Question
The sum of HCF and LCM of two numbers is 450. If the LCM
is 14 times the HCF, and one number is 42, what is the second number?Solution
ATQ,
Let HCF = x
LCM = 14x
x + 14x = 450
β 15x = 450
β x = 30
Now,
42 Γ y = 30 Γ 14 Γ 30
β 42y = 12600
β y = 12600 Γ· 42 = 300
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
128 * 4 * 12 * 3 * 8 = 20
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
24 * 2 * 16 * 2 * 13 = 53
Which two signs should be interchanged to make the following equation correct?
36 β 36 Γ· 9 + 8 Γ 4 = 8
Which among the given operators should replace the β%β (in the same order) in the given expression below:
9 % 14 % 9 % 90 % 42 % 15
If '+' means 'Γ', 'Γ' means '-', 'Γ·' means '+', and '-' means 'Γ·', select the number from the given options that can replace the question mark '?' i...
Select the correct combination of mathematical signs that can sequentially replace the '$' signs and balance the given equation.
6 $ 42 $ 14 $ 6 $ 40 = -16
- If 'P' means 'division', 'Q' means 'subtraction', 'R' means 'addition', and 'S' means 'multiplication', then what is the value of the expression:
{... If '@' means ' X ', '$' means '-', '#' means 'Γ·', and '%' means '+', then what is the value of the expression: [75 % {(169 $ 15) # 11} @ 8]
Select the option that is related to third number-cluster in the same way first and fifth number-cluster is related to second and sixth number-cluster....
Select the correct combination of mathematical signs that can sequentially replace β*β sign and balance the equation given below.
66 * 32 * 8...