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A batsman runs just before the last two matches of the season adds up to 750. In his last two innings, he scores only 6 runs, and his average drops by 2. The final average of the season of batsman is
In an examination, 75% students passed in maths & 80% students passed in chemistry while 12% failed in both subjects. If 134 students passed in both subjects, then the total number of students who appeared inthe examination is
A bag contains 4 white and 2 black balls. Another bag contains 2 white and 4 black balls. If one ball drawn from each bag, the probability of these two balls one beingwhite & other being black is
6 men & 3 women finish a job in 9 days and 3 men and 6 women finish the same job in 12 days. 10 women and 4 men can finishthe same work in
A student scored 88% of 300 marks. Marks obtained in individual subjects indicated in below pie chart. By improving 25% marks in maths his total percentage score on 300 would be
If physiotherapist is related to bones then philatelist is related to
The most nearly opposite in meaning to the word. ‘SUPERCILIOUS’ is
The probability that a teacher will give an unannounced test during any class is 1/5. If a student is absent twice, then probability that misses atleast one test is
Two missiles ‘X’ and ‘Y’ bomb a target in succession. The probabilities of X an Y scoring a hit correctly are 0.3 and 0.2, respectively. The second missile will bomb only if the first misses the target. The probability that the target is hit by the second missile, is
A man travels 300 kms in 13 hours, partly by rail and partly by steamer. If he had gone all the way by rail he would have ended his journey 8 hours sooner, and saved 4/5 of the time he was on steamer. How far did he go by rail?
A, B, C together earn Rs. 1450 and spend 60%, 65% and 70% of their salaries respectively. If their savings are in the ratio 14 : 21 : 15. The salary of B is
A container contains 50 kg of milk. From it 5 kg of milk was taken out and replaced by water. This process was repeated further two times.How much milk (in kg) is now contained in the container.
The total number of zeros at the end of the product of (15 x 25 x 45 x 55 x 125 x 255 x256) is
Common Data Questions: 16 and 17
A husband and wife appear in an interview for two vacancies for same post. The probability of husband is to be selected is 1/5 while the probability that wife is to be selected is 1/7.
Q. Probability that both of them selected is
Common Data Questions: 16 and 17
A husband and wife appear in an interview for two vacancies for same post. The probability of husband is to be selected is 1/5 while the probability that wife is to be selected is 1/7.
Q.Probability that both are rejected
How many twodigit numbers satisfy this property. The last digit (unit’s digit) of the square of the twodigit number is 8?
A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long (in minutes) will it take to go 5 km in stationary water?
27 docs228 tests

27 docs228 tests
