 Chintu obtained 87.4% in his CBSE board exam having 5 subjects all of equal maximum marks. Chinki obtained 13 marks more than the total marks obtained by Chintu in her state board exams which comprises of 5 subjects but the maximum marks in the state board exam is 20% more than the maximum marks in CBSE board exam. If Chinki gets 75%, find the maximum marks of each subject in the state board exam.
A) 100
B) 120
C) 150
D) 200
E) None of these
 Amit who has to travel from point A to Point B divides his journey into two parts. In the first part he travels from point A to Point C which is at the midpoint between A and B at a speed of 40 kmph. Then he doubles his speed from C to reach point B. After reaching point B, he returns back to point A at an average speed of 40 kmph in 2 hours. The time taken to reach Point B from A is how much less/more than the time taken to reach point A from point B?
A) 30 minutes less
B) 30 minutes more
C) 60 minutes less
D) 60 minutes more
E) None of these
 If a box containing 15 mirrors is dropped, which of the following cannot be the ratio of broken mirrors to unbroken mirrors?
A) 2:3
B) 1:2
C) 1:1
D) 3:2
E) None of these
 A man can row at a speed of 16 kmph in still water to a certain point and back to the starting point in a river which flows at 8 kmph. Find the average speed of total journey.
A) 10 kmph
B) 12 kmph
C) 14.5 kmph
D) 14 kmph
E) None of these
 A new stadium circular in shape has been constructed and has a circumference of 528 meters. The total cost involved in fencing the boundary of the ground at a certain rate and laying grass in the field at a rate of Rs 2/sqmt is Rs 49632. What will be the total cost involved in fencing the boundary and laying grass at the same rate as above in an another newly constructed circular stadium whose radius is 7 meter more than the above stadium?
A) Rs 50,180
B) Rs 53,756
C) Rs 56,982
D) Rs 57,772
E) None of these
 A dishonest dealer marks up his goods by 25% and gives a discount of 10%. He also uses a weight of 950 grams instead of 1 kg. Find is actual profit percentage.
A) 15.52%
B) 16.66%
C) 18.42%
D) 20.21%
E) None of these
 The age of a man is two times the sum of ages of his two sons. Five years hence his age will be 7/5 times the sum of his sonsâ€™ age then. Find the present age of father.
A) 25 years
B) 30 years
C) 35 years
D) 40 years
E) None of these
 Mr. Verma who has an annual salary of Rs 3,60,000 invests his one months salary in an investment scheme with a maturity period of 1 year which pays an interest rate of 5% till Rs 20,000 and 10% on any amount above Rs 20,000. Find the total amount that Mr. Verma will receive after 1 year.
A) Rs 31,500
B) Rs 33,000
C) Rs 32,000
D) Rs 32,500
E) None of these
 Suresh completed 3/4 of the work in 18 days by working at half his actual efficiency. Vinita the wife of Suresh would have taken takes 6 more days to complete the same piece of work than what Suresh takes when he works at his actual efficiency. What is the ratio of actual efficiency of Suresh and Vinita?
A) 5:3
B) 4:3
C) 3:2
D) 5:2
E) None of these
 A bag contains 10 pink balls and some violet balls. If the probability of drawing a violet ball is 3/2 times of the probability of drawing a pink ball, find the number of violet ball in the bag.
A) 10
B) 15
C) 20
D) 24
E) None of these
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Gud
mam…4q ka direct formula 2xy/x+y se nahi hoga??
yes it will be applicable here: here take any one of x or y as D and the other as U and solve
2*24*8/(24+8)=12