Question
Three numbers a, b and c are co-prime to each other
such that ab = 221 and bc = 247. Find the value of (a + b + c).Solution
Given, ab = 221 and bc = 247 Therefore, their H.C.F = b = 13 Therefore, a = 221/13 = 17 And, c = 247/13 = 19 Therefore, a + b + c = 17 + 13 + 19 = 49
Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.
432 * 6 * 9 * 1...
If P denotes ‘multiplied by’, T denotes ‘subtracted from’, M denotes ‘added to’ and B denotes ‘divided by’, then 50 B 5 P 16 T 15 M 13 ...
- Which two signs should be interchanged to correct the given equation?
5 + 3 × 8 – 12 ÷ 4 = 3 If ‘+’ means ‘-’, ‘×’ means ‘+’, ‘-’ means ‘÷’ and ‘÷’ means ‘×’, then what is the value of the following expression...
If '-' means '÷', '+' means ' X ', '÷' means '-' and ' X ' means '+', then what is the value of the following expression?
540 - 18 + 2 X 56 ...
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
23 * 2 * 2 * 5 * 18
If 236 = 33, 487 = 57, 6391 = 57, then 851 = ?
If × stands for 'addition', ÷ stands for 'subtraction', + stands for 'multiplication' and - stands for 'division', then 31 × 18 ÷ 20 - 5 + 9 = ?
What will be the value of the given expression after the following interchanges?
Expression: 324 + 22 - 7 X 4 ÷ 36 - 28
Interchanges: Sig...
Select the different combination of mathematical signs that can sequentially replace the # sign and balance the given equation.
63 # 9 # 52 # 10 # 4 = 19
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