Question
Calculate the simplified value of the given expression:
(5 + 13 of 7 - 5.25 of 8 + 63) ÷ 18Solution
(5 + 13 of 7 - 5.25 of 8 + 63) ÷ 18
= (5 + 91 - 5.25 of 8 + 216) ÷ 18
= (96 - 42 + 216) ÷ 18
= 270 ÷ 18
= 15
A box contains 6 red balls, 4 blue balls and 2 yellow balls. Two balls are picked at random. What is the probability that both balls are of the same color?
A black and a red dice are rolled. Find the conditional probability of obtaining a sum greater than 9, given that the black die resulted in a 5.
In a bag contains 4 one rupees coins and 3 five rupees coin. If two coins are drawn at random, find the probability of getting a one rupee coin and a fi...
A bag contains 5 black balls,“a” white balls and “b” purple balls. If one ball taken out from the bag, then probability of being it white is 2/7...
A is trying to break a bulb by throwing balls at it. If he hits the bulb 3 times in every 5 throws and bulb breaks 3 times out of 12 hits, then find the...
- A bag contains ‘x’ blue balls and 9 yellow balls. If the probability of getting a blue ball is 3/4, then find the probability of getting different colo...
A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that the card number is a perfect squ...
A bag contains 6 blue, 9 yellow and 15 white balls. Two balls are randomly drawn from the bag, what is the probability that a blue and a white ball are ...
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...
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...
