uma

A class consists of 50 students, 20 of them are girls and boys, 10 them are rich and remaining poor, 5 of them are fair complxioned, 3 are intelligent. What is the probability of selecting a fair complexioned rich intelligient girl?

How to calculate [Co3+] in equilbrium with [co(NH3)6]3+ when 10.0 g of Co (No3)3 is dissolved in 250.0 mL of 1.00 M NH3?

A round scar of area 'A' is formed on the chest of a man of temperature 37C. The rate of heat radiated from this scar is 1% more than that from the remaining part of the body. What will be the excess temperature at this scar over other parts of the body?

Find the angle between the lines between the lines whose direction cosines satisfy the equations l + m + n = 0 and 2mn + 3nl - 5lm =0.

A circular wire of radius R carries a total charge Q distributed uniformly over its circumference. A small length of wire subtending angle teta at the centre is cut off. Find the electric field at the centre due to the remaining portion

A charged particle of mass m of 1 kg and charge q = 2 uC is thrown from a horizontal ground at an angle teta = 45 degree with speed 20 m/s. In space a horizontal electric field E = 2 x 10^7 V/m exist. Find the range on horizontal ground of the projectile...

If the lengths of a pair of opposite sides of a square were tripled and the other pair were each increased by 7 cm,the new figure would be rectangle with a perimeter 96 cm find the dimensions of the original square

A body starts from rest, the ratio of distances travelled by the body during 3rd and 4th seconds is -

solve the proportion 6/4=y/6 ​(Type the value of y. Simplify your answer. Type an​ integer, proper​ fraction, or mixed​ number.)

A plain old physician I was, till I completed my PG. Now I am allowed to enter the operation theatre, take a scalpel, work with a surgical blade and suture the patient. This makes me a.....?

Each can of paint will cover 450 tiles. Augustin is painting 300 tiles in his bathroom, 675 in his kitchen, and 100 in his hallway. How many cans of paint does he need to buy?

0.2

8 - 2x