The sum of 2A5 and 12A gives 391. Find the value of A.

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

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

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

Open in App

Solution

The correct option is C 6
We have given that
2 A 5
+1 2 A
3 9 1
So writing both the numbers in expanded form =
2A5 = 200+10 x A + 5
12A = 100 + 20 + A
According to the question =
200 +10A+5 + 100 +20 + A = 391
325+11A = 391
11 A = 391 - 325
11 A = 66
A = 6

Suggest Corrections

Similar questions

$42 A$

$+ 2 A 5 - ------ -$

$A 02$

Find the value of $A$

a = (- 2)

{(2 a)}^{5} \times {(\frac{a}{2})}^{3} \div (a)^{4}

12 a + 6 = 114

Find the value of 'a' satisfying the equation.
a) ${(4^{2})}^{a} = {(7^{a})}^{2}$ .
b) $(2^{a})^{5} = 2^{4} \times 4^{3}$
[4 MARKS]

12 A + 6 A B - ----------- - A 09 - ----------- -

Join BYJU'S Learning Program