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Q:

If $A = \frac{l o g_{3} (2187)}{5}$ and $B = l o g_{243} (2187)$ , then which one of the following is correct?

A) A	B) A=B
C) A>B	D) can't be determined

Answer & Explanation Answer: B) A=B

Explanation:

Given $A = \frac{\log_{3} (2187)}{5} a n d B = \log_{243} (2187)$

$B = \log_{3^{5}} (2187) = \frac{\log_{3} (2187)}{5}$

=> A

Therefore, A = B

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Filed Under: Logarithms
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Q:

If a, b, c be the $p^{t h}, q^{t h} a n d r^{t h}$ terms of a GP then the value of (q-r) log a + (r-p) log b + (p-q) log c is :

A) 0	B) 1
C) -1	D) pqr

Answer & Explanation Answer: A) 0

Explanation:

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Q:

If $\frac{\log x}{l + m - 2 n} = \frac{\log y}{m + n - 2 l} = \frac{\log z}{n + l - 2 m}$ , then xyz is equal to

A) 0	B) 1
C) lmn	D) 2

Answer & Explanation Answer: B) 1

Explanation:

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Filed Under: Logarithms

Q:

Find the logarithm of 144 to the base $2 \sqrt{3}$ :

A) 2	B) 4
C) 8	D) None of these

Answer & Explanation Answer: B) 4

Explanation:

$\log_{2 \sqrt{3}} (144) = 4$

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Filed Under: Logarithms
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Q:

Hitler launched Operation Barbarossa in 1941 against the

Answer

Soviet Union

Workspace

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Subject: World History

Q:

Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

A) Golf tee	B) Motorboat
C) Water skis	D) Hang glider

Answer & Explanation Answer: C) Water skis

Explanation:

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Filed Under: Inventions

Q:

What treat was invented by 11-year-old Frank Epperson in 1905?

A) Popsicle	B) Banana split
C) Cotton candy	D) Cracker Jacks

Answer & Explanation Answer: A) Popsicle

Explanation:

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Filed Under: Inventions

Q:

What plaything was invented by Joe McVicker in 1956?

A) Silly Putty	B) Etch-A-Sketch
C) Lite-Brite	D) Play-Doh

Answer & Explanation Answer: D) Play-Doh

Explanation:

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Filed Under: Inventions

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