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IBPS PO 2017 Quantitative aptitude Practice Quiz 39

IBPS EXAM Guru

1 . In a class 40 % of the student offered Math's and 30% offered English, and 20 % offered both. If a student is selected at random, what is the probability that he has offered Math's or English ?

 A.   $3\over2$ B.   $1\over2$ C.   $3\over10$ D.   none of these
2 . Ramesh speaks truth in 60 % cases and Rohan in 70 % cases, in what percent of cases are they likely to contradict each other, narrating the same incident ?

 A.   50 % B.   35 % C.   46 % D.   36 %
3 . In a parliamentary election 20 % votes were declared invalid. 'X' and 'Y' were two candidates, contesting the election. The winning candidate 'X' secures 75 % of valid votes and wins by 165000 votes. Find number of votes secured by 'Y' ?

 A.   412500 B.   42550 C.   82500 D.   17500
4 . If the price of sugar falls down by 10 % by how much per cent must a household increase its consumption, so as not to decrease expenditure ?

 A.   9.09 % B.   11.11 C.   12.11 % D.   13.11 %
5 . A train takes 12 sec. and 14 sec. respectively to cross two men who are walking in same direction at 4 km/hr. and 5 km/hr. Find speed of the train in km/hr. ?

 A.   15 km/hr B.   16 km/hr C.   11 km/hr. D.   14 km/hr
6 .

 A.   80 % B.   70 % C.   90 % D.   95 %
7 . What is the total expenditure of company X in all the years together ?

 A.   Rs 4200 crore B.   Rs 3600 crore C.   Rs 3500 crore D.   Cant be determined
8 . What is the profit earned by company Y in the year 2011 ?

 A.   1.2 crore B.   2 crore C.   3.4 crore D.   Can t be determined
9 . For the company Z in how many years the income is more than the expenditure ?

 A.   1 B.   3 C.   2 D.   none
10 . For the company Y in how many years the expenditure is more than the income ?

 A.   5 B.   6 C.   3 D.   none

1 .
 Answer : Option B Explanation : Students offered Math’s = 40 % = $2\over5$Students offered English = 30 % =$3\over10$Students offered both = 20 % =$1\over5$Students offered both = 20 % =($2\over5$+$3\over10$)==$4+3-2\over10$=$5\over10$=$1\over2$
2 .
 Answer : Option C Explanation : Ramesh speaks truth in 60 % cases. He will speak false in 40 % cases.And same, Rohan speaks truth in 70 % cases.So, he will speak false in 30 % cases.They contradict to each other, means, when one speak true and then other speaks false.Probability = 60 % × 30 % + 70 % × 40 % = 18 % + 28 % = 46 %
3 .
 Answer : Option C Explanation :
4 .
 Answer : Option B Explanation :
5 .
 Answer : Option C Explanation :
6 .
 Answer : Option C Explanation :
7 .
 Answer : Option D Explanation : Can t determine because, It is ratio, and we don t have actual value
8 .
 Answer : Option D Explanation :
9 .
 Answer : Option C Explanation : Only see graph and check it
10 .
 Answer : Option A Explanation :