Question
Which of the following microorganisms cannot tolerate
oxygen?Solution
C. botulinum is an obligate anaerobe; oxygen inhibits its growth. S. aureus and E. coli are facultative, while P. roquefortii is aerobic.Â
If the word PHOTOGRAPH is spelt with ‘F’ in place of ‘PH', then what would be the percentage reduction in the number of letters?
A boy is supposed to distribute Rs.2400 among his three friends P, Q and R in the ratio of 4:3:5 respectively, but mistakenly he distributed in the rati...
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.
The volume and height of a cylinder are 2673 cm3 and 10.5 cm. Find the radius of the cylinder.
In the given figure, a circle is inscribed in Δ PQR, such that it touches the sides PQ, QR and RP at points D, E, F, respectively. If the lengths of th...
If the income tax is increased by 14% then net income is reduce by 6%. Find the rate of income tax?
Pankaj gives 15% of her salary to his wife, 5% of the remaining amount to his children and 20% of the remaining to his parents. If Pankaj is left with R...
The length of a rectangle is 8 cm less than the radius of a circle. The perimeter of the rectangle is 60 cm, and the ratio of its length to breadth is 4...
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 125Ëš , then the measure of angle P is:
The perimeter of an equilateral triangle is 36√3 cm. Find its height.