Object Oriented Programming (OOP) Concepts MCQs


Q.  Which Java.Lang contains only static methods?

a. Math ,System
b. Number,Exception
c. There is no such class
d. none


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  In a palace, supplies are available for 35 days for only 75 people. 15 Guests arrive in the palace for vacation on day 1 itself. For how many days will these supplies be sufficient for all these people?
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MCQs:  Suresh keeps all his socks in a single drawer. He has 24 pairs of white socks and 18 pairs of grey socks. Suresh picks 3 socks randomly. Find the possibility of Suresh choosing a matching pair.
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MCQs:  Ramesh can do a work in 15 days. Vijay and Ramesh together do the same work in 10days. They received Rs. 1155 for that work. What is share of Ramesh and Vijay?
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MCQs:  During monsoon clearance sale, Amit buys a shirt at double discount of 20% and 10%. At what price he bought the shirt if marked price was Rs. 1000?
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MCQs:  Profit of Raj while selling a book to Simran is Rs. 63. Despite a discount of 23% on the book Raj manages to get 10% profit. What must be the list price of the book?
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MCQs:  When will be both hands of a clock at right angle, between 8pm and 9pm?
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MCQs:  A is formed by reversing the digits of B. B is 45 less than A. The sum of the digits of B is 9. What is A?
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MCQs:  Square of difference between two numbers is 9 while the sum of squares of those two numbers is 225. What is their product?
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MCQs:  4/7 of 2/3 of 5/6 of 5/8 of 1008 is
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MCQs:  A class eats 2/5 of chocolates on 1st day. On the 2nd day they eat 3/4 of the remainder. How many chocolates were there initially if still 75 chocolates are left?
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MCQs:  The ratio of two numbers is 5 : 6 and their LCM is 480, then their HCF is?
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MCQs:  Manoj wants to paste wallpaper on wall of his room. The wall is 4 meters and 50 cm in length and 3 meters and 50 cm in height. But the wall should be covered completely only by square pieces of wallpaper having same size. What is the number of maximum sized wallpaper squares needed to cover the walls completely?
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MCQs:  What will be fraction form of 0.2365236523652365…?
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MCQs:  Resultant price of mixture of golden rice is Rs. 480 per kg. This mixture is made from two varieties of golden rice which are having price of Rs. 420 per kg and Rs. 520 per kg. What should be ratio of quantities of both types of golden rice?
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MCQs:  In a mixture of 90 L the ratio of acid and water is 2 : 1. If the ratio of acid and water is to be 1 : 2, then the amount of water (in litres) to be added to the mixture is?
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MCQs:  Ratio of profits of P, Q and R are 8 : 7 : 9 respectively. For what ratio of time periods did they invest if investments are in the ratio 3 : 2 : 5 respectively?
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MCQs:  What will be selling price, if cost price is Rs. 120 and gain is 35%?
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MCQs:  A sold a car to B at a profit of 25%. B incurred loss of 15% while selling the same car to C. A spent Rs. 50000 for this car. At what price did C buy it?
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MCQs:  4 members form a group out of total 8 members. (i) In how many ways it is possible to make the group if two particular members must be included. (ii) In how many ways it is possible to make the group if two particular members must not be included?
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MCQs:  The marked price of a watch is Rs. 800. A shopkeeper gives two successive discounts and sells the watch at Rs. 612. If the first discount is 10%, the second discount is
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