• 1 . Find the 20th term of the series 5 + 9 + 13 + 17 + 21 + ...

  • 2 . 1. If a pipe A fills a tank in 10 hours and a pipe B fills it in 15 hours, then the tank will be filled by A and B together in how much time?

  • 3 . The 4th and 9th terms of a G.P are 1/3 and 81 respectively. Find the ratio.

  • 4 . A car travels 12 kms with a 4/5th filled tank.How far will the car travel with 1/3 filled tank?

  • 5 . The diagonal of a square field is 50m. Find the area of the field.

  • 6 . A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?

  • 7 . A finishes the work in 10 days & B in 8 days individually. If A works for only 6 days then how many days should B work to complete A's work?

  • 8 . In a two-dimensional array, X (9, 7), with each element occupying 4 bytes of memory, with the address of the first element X (1, 1) is 3000; find the address of X (8, 5).

  • 9 . t was calculated that 75 men could complete a piece of work in 20 days. When work was scheduled to commence, it was found necessary to send 25 men to another project. How much longer will it take to complete the work?

  • 10 . If a man travels at a speed of 20 km/hr, then reaches his destination late by 15 minutes and if he travels at a speed of 50 km/hr. Then he reaches 15 minutes earlier. How far is his destination?

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

  • 12 . What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal to 1 : 2.

  • 13 . If x/y=4 and y is not '0' what % of x is 2x-y

  • 14 . 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?

  • 15 . With a 4/5 full tank a vehicle can travel 12 miles, how far can it travel with a 1/3 full tank

  • 16 . Four litres of phenol is drawn from a can. It is then filled water. Four litres of mixture is drawn again and the bottle is again filled with water. The quantity of phenol now left in the bottle is to that of water is in the ratio 36:13. How much does the bottle hold?

  • 17 . 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.

  • 18 . A bus started from bustand at 8.00am, and after staying for 30 minutes at a destination, it returned back to the busstand. The destination is 27 miles from the busstand. The speed of the bus is 18mph. During the return journey bus travels with 50% faster speed.At what time does it return to the busstand?

  • 19 . The sum of a certain number and its square root is 90. Find the number.

  • 20 . If a shopkeeper sells an item for Rs.141, he loses 6%. In order to gain 10%, to what price he should sell?