ATQ, 28 X 3 = 84 84 ÷ 2 = 42 42 X 3 = 126 126 ÷ 2 = 63 63 X 3 = 189 Therefore, '63' should come in place of '68'
The profit from sales, amounting to Rs. 4,200, is distributed between two salesmen, 'Amit' and 'Bheem,' in such a way that 'Amit' receives more money th...
A box contains 4 red, 9 green, 5 yellow, and 2 white marbles. If a single marble is chosen at random from the box, what is the probability that it is gr...
The names of 8 students from section A, 9 students from section B and 10 students from section C were selected. The age of all the 27 students was diffe...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
In a lottery, there are 11 prizes and 22 blanks. A lottery is drawn at random. What is the probability of getting a prize?
...19 rotten bananas are accidentally mixed with 136 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
There are (m + 6) red roses, (m + 10) white roses and ‘m’ pink roses in a bag. If the probability of picking a pink rose is 5/23, then find the valu...
Two schools, A and B participate in a Quiz competition. The probability of A’s winning is 3/7 and the probability of B’s winning is 3/5. Wha...
The probability of selecting a rotten egg randomly from a basket of 1000 eggs is 0.16. What is the number of rotten eggs in the basket?
There are thirty balls in my cupboard in complete disarray. Ten are black, ten are red and ten are brown, but I cannot distinguish the colors in the dar...
