Question
The first genetic material on Earth was most
likely:Solution
According to the RNA World Hypothesis, RNA was the first genetic material because it can store genetic information and act as an enzyme.
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 126˚ , then the measure of angle P is:
A cylindrical tank has a radius of 7 meters and a height of 10 meters. How many liters of water can it hold? (1 cubic meter = 1,000 liters)
If the length of the rectangle is increased by 40%, by what percent should the width be reduced to maintain the same area?
The radius of a cylinder is increased by 20%, and its height is decreased by 10%. Find the percentage change in the volume of the cylinder.
Each side of square ‘A’ is 8 cm less than that of square ‘B’. The perimeter of a rectangle is 6 times the difference of the perimeters of the tw...
The ratio of the number of English books to Hindi books in a library shelf is 5:3. If 108 Hindi books are written by Pradeep, which constitutes 36% of t...
The circumference of a circle is equal to the perimeter of a rectangle whose length and breadth are in ratio 7:5, respectively. If the area of the recta...
The ratio of the largest and the smallest angle of a triangle is 3:2. The smallest angle is 80% of the sum of these two angles. What is the sum of the r...
The volume of a rectangular tank is 1680 m³, and the ratio of its length, width, and height is 7:6:5, respectively. What is the length of the rectangul...
In measuring the sides of a rectangle, there is an excess of 14% on one side and 10% deficit on the other. Then the error percent in the area is
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