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Which one of the following animals was not represented on the terracotta art of the Harappan culture

A) Cow	B) Elephant
C) Rhinoceros	D) Tiger

A) Cow

B) Elephant

C) Rhinoceros

D) Tiger

Answer & Explanation Answer: A) Cow

Explanation:

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Filed Under: Indian History

The denominator of a fraction is 3 more than the numerator. If the numerator as well as the denominator is increased by 4, the fraction becomes 4/5. What was the original fraction ?

A) 7/11	B) 8/11
C) 9/11	D) 10/11

A) 7/11

B) 8/11

C) 9/11

D) 10/11

Answer & Explanation Answer: B) 8/11

Explanation:

Let the numerator be x Then, denominator = x + 3.

Now. (x + 4)/(x + 3) +4 = 4/5 <=> 5 (x + 4) = 4(x + 7)

=> x = 8.

The fraction is 8/11.

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Filed Under: Problems on Numbers

If 50 is subtracted from two-third of a number, the result is equal to sum of 40 and one-fourth of that number. What is the number ?

A) 156	B) 179
C) 198	D) 216

A) 156

B) 179

C) 198

D) 216

Answer & Explanation Answer: D) 216

Explanation:

Let the number be x.

Then, 2/3x-50 = 1/4x +50

=> 5/12x = 90

x = (90 x 12) / 5 = 216

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Filed Under: Problems on Numbers

If 1 is added to the denominator of a traction, the fraction becomes 1/2. If 1 is added to the numerator of the fraction, the fraction becomes 1. The fraction is :

A) 1/3	B) 2/3
C) 4/3	D) 5/3

A) 1/3

B) 2/3

C) 4/3

D) 5/3

Answer & Explanation Answer: B) 2/3

Explanation:

Let the fraction be x/y. Then, x /(y+1) = 1/2

=> 2x - y = 1 ..........(i)and

(x + 1) / y = 1 => x - y = 1 .......(ii)

Solving (i) and (ii), we get : x = 2, y = 3. Hence, the required fraction is 2/3..

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Filed Under: Problems on Numbers

Which track and field star overcame childhood polio to became one of the greatest athlets of her time

A) Wilma Rudolph	B) Gail devers
C) Florence Griffith Joyner	D) Jackie Rrobinson

A) Wilma Rudolph

B) Gail devers

C) Florence Griffith Joyner

D) Jackie Rrobinson

Answer & Explanation Answer: A) Wilma Rudolph

Explanation:

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Filed Under: Sports

What is value of $\frac{P + Q}{P - Q}$ if $\frac{P}{Q} = 7$ ?

A) 1/3	B) 2/3
C) 4/3	D) 5/3

A) 1/3

B) 2/3

C) 4/3

D) 5/3

Answer & Explanation Answer: C) 4/3

Explanation:

$h e n c e P = 7 Q$

$\frac{P + Q}{P - Q} = \frac{7 Q + Q}{7 Q - Q} = \frac{8 Q}{6 Q} = \frac{4}{3}$

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Filed Under: Simplification

If $\frac{a}{b} = \frac{4}{5}$ and $\frac{b}{c} = \frac{15}{16}$ , then $\frac{c^{2} - a^{2}}{c^{2} + a^{2}}$ is :

A) 7/5	B) 7/25
C) 7/125	D) 7

A) 7/5

B) 7/25

C) 7/125

D) 7

Answer & Explanation Answer: B) 7/25

Explanation:

$\frac{a}{b} \times \frac{b}{c} = \frac{4}{5} \times \frac{15}{16} = \frac{3}{4} = \frac{16 - 9}{16 + 9}$

= $\frac{7}{25}$

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Filed Under: Simplification

The difference of $\frac{1}{8}$ and its reciprocal is equal to :

A) 1/8	B) 4/3
C) 15/16	D) 105/304

A) 1/8

B) 4/3

C) 15/16

D) 105/304

Answer & Explanation Answer: D) 105/304

Explanation:

Required difference = 19/16 - 16/19 = 105/304..

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Filed Under: Simplification

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