Q2. A light was seen at intervals of 13 seconds. It was seen for the first time at 1 hr. 54 min 50 secs. a.m. and the last time at 3 hrs. 17 min. 49 secs. a.m. How many times was the light seen?
(a) 360
(b) 375
(c) 378
(d) 384
Q3. The charges of hired car are Rs. 4 per km for the first 60 km, Rs. 5 per km for the next 60 km and Rs. 8 for every 5 km for further journey. If the balance amount left over with Rohit is one-fourth of what he paid towards the charges of the hired car for travelling 320 km, how much money did he have initially with him?
(a) Rs. 1075
(b) Rs. 1255
(c) Rs. 1540
(d) None of these
Q4. One test tube contains some acid and another test tube contains an equal quantity of water. To prepare a solution, 20 grams of the acid is poured into the second test tube. Then, two-thirds of the so-formed solution is poured from the second tube into the first. If the fluid in first test tube is four times that in the second, what quantity of water was taken initially?
(a) 40 grams
(b) 60 grams
(c) 80 grams
(d) 100 grams
(a) 20
(b) 80
(c) 100
(d) 200
Q7. A group of students decided to collect as many paise from each member of the group as is the number of members. If the total collection amounts to Rs. 59.29, then number of members in the group is:
(a) 57
(b) 67
(c) 77
(d) 87
Q8. 10 years ago, the average age of a family of 4 members was 24 years. Two children having been born (with age difference of 2 years), the present average age of the family is the same. The present age of the youngest child is:
(a) 1 year
(b) 2 years
(c) 3 years
(d) 5 years
Q9. The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is:
(a) 20
(b) 21
(c) 22
(d) 23
Q10. The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ratio of the number of boys to the number of girls in the class is:
(a) 1 : 2
(b) 2 : 3
(c) 3 : 4
(d) 3 : 5
Q11. If the digit in the unit’s place of a two-digit number is halved and the digit in the ten’s place is double, the number thus obtained is equal to the number obtained by interchanging the digits. Which of the following is definitely true?
(a) Sum of the digits is a two-digit number
(b) Digit in the unit’s place is twice the digit in the ten’s place
(c) Digits in the unit’s place and the ten’s place are equal
(d) Digit in the unit’s place is half of the digit in the ten’s place
Q12. The sum of four numbers is 64. If you add 3 to the first number, 3 is subtracted from the second number, the third is multiplied by 3 and the fourth is divided by 3, then all the results are equal. What is the difference between the largest and the smallest of the original numbers?
(a) 21
(b) 27
(c) 32
(d) Cannot be determined
Q14. A spider climbed 62.5% of the height of the pole in one hour and in the next hour it covered 12.5% of the remaining height. If the height of the pole is 192 m, the distance climbed in second hour is:
(a) 3 m
(b) 5 m
(c) 7 m
(d) 9 m
Q15. In the month of January, the railway police caught 4000 ticketless travellers. In February, the number rose by 5%. However, due to constant vigil by the Police and the Railway staff, the number reduced by 5% and in April it further reduced by 10%. The total number of ticketless travellers caught in month of April was:
(a) 3125
(b) 3255
(c) 3575
(d) 3591
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