
Q.1 +4 1A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?

Q.2 +4 1X men can do a work in 120 days. If there were 20 men less, the work would have taken 60 days more. What is the value of X?

Q.3 +4 1A car covers a distance of 624 km in 6 ½ hours. Find its speed?

Q.4 +4 1The volume of a cube is 1728 cc. Find its surface.

Q.5 +4 1125 liters of a mixture of milk and water contains in the ratio 3:2. How much water should now be added so that the ratio of milk and water becomes 3:4?

Q.6 +4 1When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction?

Q.7 +4 1Find the greatest number which, while dividing 19, 83 and 67, gives a remainder of 3 in each case?

Q.8 +4 1Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?

Q.9 +4 1A, B and C can do a work in 7 , 14 and 21 days respectively. They completed the work and got Rs.242. What is the share of C?

Q.10 +4 1A 300 meter long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?

Q.11 +4 1On the independence day, bananas were be equally distributed among the children in a school so that each child would get two bananas. On the particular day 360 children were absent and as a result each child got two extra bananas. Find the actual number of children in the school?

Q.12 +4 1Eight men, ten women and six boys together can complete a piece of work in eight days. In how many days can 20 women complete the same work if 20 men can complete it in 12 days?

Q.13 +4 1In finding the HCF of two numbers, the last divisor was 41 and the successive quotients, starting from the first, where 2, 4 and 2. The numbers are?

Q.14 +4 1Two trains of length 100 m and 200 m are 100 m apart. They start moving towards each other on parallel tracks, at speeds 54 kmph and 72 kmph. After how much time will the trains meet?

Q.15 +4 1In what ratio should a variety of rice costing Rs. 6 per kg be mixed with another variety of rice costing Rs. 8.75 per kg to obtain a mixture costing Rs. 7.50 per kg?

Q.16 +4 1The L.C.M of 2^{3} * 3^{2} * 5 and 3^{3} * 5^{2} * 2^{3} is.

Q.17 +4 1If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?

Q.18 +4 1After 38 liters of petrol were poured into the tank, it was still 5% empty. How much petrol must be poured into the tank in order to fill it?

Q.19 +4 1An article is bought for Rs.675 and sold for Rs.900, find the gain percent?

Q.20 +4 1The greatest number of four digits that have 144 for their HCF is?

Q.21 +4 1In a class of 140 students, 60% of them passed. By what percent is the number of students who passed more than the number of failed students?

Q.22 +4 1If the sum of two numbers is 55 and the H.C.F and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocal of the numbers is equal to:

Q.23 +4 1I. a2  13a + 42 = 0, II. b2  15b + 56 = 0 to solve both the equations to find the values of a and b?

Q.24 +4 1The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager's salary is added, then the average salary increases by Rs. 100. What is the manager's monthly salary?

Q.25 +4 1In a can, there is a mixture of milk and water in the ratio 4 : 5. If it is filled with an additional 8 litres of milk the can would be full and ratio of milk and water would become 6 : 5. Find the capacity of the can?
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