...Select the correct combination of mathematical signs to sequentially replace the signs, to balance the following equation.
(12*7*6)* 13 *6
After interchanging '- ' and '+ ' , 6 and 7 , which of the following equations becomes correct?
...After interchanging ÷ and × , 4 and 8, which of the following equations becomes correct?