Which of the following substances will turn red litmus paper blue?
Red litmus paper turns blue in the presence of a base. Baking soda solution is basic in nature, which is why it turns red litmus paper blue.
If A $ B means A X B, A € B means A ÷ B, A & B means A + B and A @ B means A - B, then what is the value of '178 & 100 € 25 @ 18 $ 4 & 22'?
...If four hats are picked at random, what is the probability that one is green, two are blue and one is red?
Which two signs need to be interchanged to make the following equation correct?
62 – 14 × 75 ÷ 15 + 50 = 82
By interchanging the given two signs and numbers which of the following equation will be correct?
× and +, 6 and 4
If ‘*’ represents 12, '@' represents 48, '$' represents 24, and ‘!’ represents 6, then what mathematical equation below will be ...
If $ means +, # means - , @ means x and * means ÷, then what is the value of 22 $ 3 @ 10 # 21 * 7 =?
In the following question, which mathematical operators can be used so that the expression will become correct?
9 * 6 * 28 * 4 * 30
Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.
22 @ 6 @ 18 @ 17 @ 2
Which two digits and signs can be interchanged so as to balance the given equation?
406- 102 + 128 X 5 ÷ 58 = 545
What will be the value of expression if the signs ‘(x)’ and ‘(+)’ are interchanged?
728 ÷ 13 x 20 ÷ 4 + 8 – 9
