In a test consisting of 15 questions, 3 marks are awarded for a correct answer, 1 mark is deducted for an incorrect answer and no mark is awarded for an unattempted question. If a student attempts at least one question in the paper, what is the number of distinct scores that he can get?
a 57
b 58
c 59
d None of these
what is minimum value of:x^8 - 18x^6 + 88x^4 - 42x^3 + 67x^2 - 24x +37
Given equation: (a^2 - b^2)x^2 - 4xyab - (a^2-b^2)y^2 = 1 . How many quadruplets (a,b,x,y) satisfy equation.? a,b,x,y are all integers..
a)1 b)8 c)16 d) infinite
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lease solve the question in the attachment puys
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What would be remainder when N is divided by 23, where N=1313131313......... a 800 digits number
Remainder when 5353535353......(100 times) is divided by 102 ?
geometry questn attached here
3 candidates A,B,C contest an election. A gets at least 40% of all the votes, B gets at least 20 % of votes that A gets and can't get more than 80% of votes that C gets. Find the maximum percentage of votes that A can get.
60% of the students of a class are boys and in an examination , 80% of the girls scored more than 40 marks( out of a maximum of 150 marks )If 60% of the total students scored more than 40 marks in the same examination , find the fraction of boys who score more than 40 marks or less.
In a right angle triangle ABC, A = 50°, B = 90°. AQ is angular bisector of A. P is the feet of perpendicular from Q on AC. Find angle BPQ.
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from 3 different soft drinks, 4 chinese dishes and 2 ice creams, how many different meals are possible if atleast one of each of three items is to be included, depending upon the number of people likely to turn up?
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A number 1568X35Y is divisible by 88. What are X and Y. How to solve this?
a person wishes to throw as many different parties as he can out of his 37 friends such that each party consist of same number of persons. the number of friends he should invite at a time is..?
A shopkeeper increases the price of an article by X% and then decreases it by X%. As a result the price of the article is reduced by Rs. 400 and the whole process is repeated once more and the price of the calculator becomes Rs. 1764. Find the value of X?
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A Fantastic number is defined as a number which can be written as a sum of three of its factors. Eg: 12 =6+4+2; How many 2 digit fantastic numbers are there?
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In a survey, it was found that , of the 150 people surveyed, 90 read sports magazine , 80 read business magazine and 70 read political magazines. Each of the surveyed persons reads atleast one magazine . what is the maximum number of people who read sports magazine only ?