Hey..!!

- Level 0
- 0

Attempts - 0 %

Accuracy -

share

Black colored objects reflect

Statements:All red are white.Some black are red.No white is blue.Conclusions:I. Some white are black.II. Some black are blue.III. No red is blue.IV. No white is black

Three boxes contain respectively 3 white and 1 black, 2 white and 2 black, 1 white and 3 black balls, from each of the boxes one ball is drawn at random. The probability that 2 white and 1 black ball

A bag contains 20 balls out of which x are black. If 10 more black balls are put in the box, the probability of drawing a black ball is double of what it was before. The value of x is

A person ordered 5 pairs of black socks and some pairs of brown socks. The price of a black pair was thrice that of a brown pair while preparing the bill the bill clerk inter-changed the number of bla

In\na dark room with ambient temperature T0, a black body is kept at a temperature T. Keeping the temperature of the black body constant (at T), sunrays are allowed to fall on the black body through a

In\na dark room with ambient temperature T0,\na black body is kept at a temperature T. Keeping the\n\ntemperature\nof the black body constant (at T), sunrays are allowed to fall on the black\nbody thr