Question
What is the percentage of proteins in the cell
membrane?Solution
The correct answer is D
Let sinA+ sinB = a and cosA+ cosB = b, then the value of a² + b² = ?
Prove the identity: tan² θ + 1 = sec² θ
If the sum of remainders, obtained on dividing 52436 by 22 and 59461 by 73, is divided by 13, then the remainder will be:
From a point 30 m away from the base of a building, the angle of elevation to the top of the building is 60°. Find the height of the building.
In a triangle, the inradius is 6 cm, the circumradius is 9 cm, and the area is 54 cm². What is the semiperimeter of the triangle?Â
A boat can cover 70 km in still water and 72 km in downstream in 4 hours and 3 hours respectively. Find the time taken by the boat to cover 66 km upstre...
A principal of ₹5000 is invested at a simple interest rate of 8% per annum. What will be the interest earned after 3 years?
'Arjuna' and 'Bishnu' began running in opposite directions on a circular track of 1200 metres at the same time. If 'Arjuna', who ...
A person who spends 55% of his salary saves the remainder. His salary goes up by 15%, but his savings stay the same, and he now spends Rs. 3,300 more. D...
A merchant has two types of sugar. Type A costs 50 per kg, and Type B costs 70 per kg. In what ratio should the two types be mixed to get a mixture that...