Topics

# Which of the following is equal to $$\Large 3^4.3^3$$?

 A) $$\Large 3^{7}$$ B) $$\Large 3^{12}$$ C) $$\Large 6^{7}$$ D) $$\Large 9^{12}$$

 A) $$\Large 3^{7}$$

Description for Correct answer:

We know , $$\Large a^x.a^y = a^{x+y}$$

= > $$\Large 3^4.3^3 = 3^{4+3} = 3^7$$

Part of solved Number System questions and answers : >> Aptitude >> Number System

Similar Questions
1). Value of $$\Large \left( \frac{2^{-3}}{5} \right) ^{-2}$$ is
 A). $$\Large \frac{1}{1600}$$ B). 1600 C). $$\Large \frac{1}{40}$$ D). 40
2). If $$\Large x^{-2/3}$$ = $$\Large \frac{1}{4}$$ and x is a positive whole number, then the value of 2x is
 A). 8 B). 16 C). 24 D). 32
3). If $$x^2$$ = 64 and $$y^2$$ = 49, then difference between greatest possible value of (x - y) and least possible value of (x + y) is
 A). 0 B). 10 C). 15 D). 30
4). No square of a number ends with
 A). 2,3,7 and 8 B). 3,5,6 and 8 C). 2,5,7 and 9 D). 2,3,7 and 9
5). If $$4^2 + 5^2 +x^2 = 21^2$$, then the value of x is
 A). 9 B). 12 C). 15 D). 20

6). The students of a class donated Rs.2401 Each student donated as many rupees as the number of students in the class, then the number of students in the class is
 A). 25 B). 49 C). 81 D). 119
8). Value of $$\Large\left[ \left( 24^2 + 7^2 \right)^{1/2} \right] ^3$$ is
10). For what value of x, $$\Large 3^{3x - 5} = \frac{1}{9^x}$$?