Suppose $p * q = 2 p + 2 q - p q$ where $p, q$ are natural numbers. If $8 * x = 4$ , then what is the value of $x$ ?

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

3

No worries! We‘ve got your back. Try BYJU‘S free classes today!

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $2$
As $p * q = 2 p + 2 q - p q$
$\Rightarrow 8 * x = (2 \times 8) + 2 x - 8 x = 4$
$\Rightarrow 16 - 6 x = 4$
$\Rightarrow x = 2$

Suggest Corrections

Similar questions

2 x^{2} + 3 x + 4

p^{2} q + q^{2} p

Question 4 (iii)

Subtract $4 p^{2} q - 3 p q + 5 p q^{2} - 8 p + 7 q - 10 f r o m 18 - 3 p - 11 q + 5 p q - 2 p q^{2} + 5 p^{2} q .$

4 p^{2} q - 3 p q + 5 p q^{2} - 8 p + 7 q - 10

18 - 3 p - 11 q + 5 p q - 2 p q^{2} + 5 p^{2} q

If 14 is the HCF of 4p and 21q, then the minimum value of p and q, given p and q are natural numbers are:

y^{2} + 4 y + 4 x + 2 = 0

x = \frac{p}{q},

p

q

p q

Join BYJU'S Learning Program