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Since, the ball is replaced each time
Therefore, required probability = (25/60) × (15/60) × (20/60) = 5/144
In the series AABABCABCDABCDE...,which letter appears at the 100th place?
How many seconds in total are there in x weeks, x days, x hours, x minutes and x seconds?
In a class. 60% of students are from India and 50% of the students are girls. If 30% of the Indian students' are girls, then what percentage of foreign...
A pie diagram shows the percentage distribution of proteins, water and other dry elements in the human body. Given that proteins correspond to 16% and ...
A boy plays with a ball and he drops it from a height of 1-5 m. Every time the ball hits the ground, it bounces back to attain a height 4/5th of the pr...
You are given two identical sequences in two rows:
Sequence – I :8 4 6 15 52-5 236-25
Se...
Consider two Statement and a Question :
Statement - 1: Priya is 4 ranks below Seema and is 31st from the bottom.
Statement - 2: En...
In a group of 120 persons, 80 are Indians and rest are foreigners. Further, 70 persons in the group can speak English. The number of Indians who can sp...
Using 2, 2, 3, 3, 3 as digits, how many distinct numbers greater than 30000 can be formed?
In an objective type test of 90 questions, 5 marks are allotted for every correct answer and 2 marks are deducted for every wrong answer. After attempt...
