Paper 4: Fundamentals of Business Mathematics & Statistic

2.32 I FUNDAMENTALS OF BUSINESS MATHEMATICS AND STATISTICS

Algebra

4. Using tables find the value of :
   (i) 19.66 ÷9.701 (ii) 0.678 ́ 9.310.0234 (iii)

(^3) (0.06857
(iv) ( )^20

1

1.045 (v)^7

1

1.235. [Ans. (i) 2.027 ; (ii) 261 ; (iii) 0.4093 ; (iv) 0.415 ; (v) 0.9703]

OBJECTIVE QUESTIONS

1. Find the value of log 64 with base 4 [Ans. 3]


2. Find the value of log 125 with base 5 5 [Ans. 2]


3. Find the value of log 144 with base 2 3 [Ans. 4]


4. Show that log (1 + 2 + 3) = log1 + log2 + log3


5. Show that log 2 log 2 log 2 16 = 1


6. Show that log log log 4 2 3 81 = 1


7. If log x + log y = log (x + y) then express x in terms of y. [Ans. y(y 1−)]