Explanation
German Silver is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc
Explanation
Sir Isaac Pitman belonged to the UK, he was a teacher of the English language who developed the most widely used system of shorthand , known now as Pitman shorthand.
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Answer: A The proportion in the sea is decreasing . Seawater is denser than river water, so ships suffer more damage.
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Answer: C Forests and trees contribute significantly to food security by helping maintain the environmental conditions required for agricultural production. They stabilize the soil, prevent erosion, increase the water storage capacity of the soil, and reduce air temperature and soil temperature .
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Qutub-ud-din Aibak died in an accident while he was playing polo. He fell from a horse and was severely injured He Died on 14 November 1210 (aged 60) in Lahore Burial in Anarkali Bazaar, Lahore He was born in 1150 in Turkestan Additional information: Qutub-ud-din Aibak established the first independent Turkish Kingdom in India . The first Islamic state was founded in 1206 by Qutb-ud-din Aibak He became the first Sultan of Delhi from 1206 to 1210. After Muhammad Ghori's assassination in 1206. He established the Delhi Sultanate (1206–1526), And started the Mamluk Dynasty or Salve Dynasty.
Explanation
Answer: MISPRIZE: Do not value (something); underestimate. Devalue: Do not value (something); underestimate. Erroneous: incorrect, wrong Covet: desire, want, or wish Despise: or deep disgust, hate
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Supervene: To occur as an interruption or change to an existing situation. Interfere: To intervene in a situation without invitation or necessity .
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Answer: c FERVID: Very enthusiastic or passionate, especially overkill. Ardent: Very enthusiastic or passionate, especially overkill. Difficult: Hard to carry, or Hard Obstinate: Despite trying to convince you to change it, we stubbornly refuse to change your mind or the course of action you choose. Very difficult to change Delightful: Very charming or pleasant
Explanation
Answer: C ERSATZ: Manufactured or used as an alternative to others (of the product) and is usually inferior. Artificial: Manufactured or used as an alternative to others (of the product) and is usually inferior. Chaotic: In a condition of entire confusion and disorder. Impromptu: Without planning, organizing, rehearsals Vague: an indefinite, uncertain, or unclear thing, character, or meaning
Explanation
Answer: D Let the number be x 41 ×31 ×52 ×x=15 Here x=15×30=450 So, 40% of 450 is =40/100×450 =180
