Q1. The monthly expenses in a boarding house are partly fixed and partly a multiple of the
number of boarders. It is Rs. 78660 and Rs 94884 when the numbers of borders are 62 and 75
respectively. What is the monthly expense (in Rs) when the number of borders is 80?
Q4. At an election between two candidates A and B, all the eligible candidates had voted, but
4% of votes were not valid. A, the winner got support from 52% of the voters and defeated B by
600 votes. What was the total number of votes?
Q6. The average speed of X always turns out to be 150% that of Y, who can travel 20 km in 3 hr
36 min. If X sets on a journey of 150 km and stops for half an hour each at two stages in
between, what will be the total time (in hours) he had been on move?
All the answer options are wrong.
Q7. The radius of a solid sphere and a solid right circular cone are equal and the height of the
cone is equal to the diameter of its base. They are melted and the combined matter is recast
into a solid hemisphere. What is the ratio of the radius of the hemisphere to that of the circle?
B. (√3) ^1/3
C. (√6) ^1/3
D. (√2) ^1/3
Q9. The average rainfall (in mm) in a city during the months, March to October, of a year
calculated over a period of ten years is presented in a tabular form below.
What is the ratio of the average rainfall for the months having three-figure data to that of the
same for the rest?
A. 66 : 25
B. 264 : 25
C. 132 : 25
D. 99 : 50
Q12. A rural library created lending facilities for only 100 books and kept the lending desk open
only on Mondays, which were the days on which it is also took stock of the books. The position
of the number of the books lent (L) and returned(R) on the first three Mondays (M1,M2,M3) of
operation in the lending desk is presented through a bar graph below.
How many of these 100 books remained outside the library after stock checking on the third
Q13. In a factory, the coefficients of variation of the wages of urban and rural workers are 52%
and 66% respectively and their standard deviations are 2600 and 2640 respectively. If 60% of
the workers are urban, what is the overall average wage (in Rs) of the workers?