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• 1 . At a special sale, 5 tickets can be purchased for the price of 3 tickets. If 5 tickets are purchased at the sale, the amount saved will be What percent of the original price of the 5 tickets?

• 2 . A pipe can fill a tank in 15hrs. Due to leak in the bottom, it is filled in 20 hrs. If the tank is full, how much time will the leak take to empty it?

• 3 . In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?

• 4 . A certain number of persons agree to subscribe as many rupees each as there are subscribers. The whole subscription is Rs.2582449. Find the number of subscriber?

• 5 . A fruit seller sells mangoes at the rate of Rs.50 for 10 mangoes. For getting a profit of 60%, how many mangoes he would have purchased for Rs.50?

• 6 . Five years ago, the average of Raja and Rani?s ages was 20 yrs. Now the average age of Raja, Rani and Rama is 30 yrs. What will be Rama?s age 10 yrs hence?

• 7 . Two piped A & B can fill a tank in 36 hrs and 45 hrs respectively. If both pipes are opened simultaneously, how much time will be taken to fill the tank?

• 8 . In a family, eleven times the number of children is greater by 12 than twice the square of the number of children. How many children are there in the family?

• 9 . If a light flashes every 6 seconds, how many times will it flash in ? of an hour?

• 10 . A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.

• 11 . If A is travelling at 72 km per hour on a highway. B is travelling at a speed of 25 meters per second on a highway. What is the difference in their speeds in m/sec.

• 12 . If Rs.1260 is divided between between A, B and C in the ratio 2:3:4, what is C's share?

• 13 . The average of 6 numbers is 8. What is the 7th number, so that the average becomes 10?

• 14 . If taxi fares were Rs 1.00 for the first 1/5 mile and Rs 0.20 for each 1/5 miles thereafter. The taxi fare for a 3-mile ride was

• 15 . A and B can finish a work in 16 days, while A alone can do the same work in 24 days. In how many days, B alone can finish the same work?

• 16 . Two taps can fill a tank in 24 minutes and 30 minutes respectively. Both of them are opened together, but the first tap is turned off after 8 minutes. Now find how long would the second tap take to fill the tank.

• 17 . Two pipes A & B can fill a tank in 24 minutes and 36 minutes respectively. If both the pipes are opened simultaneously, the time after which A should be closed so that tank is filled in 18 min would be?

• 18 . A finish the work in 10 days. B is 60% efficient than A. So how many days do B takes to finish the work?

• 19 . Fathers age is 5 times his son's age. 4 years back the father was 9 times older than son.Find the fathers' present age.

• 20 . The average age of 30 kids is 9 years. If the teacher?s age is included, the average age becomes 10 years. What is the teacher?s age?