**(31) If A/B = 3/5,then 15A = ? **

** (Ans : 9B)(32) Each side of a rectangle is increased by 100% .By what percentage does the area increase? **

** (Ans : 300%)(33) Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain distance, the front wheel gets 10 revolutions more than the back wheel .What is the distance? **

** Ans : 315 feet(34) Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240 times. How many revolutions will the back wheel take? **

** Ans: 360 times(35) 20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution (Ans: 36%)(36) City A s population is 68000, decreasing at a rate of 80 people per year. City B having population 42000 is increasing at a rate of 120 people per year. In how many years both the cities will have same population? **

** (Ans: 130 years)(37) Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet? **

** (Ans: 3/2 hours)(38) A person wants to buy 3 paise and 5 paise stamps costing exactly one rupee. If he buys which of the following number of stamps he won t able to buy 3 paise stamps. **

** Ans: 9(39) There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls.(40) Which of the following fractions is less than 1/3** (a) 22/62 (b) 15/46 (c) 2/3 (d) 1

** (Ans: (b)**

**(41) There are two circles, one circle is inscribed and another circle is circumscribed over a square. What is the ratio of area of inner to outer circle?**

**Ans: 1 : 2(42) Three types of tea the a,b,c costs Rs. 95/kg,100/kg and70/kg respectively. How many kgs of each should be blended to produce 100 kg of mixture worth Rs.90/kg, given that the quantities of band c are equal** a)70,15,15 b)50,25,25 c)60,20,20 d)40,30,30

** (Ans. (b)(43) In a class, except 18 all are above 50 years.15 are below 50 years of age. How many people are there** (a) 30 (b) 33 (c) 36 (d) none of these.

** (Ans. (d)(44) If a boat is moving in upstream with velocity of 14 km/hr and goes downstream with a velocity of 40 km/hr, then what is the speed of the stream ?** (a) 13 km/hr (b) 26 km/hr (c) 34 km/hr (d) none of these

** (Ans. (a)**

**(45) Find the value of ( 0.75 * 0.75 * 0.75 - 0.001 ) / ( 0.75 * 0.75 - 0.075 + 0.01)**

(a) 0.845 (b) 1.908 (c) 2.312 (d) 0.001

** (Ans. (a)**

**(46) A can have a piece of work done in 8 days, B can work three times faster than the A, C can work five times faster than A. How many days will they take to do the work together ?**

(a) 3 days (b) 8/9 days (c) 4 days (d) can t say

** (Ans. (b)**

**(47) A car travels a certain distance taking 7 hrs in forward journey, during the return journey increased speed 12km/hr takes the times 5 hrs.What is the distancetravelled**

(a) 210 kms (b) 30 kms (c) 20 kms (d) none of these

** (Ans. (b)**

(48) Instead of multiplying a number by 7, the number is divided by 7. What is the percentage of error obtained ?

(49) Find (7x + 4y ) / (x-2y) if x/2y = 3/2 ?

(a) 6 (b) 8 (c) 7 (d) data insufficient

**(Ans. (c)**

**(50) A man buys 12 lts of liquid which contains 20% of the liquid and the rest is water. He then mixes it with 10 lts of another mixture with 30% of liquid.What is the % of water in the new mixture?**

(51) If a man buys 1 lt of milk for Rs.12 and mixes it with 20% water and sells it for Rs.15, then what is the percentage of gain?

(52) Pipe A can fill a tank in 30 mins and Pipe B can fill it in 28 mins.If 3/4th of the tank is filled by Pipe B alone and both are opened, how much time is required by both the pipes to fill the tank completely ?

(53) If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.

(a) 40% (b) 55% (c) 35% (d) 30%

(51) If a man buys 1 lt of milk for Rs.12 and mixes it with 20% water and sells it for Rs.15, then what is the percentage of gain?

(52) Pipe A can fill a tank in 30 mins and Pipe B can fill it in 28 mins.If 3/4th of the tank is filled by Pipe B alone and both are opened, how much time is required by both the pipes to fill the tank completely ?

(53) If on an item a company gives 25% discount, they earn 25% profit. If they now give 10% discount then what is the profit percentage.

** (Ans. (d))**

**(54) A certain number of men can finish a piece of work in 10 days. If however there were 10 men less it will take 10 days more for the work to be finished. How many men were there originally?**

(a) 110 men (b) 130 men (c) 100 men (d) none of these

** (Ans. (a)**

**(55) In simple interest what sum amounts of Rs.1120/- in 4 years and Rs.1200/- in 5 years ?**

(a) Rs. 500 (b) Rs. 600 (c) Rs. 800 (d) Rs. 900

** (Ans. (c)**

**(56) If a sum of money compound annually amounts of thrice itself in 3 years. In how many years will it become 9 times itself.**

(a) 6 (b) 8 (c) 10 (d) 12

** (Ans. (a)**

**(57) Two trains move in the same direction at 50 kmph and 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes by him. What is the length of faster train ?**

(a) 100m (b) 75m (c) 120m (d) 50m

** (Ans. (b)**

**(58) How many mashes are there in 1 squrare meter of wire gauge if each mesh**

is 8mm long and 5mm wide ?

(a) 2500 (b) 25000 (c) 250 (d) 250000

is 8mm long and 5mm wide ?

** (Ans. (b)**

(59) x% of y is y% of ?

(a) x/y (b) 2y (c) x (d) can t be determined

**(Ans. (c)**

**(60) The price of sugar increases by 20%, by what % should a housewife reduce the consumption of sugar so that expenditure on sugar can be same as before ?**

(a) 15% (b) 16.66% (c) 12% (d) 9%

**Ans. (b)**

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