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The Health Ministry in Peru country, South America has reported more than 11500 cases and 16 deaths due to the dengue outbreak. An emergency has been released which will continue for about 90 days. A significant increase of 72 per cent has been seen since 2022. The emergency was declared on February 23, 2023 in 13 departments operating in the country’s north, southeast and centre. About Peru Capital: Lima Currency: Peruvian sol
If (x – 1/x = 5√2), then find the value of {(x4 + 1/x4 ) ÷ 1351}.
A and B enter into partnership. A invests some money at beginning, B invests thrice the amount after 4 months and C invests double the amount after 8 mo...
Quantity I: A shopkeeper bought an article for Rs. 3000 and marked its price up by 50%. He then gave two successive discounts of 10% and ‘x’%, makin...
What is the value of 8 √ 4 × 16 √ 4?
A sum increases by 40% in 4 years at simple interest. What will be the compound interest on Rs 14000 at the same rate after 3 years?
A cone has a height of 12 cm and a base radius of 5 cm. A sphere with the same volume as the cone is constructed. What is the radius of the sphere?
A shopkeeper marks up the price of an article by 40% on its cost price. He then offers a discount of 10% on the marked price. If the shopkeeper still ma...
If A and B are both symmetric matrices of the same order, then which of the following is necessarily skew-symmetric?