Questions

What causes the mottling of the dental enamel ?

If x stands for addition, / stands for subtraction, + stands for multiplication and - stands for division, then what is the value of 20 x 8 / 8 - 4 + 2 ?

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

The salary of a person is reduced by 20% . To restore the previous salary, his present salary is to be increased by

In the following question, select the missing number from the given series.34, 69, 140, 283, ?, 1145

If the length of the shadow of a vertical pole be √3 times the height of the pole, the angle of elevation of the sun is:­

Saint Kabir was the disciple of whom?

If 1 x 3 x 5 = 1925 and 7 x 9 x 11 = 4981121 , then find the value of 19 x 21 x 23 = ?