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One number is wrong in the following number series given in each of the following questions. You have to identity that number and assuming that a new series starts with that number following the same logic as in the given series, what will be the third number in the new series?
3 5 12 38 154 914 4634Topic: UPSC Exam
What should come in place of the question mark (?) in the following number series?
7 35 210 ? 6300 31500Topic: UPSC Exam
Directions: Below question consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read the question and both the statements and give the answer.
What is the salary of X?
I. He spends 13% on insurance premium, 5% on medicines and 14% on rest expenses.
II. Even after spending of 32% of his salary, he is able to save Rs.4080Topic: UPSC Exam
Two dice are tossed. The probability that a total score is a prime number is:?Topic: UPSC Exam
A dice is rolled three times and a sum of three numbers appearing on the uppermost face is 15. What is the chance that the first roll was four?Topic: UPSC Exam
A deck of 52 cards is taken. From this, 4 cards are to be chosen such that exactly two of them are hearts and exactly two of them are kings. In how many ways can this be done?Topic: UPSC Exam
In a four-digit number, the first digit is greatest and the last digit is smallest. Sum of middle two digits is even. How many such four-digit numbers, having all digits different, can be there if the first digit is 9?Topic: UPSC Exam
The number of ways in which 20 different flowers of two colors can be set alternately on a necklace, there being 10 flowers of each color, isTopic: UPSC Exam
A man has to travel from Allahabad to Lucknow and then from Lucknow to Kolkata. If there are 5 routes from Allahabad to Lucknow and 4 routes to go from Lucknow to Kolkata, then how many options are available for the man to travel from Allahabad to Kolkata via Lucknow?Topic: UPSC Exam
In how many ways we can arrange the letters of the word “ARRAGEET”?Topic: UPSC Exam
3 Girls and 4 boys are to be seated in a row on 7 chairs in such a way that all the three girls always sit together. In how many different ways can it be done?Topic: UPSC Exam
A circular ring has an inner radius of 10 cm and outer radius of 20 cm. A point P is taken on its inner boundary and a point Q is taken on its outer boundary such that P, Q, and center of a ring are collinear. Another point R is taken on the outer boundary such that PR = 2PQ. With PR as radius, a sphere is formed. What will be the volume of the sphere (in cubic cm)?Topic: UPSC Exam
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