The value of $\dfrac{1.75×1.75+2×1.75×0.75+0.75×0.75}{1.75 x 1.75- 0.75 x 0.75}$

The value of $16^{3}\div 7^{3}$–$23^{3}$ is

Find the next term of 4 in the series is 1, 1, 2, 8, 3, 27, 4, ...

Three angles of a triangle are x - 30°, x - 45°, x + 15°, find the value of x.

The difference between simple interest and compound interest for a sum of Rs. 12,000 lent
at 10% per annum in 2 years, is

If you stand in a rectangular room, where two adjacent walls are covered with plane
mirrors, the total number of your images will be

Audible range of rabbit is

Why vegetables and fruits turn brown on cutting?

Among the following which one is not a biofertilizer?

Consider the statements :
(a) Sterility is caused by the deficiency of Vitamin K.
(b) Night blindness is caused by the deficiency of Vitamin D.