If the first day of the year 1991 was Tuesday. What day of the week must have been on 1st January, 1998?

Today is Tuesday. After 62 days it will be

In a division sum, quotient is 403, divisor is 100 and remainder is 58. Then dividend will be

The largest natural number by which the product of three consecutive even natural numbers is always divisible is

Mica is used in an electric iron because it is a

The carbon filament is invented by

The blue colour of sky is due to the phenomenon of

If the doors of a refrigerator are left open for a few hours, the room temperature will____?

Where should an object be placed so that a real and inverted image of the same size is obtained using a convex lens?

The bases of cooking vessels are painted ___ in order to absorb more heat.

Photoelectric effect was discovered by