Questions

If a + b = 17 and a - b = 9 then the value of (4a2 + 4b2) is,

Big landlords or warrior chiefs in the seventh century were acknowledged as _________ by the existing kings?

The northern plain of India is formed of __________________.

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: The incidence and severity of Type B malnutrition will be shown to be worse if newer micronutrient groups such as the essential fatty acids, xanthophylls and flavonoids are included in the surveys.
Q: Commonly ingested levels of these micronutrients seem to be far too low in many developed countries.
R: Many national surveys reveal that malnutrition is common in developed countries.
S: This is not the calorie and/or micronutrient deficiency associated with developing nations (Type A malnutrition); but multiple micronutrient depletion, usually  combined with calorific balance or excess (Type B malnutrition).

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

Which among the following is used to generate light, to weld metals?

Which of the following protects the inner lining of the stomach from the action of the hydrochloric acid under the normal conditions?

Beryl is an ore/mineral of