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Q:

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

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

Q:

First tuesday of may is observed as

A) Global family Day	B) World Asthma Day
C) World Immunization Day	D) International Human Solidarity Day

Answer & Explanation Answer: B) World Asthma Day

Explanation:

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Filed Under: Important Days and Years

Q:

When is International Day of Non-Violence,recognized by the UN,observed on M.K.Gandhi's birthday is observed

A) December 11	B) November 29
C) October 2	D) Second wednesday of october

Answer & Explanation Answer: C) October 2

Explanation:

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Filed Under: Important Days and Years

Q:

October 24 is observed as

A) World Vegetarian Day	B) United Nations Day
C) World Immunization Day	D) World Environment Day

Answer & Explanation Answer: B) United Nations Day

Explanation:

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Filed Under: Important Days and Years

Q:

If a * b = 2a - 3b + ab, then 3 * 5 + 5 * 3 is equal to :

A) 22	B) 23
C) 24	D) 25

Answer & Explanation Answer: A) 22

Explanation:

3 * 5 + 5 * 3 = (2 * 3 - 3 * 5 + 3 * 5) + ( 2 * 5 - 3 * 3 + 5 * 3)

= (6 + 10 - 9 + 15) = 22.

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Q:

The United Nations declared 1990's-2000 as the International Decade for

A) Water for Life Decade	B) Bone and Joint Decade
C) Second International Decade for the Eradication of colonialism	D) International Decade for Natural Disaster Rreduction

Answer & Explanation Answer: D) International Decade for Natural Disaster Rreduction

Explanation:

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Filed Under: Important Days and Years

Q:

Which of the following decade is celebrated as United Nations Decade for Women

A) 1997-2006	B) 2001-2010
C) 1976-1985	D) 2003-2012

Answer & Explanation Answer: C) 1976-1985

Explanation:

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Filed Under: Honours and Awards

Q:

By how much is three-fifth of 350 greater than four-seventh of 210 ?

A) 90	B) 100
C) 110	D) 120

Answer & Explanation Answer: A) 90

Explanation:

3/5 of 350 - 4/7 of 210 = 210 - 120 = 90.

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Filed Under: Simplification

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