Sum of weights of 16 persons = 37 × 16 = 592 kg Sum of weights of 17 persons = (37 + 4) × 17 = 697 kg Weight of new person = 697 – 592 = 105 kg
Suppose p and q be two real functions continuous at a real number t. Then which of the following is true
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
A vessel contains 5 red, ‘x’ green and 3 blue ribbons. If two ribbons are drawn from the vessel randomly, then the probability of getting a red and ...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
A box contains 13 black and 13 white balls. The probability of drawing two balls of the same colour is?
In a lottery there are 5 prizes and 50 blanks. A lottery is drawn at random. What is the probability of getting the prize?
...Two hats are picked at random, what is the probability that one is blue and one is yellow?
30 pens are there in a box where 9 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue...
A bag contains 30 white and some black balls. If the probability of drawing a black ball from the bag is 1.4 times that of drawing a white ball, find th...
24 pens are there in a box where 10 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blu...
