4.
**If A saves 25% of his income. What is the ratio of the savings of A, B and C respectively? **

7.
**Find the average of first 85 natural numbers.**

8.
**A Student obtained equal marks in Maths and Science. The ratio of marks in Science and Social is 2:3 and the ratio of marks in Maths and English is 1 : 2. If he has scored an aggregate of 55% marks. The maximum marks in each subject is same. In how many subjects did he score greater than 50% marks?**

14.
**In covering a certain distance, the speeds of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is :**

16.
**A and B are two partners and they have invested Rs. 54,000 and Rs. 90,000 in business. After one year A received Rs 1200 as his share of profit out of total profit of Rs. 4200 including his certain commission on total profit since he is a working partner and rest profit is received by B. What is the commission of A as a percentage of the total profit?**

18.
**In covering a certain distance, the speeds of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is :**

19.
** A boat takes 90 minutes less to travel 36 km downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 km/h, the speed of the stream is:**

20.
**Two trains P and Q are separated by 220 km on a straight line. One train starts at 8 am from one station A towards B at 40 km/hr and another train starts from B towards A at 9 am at 60 km/hr. At what time will both train will meet?**

21.
**Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kg of fresh fruits ?**

22.
**Pipes A and B can fill a tank in 10 and 12 hours respectively. Pipe C can empty it in 20 hours. If all the three pipes are opened together, then the tank will be filled in (in hours):**

25.
**Sharma takes 5 hours to type 5 pages while Swetha takes 4 hours to type 80 pages. How much time will they take working together on different computer to type an assignment of 150 pages.**

26.
**A Salesman charges sales tax of x% upto Rs.2,000 and above it he charges y%. A customer pays total tax of Rs 320, when he purchases the goods worth Rs. 6,000 and he pay’s the total tax of Rs. 680 for the goods worth Rs. 12,000. The value of x and y is:**

27.
**X takes 4 days to complete one-third of a job. Y takes 3 days to complete one-sixth of the job and Z takes 5 days to complete half the job. If all of them work together for 3 days and X and Z quit, how long will it take for Y to complete the remaining work done.**

33.
**When 20 is added to the numerator and denominator, then the new ratio of numerator to denominator becomes 7:8. What is the original ratio?**

34.
**In a class, the number of girls is 30% more than that of the boys. The strength of the class is 92. If 8 more girls are admitted to the class, the ratio of the number of boys to that of the girls is ?**

35.
**Two pipes A and B when working alone can fill a tank in 36 min. and 45 min. respectively. A waste pipe C can empty the tank in 30 min. First A and B are opened. After 7 min., C is also opened. In how much time (in mins) will the tank be full ?**

36.
**On a road three consecutive traffic lights change after 40, 48 and 56 seconds respectively. If the lights are first switched on at 10:00 AM sharp, at what time will they change simultaneously?**

38.
**Rs 3440 is divided, among A, B, C and D such that B’s share is 6/11th of A’s; C’s share is 1/4th of B’s and D has 2/5th as much as B and C together. Find A’s share**

40.
**A number, x equals 80% of the average of 5, 7, 14 and a number y. If the average of x and y is 26, then value of y is**

43.
**The average temperature for Wednesday, Thursday and Friday was 42 Deg c. The average for Thursday, Friday and Saturday was 43 Deg c. If temperature on Saturday was 44 Deg c, what was the temperature on Wednesday?**

45.
**If a 36 inches long strip cloth shrinks to 33 inches after being washed, how many inches long will the same strip remain after washing if it were 48 inches long?**

51.
**Find the least number of five digits which when divided by 40, 60, and 75, leave remainders 31, 51 and 66 respectively.**