Question
The total surface area of a cube
is given as 486 cm². What is the volume of the cube?Solution
ATQ, Surface area of the cube = 6 X (edge)2 6 X (edge)2 = 486 Or, (edge)2 = 81 So, length of the edge of the cube = 9 cm So, volume of the cube = (edge)3 = 93 = 729 cm3
If 'A' means ' X ', 'B' means '÷', 'C' means '+' and 'D' means ' - ', then what will come in the place of '?' in the given expression?
144 B ...
Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.
25 * 55 * 30 * 66 * 48 = 48
If ‘A’ means (×), ‘B’ means (÷), ‘C’ means (-), and ‘D’ means (+), then what is the value of the expression:
8 A 16 B 4 C 14...
If ‘+’ means ‘–’, ‘–’ means ‘×’, ‘×’ means ‘÷’, ‘÷’ means ‘+’, then what will come in place of the question mark...
If ‘@’ means (+), ‘#’ means (-), ‘%’ means (×), and ‘&’ means (÷), then what is the value of the expression:
24 @ 20 & 2 % 3 # ...
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
128 * 4 * 12 * 3 * 8 = 20
How many meaningful four-letter words can be formed using the 1st, 3rd, 7th, and 8th letters of the word 'PERIPHERAL'?
Which of the following “signs” are placed in place of “symbols” given in the equation to make the equation true?
36 $ 12 % 6 + 8 – 9 @ ...
If ‘@’ means ‘+’, ‘#’ means ‘-’, ‘$’ means ‘×’ and ‘%’ means ‘÷’, then what is the value of the following expression?<...
Which among the given operators should replace the “%” (in the same order) in the given expression below:
5 % 10 % 5 % 36 % 15 % 6
Relevant for Exams:
