If A and H are arithmetic and harmonic mean between 2 and 3, then A + H =
In a game show there are 5 prize cards and 20 blank cards. A contestant is asked to choose a card at random. What is the probability that he won a prize?
A.M between 1-x+xΒ² and 1+x-xΒ² is
Sum of first fifteen terms of series 3+19+35+β¦ is
What is the unit digit in 4137^754
What formal charges are present in the molecule C6H5C=N-O? ( all heavy atoms have a valence shell octet, and C6H5- is a phenyl group)
Isotopes of an element contain______
A man of height 1.8 m stands in front of large vertical plane mirror. The distance of the image from the man if he stands at a distance of 1.5 m from the mirror is
By usin prefixes, we can write 335 Γ 10-8 s as
In how many ways can 10 engineers and 4 doctors be seated at a round table if all the 4 doctors do not sit together
U, V, W, X, Y and Z are six police officers, who are parading in two rows, with three in the front row and three in the back row. Each officer in the back row has one officer exactly in the front of him. W and X are at the extreme ends of two different rows. Y is to the right of U and exactly in front of V. If Z is exactly behind W, then which of the following statements is true
If a coin with both heads is tossed, then the probability of obtaining a tail is
In certain code language if the word βFORMATβ is coded as IOUMDT, then how will The word BUSINESS be coded