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Shiva Shankari

· started a discussion

· 1 Months ago

explanation (Question:217134.2)

please explain me clearly

Question:
DIRECTIONS: What will come in place of the question mark (?) in the following questions?

92/3 × 7294/3 × 65611/3 × 81 = 9?

Options:
A)

4

B) 5
C) 2
D) 3
E) None of these
Solution:
Ans: (e) 92/3 × 7294/3 × 65611/3 × 81 = 9?

92/3 × (93)4/3 × (94)1/3 × 92 = 9?

92/3 + 4 + 4/3 + 2 = 9?

98 = 9?

? = 8

Knowledge Expert

· commented

· 1 Months ago

Dear student
Given answer is correct.
We have just followed the exponent rule
Product rules=a^n ⋅ a^m = a^(n+m)

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