Answer: D) 1 Explanation: By trial and error method from the given options, '1' satisfies the above given equation.

Answer: A) 400 Explanation: Let the total number of pages in the book be 'x'. From given data, 2x/5 + 34x/100 + 52 + 52 = x => 40x + 34x + 10400 = 100x => 26x = 10400 => x = 400. Hence, total pages in the book are 400.

Answer: A) By investing their earnings back into their original investment Explanation:

Answer: B) 21 June Explanation: June 21St has been declared as the "International Yoga Day" by the United Nations General Assembly on December 11, 2014. The declaration came after the call for adoption of this day by Indian Prime Minister Narendra Modi during his address to UN General Assembly on September 27, 2014. 21st June, 2017 is the 3rd International Yoga Day.

Answer: D) All the above Explanation: Nutrients are the substances in food that provide the raw materials and energy the body needs to carry out all its essential processes. There are six groups of nutrients: 1. Carbohydrates. 2. Fats. 3. Proteins. 4. Vitamins. 5. Minerals. 6. Water.

Answer: A) Mukesh Ambani Explanation: Indian business magnate Mukesh Ambani topples Jack Ma as Asia’s richest person as he positions Reliance Industries to disrupt the e-commerce space in India.   The chairman of India’s refining-to-telecoms conglomerate, Ambani was estimated to be worth US$44.3 billion in July 2018 with the share price of Reliance Industries rising 1.6 per cent to a record 1,099.8 rupees (US$16.05), according to Bloomberg Billionaires Index.   Jack Ma’s wealth stood at US$44 billion at the close of trading on the sameday in the US, where the company is listed.

Answer: C) aggregate supply Explanation: Total Output is a synonym for Aggregate supply or Initial production.

Answer: D) Rs. 3250 Explanation: Let the Cost price of the powerbank = Rs. P But given that by selling it at Rs. 1950, it gives a loss of 25% => P x 75100 = 1950=>P = 1950 x 10075 = Rs. 2600Now, to get a profit of 25% Selling Price = 2600 x 125100 = Rs. 3250.